User Manual – Basic Functions
UMFLUXUS_F721BV1-1EN
Ultrasonic Flowmeterfor Liquids
FLUXUS F721**-NNN*S
FLUXUS F721**-A20*S
FLUXUS F721**-F20*S
FLUXUS F721**-NNN*A
FLUXUS is a registered trademark of FLEXIM GmbH..
FLEXIM GmbH
Wolfener Strasse 36
12681 Berlin
Germany
Tel.: +49 (30) 936 67 660
Fax: +49 (30) 936 67 680
E-mail: [email protected]
www.flexim.com
User manual for
FLUXUS F721
UMFLUXUSF721BV1-1EN, 2017-01-23
Copyright (©) FLEXIM GmbH 2017
Subject to change without notification.
FLUXUS F721
Die Sprache, in der die Anzeigen auf dem Messumformer erscheinen, kann eingestellt werden:
• im Menüpunkt Language (siehe Abschnitt 7.4)
• über einen HotCode (siehe Bedienungsanleitung – Erweiterte Funktionen, Abschnitt 9.7)
The transmitter can be operated in the language of your choice:
• in the menu item Language (see section 7.4)
• via HotCode (see User Manual – Advanced Functions, section 9.7)
UMFLUXUSF721BV1-1EN, 2017-01-23
FLUXUS F721
UMFLUXUSF721BV1-1EN, 2017-01-23
Table of Contents FLUXUS F721
Table of Contents
1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
2 Safety Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
2.1 General Safety Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8
2.2 Intended Use . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8
2.3 Not Intended Use. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9
2.4 Safety Instructions for the User . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9
2.5 Safety Instructions for the Operator. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9
2.6 Safety Instructions for Electrical Work. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9
2.7 Safety Instructions for Transport . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10
2.8 Recommended Procedure in Hazardous Situations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10
2.9 Recommended Maintenance Intervals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10
3 Handling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
3.1 First Inspection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11
3.2 General Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11
3.3 Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11
4 Handling Concept . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
4.1 Display. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13
4.2 Keyboard . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13
5 Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
5.1 Transmitter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15
5.2 Transducers. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19
5.3 Temperature Probes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .38
6 Connection to the Transmitter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
6.1 Transducers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .40
6.2 Sensor Module (SENSPROM) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .53
6.3 Power Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .54
6.4 Outputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .55
6.5 Inputs. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .57
6.6 Temperature Sensor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .59
7 Start-up of the Transmitter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
7.1 Switching On . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .63
7.2 Operation State Indication . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .63
7.3 Program Branches. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .64
7.4 Language Selection. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .64
7.5 Initialization . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .65
7.6 Time and Date . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .65
7.7 Instrument Information. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .65
8 Measurement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66
8.1 Parameter Input. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .66
8.2 Measurement Settings. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .71
8.3 Start Measurement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .80
8.4 Displaying the Measured Values . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .82
8.5 Display Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .84
8.6 Display the Measured Values again . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .84
8.7 Execute Special Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .85
8.8 Stop Measurement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .85
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FLUXUS F721 Table of Contents
9 Data Logger . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 86
9.1 Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 86
9.2 Data Logger Info . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89
9.3 Delete Data Logger. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89
10 Transmission of Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90
10.1 Interfaces of the Transmitter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90
10.2 Store Data. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91
11 Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 92
11.1 Problems with the Measurement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 92
11.2 Selection of the Measuring Point . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93
11.3 Maximum Acoustic Contact . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93
11.4 Application Specific Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93
11.5 Large Deviations of the Measured Values . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 94
11.6 Problems with the Totalizers. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 94
11.7 Problems During the Heat Flow Measurement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 94
Annex
A Menu Structure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 95
B Conformity Declarations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 113
6 UMFLUXUSF721BV1-1EN, 2017-01-23
1 Introduction FLUXUS F721
UMFLUXUSF721BV1-1EN, 2017-01-23 7
1 IntroductionThis user manual has been written for the users operating the ultrasonic flowmeter FLUXUS. It contains important infor-mation about the measuring instrument, how to handle it correctly, and how to avoid damages.
Read the safety Instructions carefully. Make sure you have read and understood this user manual before using the mea-suring instrument.
All reasonable effort has been made to ensure the correctness of the content of this user manual. If you however find some erroneous information or miss information, we are grateful for any hint.
We will be grateful for any suggestions and comments regarding the concept and your experience working with the mea-suring instrument. If you have any suggestions about improving the documentation and particularly this user manual, please let us know so that we can consider your comments for future reprints.
The contents of this user manual are subject to changes without prior notice. All rights reserved. No part of this user man-ual may be reproduced in any form without FLEXIM's written permission.
The user manual contains instructions that are marked as follows:
Observe these safety instruction!
Attention! Observe the "Safety Instructions for the Use in Explosive Atmosphere" (see document SIFLUXUS).
Note! For technical data see Technical Specification.
Note! This text contains important information about the use of the measuring instrument.
Attention! This text contains important instructions which should be observed to avoid damage or destruction of the measuring instrument. Proceed with special caution!
This text contains safety instructions for the use in an explosive atmosphere.
FLUXUS F721 2 Safety Instructions
2 Safety Instructions
2.1 General Safety InstructionsPrior to starting any work, read the user manual carefully and in full.
Failure to comply with the instructions, in particular with the safety instructions, poses a risk to health and can lead to material damages. If you have any questions, please contact FLEXIM.
During installation and operation of the measuring equipment, observe the ambient and installation conditions specified in the documentation.
The following symbols are affixed to the measuring equipment:
The measuring equipment has to be checked for proper condition and operational safety before each use. If disturbances or damages have occurred during installation or operation of the measuring equipment, please inform FLEXIM.
It is not allowed to make unauthorized modifications or alterations to the measuring equipment.
If the measuring point is within an explosive atmosphere, the danger zone and present explosive atmosphere have to be determined. The transmitter, transducers and accessories have to be appropriate and approved for the conditions in this zone.
The personnel has to be suitably trained and experienced for the work.
Observe the "Safety instructions for the use in explosive atmospheres" (see document SIFLUXUS). Observe the instructions for hazardous substances and the respective safety data sheets. Observe the regulations for the disposal of electrical equip-ment.
2.2 Intended UseThe measuring equipment is intended for the measurement of fluid properties in closed pipes. By means of connected transducers, the transit times of the ultrasonic signals in the fluid and the pipe as well as other related properties, such as temperature and pressure, are measured and evaluated.
The transmitter uses these values to calculate the sought physical quantities, e.g., volumetric flow rate, mass flow rate, heat quantity, density and concentration. Through comparison with the values stored in the transmitter further physical quantities can be determined. The physical quantities are provided via configurable outputs and the display.
• All instructions of this user manual have to be observed to ensure intended use.
• Any use beyond or other than the intended use is not covered by warranty and can present a danger. Any damage aris-ing from not intended use shall be solely the liability of the operator or user.
• The measurement is carried out without direct contact to the fluid in the pipe. The flow profile is not influenced.
• The transducers are fixed to the pipe using the supplied transducer mounting fixture.
symbol explanation
direct current
connection to ground
ground conductor terminal
warning of voltage
observe the user manual
Attention!
i
i
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2 Safety Instructions FLUXUS F721
• If an extension cable is required to connect the transducers to the transmitter, a junction box can be used (optional). Ob-serve the safety instructions in the user manual. For the technical data of the junction box see "Technical specification".
• Observe the operating conditions, e.g., environment, voltage ranges. For the technical data of the transmitter, transduc-ers and accessories see "Technical specification".
2.3 Not Intended UseNot intended use in terms of a misuse means:
• any work on the measuring equipment without observing all instructions in this user manual
• use of transmitter, transducer and accessories combinations not intended by FLEXIM
• installation of the transmitter, transducers and accessories in explosive atmospheres they are not approved for
• any work on the measuring equipment (e.g., installation, dismounting, connection, start-up, operation, service and main-tenance) carried out by unauthorized and untrained personnel
• storage, installation and operation of the measuring equipment outside the specified ambient conditions (see "Technical specification")
2.4 Safety Instructions for the UserAny work on the measuring equipment has to be carried out by authorized and suitably trained personnel. Observe the safety instructions in the user manual. For the technical data of the transmitter, transducers and accessories see "Techni-cal specification".
• Observe the safety and accident prevention regulations applicable on the site of operation.
• Only use the supplied mounting fixtures and transducers as well as the intended accessories.
• Always wear the required personal protective equipment.
2.5 Safety Instructions for the Operator• The operator shall qualify the personnel to perform their assigned tasks. They shall provide the required personal protec-
tive equipment and oblige the personnel to wear it. It is recommended to risk assess the workplace.
• Besides the safety instructions in this user manual, the health, safety and environment regulations applicable for the range of application of the transmitter, transducers and accessories have to be observed.
• With the exceptions stated in chapter 11, the measuring equipment is maintenance-free. Any components and spare parts may only be replaced by FLEXIM. The operator shall carry out periodic checks for changes or damages that can present a danger. If you have any questions, please contact FLEXIM.
• Observe the specifications for the installation and connection of the transmitter, transducers and accessories (see chap-ter 5 and 6).
2.6 Safety Instructions for Electrical Work• Prior to any work on the transmitter (e.g., installation, dismounting, connection, service and maintenance), the transmit-
ter has to be disconnected from the power supply. It is not sufficient to remove the internal fuse of the instrument (see section 6.3).
• Electrical work may only be carried out if there is enough space.
• Only open the transmitter in safe ambient conditions (e.g., air humidity < 90 %, no conductive pollution, no explosive at-mosphere). Otherwise, additional protective measures have to be taken.
• The degree of protection of the transmitter is only ensured if all cables are fitted tight using the cable glands and the housings are firmly screwed.
• The condition and tight fit of the electrical connections have to be checked at regular intervals.
• When connecting the transmitter to the power supply, an appropriate cutoff device according to IEC 60947-1 and IEC 60947-3 has to be installed as disconnector. The cutoff device has to disconnect all live wires. The ground conductor connection must not be interrupted. The cutoff device has to be easily accessible and clearly marked as a disconnector for the transmitter. It should be located near the transmitter.If the transmitter is used in an explosive atmosphere, the cutoff device has to be installed outside the explosive atmo-sphere. If this is not possible, it has to be installed in the least hazardous area.
• The connection may only be made to networks up to overvoltage category II. When connecting the inputs and outputs as well as the power supply, observe the installation instructions, in particular the terminal assignment.
• The front plate must not be removed (see Fig. 2.1). The transmitter does not contain any components to be maintained by the user. For repair and service work, please contact FLEXIM.
UMFLUXUSF721BV1-1EN, 2017-01-23 9
FLUXUS F721 2 Safety Instructions
• Observe the safety and accident prevention regulations for electrical systems and equipment.
2.7 Safety Instructions for Transport• If you detect a transport damage when unpacking the delivery, please contact the supplier or FLEXIM immediately.
• The transmitter is a sensitive electronic measuring instrument. Avoid shocks or impacts.
• Handle the transducer cable with care. Avoid sharp bends or kinks. Observe the ambient conditions.
• Select a solid surface to put the transmitter, transducers and accessories on.
• The transmitter, transducers and accessories have to be properly packed for transport:
– Use, if possible, the original packaging by FLEXIM or an equivalent cardboard box.
– Position the transmitter, transducers and accessories in the middle of the cardboard box.
– Fill any voids with appropriate packaging material (e.g., paper, foam, bubble wrap).
– Protect the cardboard box against humidity.
2.8 Recommended Procedure in Hazardous Situations
Fire Fighting Measures
• If possible, disconnect the transmitter from the power supply.
• Prior to extinguishing, protect any electrical parts that are not affected by the fire (e.g., using a cover).
• Select a suitable extinguishing agent. Avoid, if possible, conductive extinguishing agents.
• Observe the applicable minimum distances. The minimum distances differ depending on the used extinguishing agent.
2.9 Recommended Maintenance IntervalsTo ensure security, the following maintenance intervals are recommended:
Fig. 2.1: FLUXUS F721 transmitter
what when
visual inspection for corrosion and damages annually
check of the transducer coupling annually
reading of measured and diagnostic values annually
firmware update check for updates: annually
update as required
replacement of wearing parts backup battery on the main boardreplaced by FLEXIM as required
calibration recommendation see chapter 11, section "Calibration"
A B
SNAP
DISP
DISP
MODEFAST
MUX
NEXTQON
Q+Q-
3x QOFF
LAN USB
A+ B- P1+ P2+ P3+ P4+ P5a P6a P7a
S S P1- P2- P3- P4- P5b P6b P7b
T1AAV+
X2 X3X_AV
KL11
KL12
KL7
KL8
KL9
KL10
KL4
X_AR X_BV X_BR
AV- S AR- AR+ BV+ BV- S BR- BR+ T1B S1 T2A T2B T3A T3B S3 T4BT4A
T1a T1b S1 T2a T2b T3a T3b S3 T4bT4a
N(-)PE L(+)
front plate
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3 Handling FLUXUS F721
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3 Handling
3.1 First InspectionThe measuring instrument has already been tested thoroughly at the factory. At delivery, proceed to a visual control to make sure that no damage has occurred during transportation.
Check that the specifications of the measuring instrument delivered correspond to the specifications given on the pur-chase order.
The type and the serial number of the transmitter are shown on the nameplate. The transducer type is printed on the trans-ducers.
3.2 General Precautions
FLUXUS is a precision measuring instrument and has to be handled with care. To obtain good measurement results and not damage the measuring instrument, it is important that great attention is paid to the instructions given in this user man-ual, particularly to the following points:
• Protect the transmitter from shocks.
• The housing may only be opened by authorized personnel. The degree of protection of the transmitter will only be en-sured if the front plate is tightly screwed to the housing.
• Keep the transducers clean. Manipulate the transducer cables with caution. Avoid excessive cable bend.
• Make sure to work under correct ambient and operating temperatures. The ambient temperature has to be within the op-erating temperature range of the transmitter and the transducers (see Technical Specification).
• Observe the degree of protection (see Technical Specification).
3.3 Cleaning• Clean the transmitter with a soft cloth. Do not use detergents.
• Remove traces of the coupling compound from the transducers with a soft paper towel.
Attention! Observe the Safety Instructions for the Use in Explosive Atmosphere (see document SIFLUXUS).
FLUXUS F721 4 Handling Concept
4 Handling ConceptThe handling of the transmitter occurs via the keyboard.
By pressing keys or the following program branches are displayed consecutively:
•Parameter
•Measurement
•Options
•Spec. functions
The program branch is displayed between two arrows (see Fig. 4.1).
For the description of the different program branches, see Tab. 4.1.
When the transmitter is operated for the first time and connected to the power supply the program branch Parameter will be displayed. At each start-up the measured value will be displayed if the measurement was not stopped before discon-necting the transmitter from the power supply. If the measurement was stopped, the program branch Parameter will be indicated.
After starting the measurement the parameter settings or configuration of the outputs of the transmitter can be displayed without interrupting the measurement.
Fig. 4.1: Display of the program branch Parameter
Tab. 4.1: Description of program branches
program branch description
Parameter Before starting the measurement the transducer, pipe and fluid parameters have to be entered in the program branch Parameter.
Measurement After activating the measuring channels and the input of the transducer distance the measurement is started in the program branch Measurement.
Options Channel-related settings are carried out in the program branch Options as e.g. selection of the physi-cal quantity, selection of the unit of measurement, input of the damping factor, configuration of the out-puts, assignation of the inputs.
Spec. functions Global settings, which affect all measuring channels and the transmitter, are carried out in the program branch Spec. functions, as e.g. system settings (language, program code), measuring settings, communication, data logger, signal snaps, configuration of inputs.
A B
SNAP
DISP
DISP
MODEFAST
MUX
NEXTQON
Q+Q-
3x QOFF
LAN USB
A+ B- P1+ P2+ P3+ P4+ P5a P6a P7a
S S P1- P2- P3- P4- P5b P6b P7b
T1AAV+
X2 X3X_AV
KL11
KL12
KL7
KL8
KL9
KL10
KL4
X_AR X_BV X_BR
AV- S AR- AR+ BV+ BV- S BR- BR+ T1B S1 T2A T2B T3A T3B S3 T4BT4A
T1a T1b S1 T2a T2b T3a T3b S3 T4bT4a
N(-)PE L(+)
display
keyboard
12 UMFLUXUSF721BV1-1EN, 2017-01-23
4 Handling Concept FLUXUS F721
4.1 Display
Design
Status Indication
Several symbols are used for the display of the status indication.
4.2 KeyboardThe keyboard has 3 function keys ENTER, , C and 10 numerical keys.
Several keys have multiple functions. They can be used for entering data, for navigating through scroll lists as well as for executing special functions (e.g., activation of the FastFood mode).
Fig. 4.2: Menu item of the program branch Parameter
Tab. 4.2: Navigation
horizontal scroll list vertical scroll list selection fields input fields
• scroll horizontally
• keys or
• scroll vertically
• keys or
• scroll horizontally
• keys or
• activate/deactivate with key or
• input occurs via the10 numerical keys of the key-board (see Tab. 4.5)
• delete with key C
Fig. 4.3: Display of the status indication
Tab. 4.3: General functions
ENTER confirmation of selection or entered value
+ C + ENTER RESET: Press these 3 keys simultaneously to correct a malfunction.
The reset has the same effect as restarting the transmitter. Stored data are not affected.
+ C INIT: During an initialization of the transmitter, all settings are reset to the factory default settings (see section 7.5).
program branch
menu item currently being processed
area for scroll lists, selection or input fields
error message (see user manual – Advanced Functions, section 8.8)
ongoing measurement
FastFood mode activated
connection via USB cable
status indication
key lock activated
UMFLUXUSF721BV1-1EN, 2017-01-23 13
FLUXUS F721 4 Handling Concept
Tab. 4.4: Navigation
during parameterization:
return to the previous menu item
pressing key during several seconds: return to the beginning of the program branch
during the measurement:
display of the scroll list: Stop measurement - Enter parameters - Show measurement
scroll to the left/right through a scroll list
scroll upwards/downwards through a scroll list
ENTER confirmation of a menu item of the program branch
Tab. 4.5: Input of digits
... input of the digit shown on the key
sign for the input of negative values
decimals
C Delete values. After the value has been deleted, the previous value will be displayed.
ENTER confirmation of input
Tab. 4.6: Input of text
positioning of the cursor
"A" is displayed and capitalization is activated
"Z" is displayed and capitalization is activated
changing between small and capital letters
selection of the previous/next character
deleting the character and inserting a blank
ENTER confirmation of input
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5 Installation FLUXUS F721
5 Installation
5.1 Transmitter
5.1.1 Transmitter Design
The command panel can be accessed by opening the front plate.
Opening and Closing the Housing
Opening
• Loosen the screws of the housing of the transmitter (see Fig. 5.2 and Fig. 5.3).
• Open the front plate of the transmitter.
Closing
• Close the front plate.
• Tighten the screws of the housing of the transmitter see Fig. 5.2 and Fig. 5.3).
Fig. 5.1: Command panel and circuit board of FLUXUS F721
Attention! Observe the "Safety Instructions for the Use in Explosive Atmosphere" (see document SIFLUXUS).
Attention! Do not use tools or sharp objects to open the front plate, otherwise the cover gasket can be dam-aged.
Attention! The degree of protection of the transmitter is ensured only if the cable glands are firmly tightened and the housings are tightly screwed.
Fig. 5.2: FLUXUS F721 with stainless steel housing Fig. 5.3: FLUXUS F721 with aluminum housing
A B
SNAP
DISP
DISP
MODEFAST
MUX
NEXTQON
Q+Q-
3x QOFF
LAN USB
A+ B- P1+ P2+ P3+ P4+ P5a P6a P7a
S S P1- P2- P3- P4- P5b P6b P7b
T1AAV+
X2 X3X_AV
KL11
KL12
KL7
KL8
KL9
KL10
KL4
X_AR X_BV X_BR
AV- S AR- AR+ BV+ BV- S BR- BR+ T1B S1 T2A T2B T3A T3B S3 T4BT4A
T1a T1b S1 T2a T2b T3a T3b S3 T4bT4a
N(-)PE L(+)
LCD display, backlit
transducers channel B
outputs
power supply
inputs
keyboard
sensor modulechannel B
transducers channel A
sensor modulechannel A
screwsscrews
UMFLUXUSF721BV1-1EN, 2017-01-23 15
FLUXUS F721 5 Installation
5.1.2 Installation of the Transmitter
5.1.2.1 Wall Installation
FLUXUS F721 with stainless steel housing
• Fix the transmitter to the wall (see Fig. 5.4).
FLUXUS F721 with aluminum housing
• Fix the wall mount (1) with 3 countersunk-head screws (3) firmly to the wall.
• Use the lower hooks (4) to hang the transmitter (2) onto the wall mount.
• Fix the transmitter on the wall mount by tightening the 2 screws (5) (see Fig. 5.5 and Fig. 5.6).
Fig. 5.4: FLUXUS F721 with stainless steel housing (dimensions in mm)
Fig. 5.5: FLUXUS F721 with aluminum housing (dimension in mm)
Fig. 5.6: FLUXUS F721 mounting view
240
28
0
fixing hole for wall mountingØ 9.5
190.2
165
.6
Ø 1
0.4
Ø 8.5
4
2
1
2
5
1
3
5
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5 Installation FLUXUS F721
5.1.2.2 Pipe Installation
FLUXUS F721 with stainless steel housing
Installation on a 2" pipe
• Fix the instrument mounting plate (2) to the pipe using the shackles (1) (see Fig. 5.7).
• Tighten the nuts (3) to fix the transmitter with the shackle to the pipe.
Installation on a pipe > 2"
The pipe mounting kit is fixed to the pipe using tension straps.
• Fix the instrument mounting plate (2) to the pipe using the tension strap instead of the shackles (1).
FLUXUS F721 with aluminum housing
Installation on a 2" pipe
• Fix the wall mount (1) with 3 countersunk-head screws (2) and nuts (3) firmly to the instrument mounting plate (4) (see Fig. 5.8).
• Fix the instrument mounting plate (4) with the shackles (5) to the pipe.
• Tighten the nuts (6) to fix the instrument mounting plate (4) with the shackle to the pipe.
• Use the lower hooks (7) to hang the transmitter onto the wall mount (see Fig. 5.5).
• Fix the transmitter on the wall mount by tightening the 2 screws (8) (see Fig. 5.8).
Fig. 5.7: FLUXUS F721 with stainless steel housing
Fig. 5.8: FLUXUS F721 with aluminum housing
1
2 3
2
1
5
6
3
4
8
7
8
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FLUXUS F721 5 Installation
18
Installation on a pipe > 2"
The pipe mounting kit is fixed to the pipe using tension straps.
• Fix the instrument mounting plate (1) to the pipe using the tension straps (2) instead of the shackles (see Fig. 5.9).
Fig. 5.9: Pipe installation using tension straps
2
1
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5 Installation FLUXUS F721
5.2 Transducers
5.2.1 Preparation
5.2.1.1 Selection of the Measuring Point
The correct selection of the measuring point is crucial for achieving reliable measurement results and a high measurement accuracy.
A measurement on a pipe is possible if:
• the ultrasound propagates with a sufficiently high amplitude (see user manual – Advanced Functions, section 3.1)
• the flow profile is fully developed (see user manual – Advanced Functions, section 3.2)
The correct selection of the measuring point and the correct transducer positioning guarantees that the sound signal will be received under optimum conditions and evaluated correctly.
Because of the variety of applications and the different factors that influence the measurement, there is no standard solu-tion for the transducer positioning. The measurement is influenced by the following factors:
– diameter, material, lining, wall thickness and shape of the pipe
– fluid
– gas bubbles in the fluid
• Avoid measuring points in the vicinity of deformations or defects of the pipe and in the vicinity of welds.
• Avoid measuring points with deposit formation in the pipe.
• Make sure that the pipe surface at the selected measuring point is even. The pipe may not be corrugated.
• The ambient temperature at the measuring point has to be within the operating temperature range of the transducers (see Technical Specification).
• Select the location of the transmitter within the range of the cable of the measuring point.
• The ambient temperature at the measuring point has to be within the operating temperature range of the transmitter and the sensor (see Technical Specification).
• If the measuring point is within an explosive atmosphere, the danger zone and gases that may be present have to be de-termined. The transducers and the transmitter have to be appropriate for these conditions.
5.2.1.2 Preparation of the Pipe
• The pipe has to be stable. It has to be able to withstand the pressure exerted by the transducer mounting fixture.
Rust, paint or other deposits on the pipe absorb the sound signal. A good acoustic contact between the pipe and the trans-ducers is obtained as follows:
• Clean the pipe at the selected measuring point:
– If present, the paint layer has to be smoothed by sanding. The paint does not need to be removed completely.
– Remove any rust or loose paint.
• Use coupling foil or apply a bead of acoustic coupling compound along the center line of the contact surface of the trans-ducers.
• Observe that there must be no air pockets between the transducer contact surface and the pipe wall.
Attention! Observe the "Safety Instructions for the Use in Explosive Atmosphere" (see document SIFLUXUS).
UMFLUXUSF721BV1-1EN, 2017-01-23 19
FLUXUS F721 5 Installation
5.2.1.3 Selection of the Measurement Arrangement
Diagonal arrangement with 1 beam Reflection arrangement with 1 beam
• wider flow velocity and sound speed range compared to the reflection arrangement
• use in the presence of deposits on the inner pipe wall or with strongly attenuating gases or liquids (1 sound path)
• smaller flow velocity and sound speed range compared to the diagonal arrangement
• transverse flow effects are compensated because the beam crosses the pipe in 2 directions
• higher accuracy of measurement because the accuracy increases with the number of sound paths
Diagonal arrangement with 2 beams Reflection arrangement with 2 beams and 2 planes
• same characteristics as reflection arrangement with 2 beams
• additional characteristic:influences of the flow profile are compensated because the measurement takes place in 2 planes
• same characteristics as diagonal arrangement with 1 beam
• additional characteristic:transverse flow effects are compensated because the measurement is conducted with 2 beams
X arrangement
displacedX arrangement
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5 Installation FLUXUS F721
If the measuring point is situated near an elbow, the following measurement arrangements are recommended for the se-lection of the sound beam plane.
With vertical pipe orientation With horizontal pipe
• The sound beam plane (see user manual - Advanced Functions, section 2.2.1) has an angle of 90° to the elbow plane. The elbow is upstream of the measuring point.
• The sound beam plane (see user manual - Advanced Functions, section 2.2.1) has an angle of 90° ± 45° to the elbow plane. The elbow is upstream of the measuring point.
With measurements in both directions With measurements in the reflection arrangement with 2 beams and -2 planes
• The sound beam plane (see user manual - Advanced Functions, section 2.2.1) is selected according to the nearest elbow (horizontal or vertical, depending on the pipe orientation - see above).
• The 2 sound beam planes (see user manual - Advanced Functions, section 2.2.1) have an angle of 45° to the el-bow plane. The elbow is upstream of the measuring point.
• With horizontal pipes, the transducers are mounted on the upper half of the pipe.
elbow plane
flow direction
elbow plane
flow direction
flow directionflow direction
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FLUXUS F721 5 Installation
22 UMFLUXUSF721BV1-1EN, 2017-01-23
5.2.2 Mounting
Select the installation instructions that correspond to the delivered transducer mounting fixture:
• Variofix L: see section 5.2.2.2
• Variofix C: see section 5.2.2.3
• mounting shoe and clasp: see section 5.2.2.4
5.2.2.1 Orientation of the Transducers and Determination of the Transducer Distance
If the transducer mounting has been done properly the engravings on the transducers form an arrow (see Fig. 5.10). The transducer cables show in opposite directions.
The transducer distance is the distance between the inner edges of the transducers.
Attention! Observe the "Safety Instructions for the Use in Explosive Atmosphere" (see document SIFLUXUS).
Fig. 5.10: Correct orientation of the transducers and transducer distance
transducer distance
5 Installation FLUXUS F721
5.2.2.2 Mounting with Variofix L
Scope of Delivery
Installation
When measuring in reflection arrangement, the transducer mounting fixtures are mounted on the same side of the pipe (see Fig. 5.12).
When measuring in diagonal arrangement, the transducer mounting fixtures are mounted on the opposite sides of the pipe (see Fig. 5.13).
When measuring in reflection arrangement and small transducer distance, only one transducer mounting fixture has to be mounted (see Tab. 5.1).
In the following, the mounting of two transducer mounting fixtures in reflection arrangement is described (one transducer mounting fixture for each transducer).
Fig. 5.11: Scope of delivery
Tab. 5.1: Approximate values for the mounting of a Variofix L
transducer frequency(third character of the technical type)
length of the rail [mm] transducer distance [mm]
F 368 < 94
G, H, K (only ****LI*) 368 < 94
G, H, K (all but ****LI*) 348 < 89
M, P (Lamb wave transducers)(Shear wave transducers)
234 < 84< 100
Q 176 < 69
Fig. 5.12: Transducer mounting fixture Variofix L(reflection arrangement)
Fig. 5.13: Transducer mounting fixture Variofix L(diagonal arrangement)
2 Variofix L
4x band clamp clasp with tension strap
4x quick release clasp with tension strap
4x ratchet clasp and tension strap coil
1 transducer pairor
or
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FLUXUS F721 5 Installation
Overview of the mounting steps
• step 1disassembly of Variofix L
• step 2fixing the clasps to the tension straps
• step 3fixing the tension strap to the pipe
• step 4fixing the rail to the pipe
• step 5installation of the transducers in Variofix L
Step 1: Disassembly of Variofix L
• Disassemble the transducer mounting fixture Variofix L (see Fig. 5.14).
Step 2: Fixing the Clasps to the Tension Straps
Select the installation instructions that correspond to the delivered clasp:
Band clamp clasp
The clasp is fixed to the tension strap (see Fig. 5.15).
Quick release clasp
The clasp is fixed to the tension strap (see Fig. 5.16).
• Cut the tension straps to length (pipe circumference + at least 120 mm).
Ratchet clasp
• Cut the tension strap to length (pipe circumference + at least 120 mm).
• Insert approx. 100 mm of the tension strap into parts 1 and 2 of the clasp (see Fig. 5.17 a).
• Bend the tension strap.
• Insert the tension strap into part 1 of the ratchet clasp (see Fig. 5.17 b).
Fig. 5.14: Disassembly of Variofix L
Fig. 5.15: Band clamp claspwith tension strap
Fig. 5.16: Quick release claspwith tension strap
Attention! The edge of the tension strap is very sharp, leading to risk of injury. Remove the burr of the sharp edge.
rail
tension strap clamp
nut
screw
cover
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5 Installation FLUXUS F721
• Tighten the tension strap.
• Repeat the steps for the second tension strap.
Step 3: Fixing the Tension Strap to the Pipe
One tension strap is fixed to the pipe (see Fig. 5.18). The second tension strap is mounted later.
Select the installation instructions of the delivered clasp:
Band clamp clasp
• Insert the tension strap into the tension strap clamp (see Fig. 5.19).
• Position the clasp and the tension strap clamp on the pipe (see Fig. 5.18).On a horizontal pipe, mount the tension strap clamp on the side of the pipe, if possible.
• Place the tension strap around the pipe and insert it into the clasp (see Fig. 5.21).
• Tighten the tension strap.
• Tighten the screw of the clasp.
Quick release clasp
• Insert the tension strap into the tension strap clamp and the metal spring (see Fig. 5.19 and Fig. 5.20).
• Position the clasp, the metal spring and the tension strap clamp on the pipe (see Fig. 5.18):
– On a horizontal pipe, mount the tension strap clamp on the side of the pipe, if possible.
– Mount the metal spring on the opposite side of the tension strap clamp.
a b
Fig. 5.17: Ratchet clasp with tension strap
Fig. 5.18: Tension strap with tension strap clamp and metal spring on the pipe
Fig. 5.19: Tension strap with tension strap clamp Fig. 5.20: Tension strap with metal spring
1 2 1
metal spring
tension strap clamp
clasp
tension strap clamp metal spring
UMFLUXUSF721BV1-1EN, 2017-01-23 25
FLUXUS F721 5 Installation
• Place the tension strap around the pipe and insert it into the clasp (see Fig. 5.22).
• Tighten the tension strap.
• Tighten the screw of the clasp.
Ratchet clasp
• Insert the tension strap into the tension strap clamp and the metal spring (see Fig. 5.23). It is not necessary to mount the met-al spring:
– on steel pipes or
– on pipes with an outer pipe diameter < 80 mm or
– on pipes that are not subjected to significant temperature fluctuations.
• Position the clasp, the metal spring (if necessary) and the tension strap clamp on the pipe (see Fig. 5.18).
– on a horizontal pipe, mount the tension strap clamp on the side of the pipe, if possible
– mount the metal spring on the opposite side of the tension strap clamp (if necessary).
• Place the tension strap around the pipe and insert it into part 3 of the clasp (see Fig. 5.24).
• Tighten the tension strap.
• Cut off the protruding tension strap (see Fig. 5.24).
• Tighten the screw of the clasp.
Fig. 5.21: Band clamp clasp with tension strap Fig. 5.22: Quick release clasp with tension strap
Attention! The edge of the tension strap is very sharp, leading to risk of injury. Remove the burr of the sharp edge.
Fig. 5.23: Tension strap with the metal spring and the tension strap clamp
Fig. 5.24: Ratchet clasp with tension strap
Attention! To release the screw and the tension strap, press the lever down (see Fig. 5.24).
screw ofthe clasp
screw ofthe clasp
metal spring tension strap clamp
3
lever
sense of rotation
cut
screw ofthe clasp
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5 Installation FLUXUS F721
Step 4: Fixing the Rail to the Pipe
• Place one tension strap clamp in the rail (see tension strap clamp 1 in Fig. 5.25). Observe the orientation of the tension strap clamp.
• Tighten the nut of tension strap clamp 1 slightly.
• Screw the rail to tension strap clamp 2 (see Fig. 5.26).
• Tighten the nut of tension strap clamp 2, but not too firmly in order not to damage the tension strap.
• Select the installation instructions that correspond to the delivered clasp:
Band clamp clasp
• Insert the tension strap into tension strap clamp 1 (see Fig. 5.27).
• Place the tension strap around the pipe and insert it into the clasp (see Fig. 5.28).
• Tighten the tension strap.
• Tighten the screw of the clasp.
• Tighten the nut of tension strap clamp 1, but not too firmly in order not to damage the tension strap (see Fig. 5.27).
Fig. 5.25: Rail with tension strap clamp
Fig. 5.26: Rail, mounted on one side of the pipe
Fig. 5.27: Rail on the pipe
Observe the orientation!
nut
tension strap clamp 1
nut
tension strap 2
tension strap 2
tension strap 1
nut
clasp
metal spring
tension strap 1
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FLUXUS F721 5 Installation
Quick release clasp
• Insert the tension strap into tension strap clamp 1 and the metal spring (see Fig. 5.29 and Fig. 5.27).
• Place the tension strap around the pipe and insert it into the clasp.
• Place the metal spring on the opposite side of tension strap clamp 1.
• Tighten the tension strap.
• Tighten the screw of the clasp.
• Tighten the nut of tension strap clamp 1, but not too firmly in order not to damage the tension strap (see Fig. 5.27).
Ratchet clasp
• Insert the tension strap into tension strap clamp 1 and the metal spring (see Fig. 5.27 and Fig. 5.30).It is not necessary to mount the metal spring:
– on steel pipes or
– on pipes with an outer pipe diameter < 80 mm or
– on pipes that are not subjected to significant temperature fluctuations.
• Position the clasp, the metal spring (if necessary) and tension strap clamp 1 on the pipe. Mount the metal spring on the opposite side of the tension strap clamp.
• Place the tension strap around the pipe and insert it into part 3 of the clasp (see Fig. 5.31).
• Tighten the tension strap.
• Cut off the protruding tension strap (see Fig. 5.31).
• Tighten the screw of the clasp.
• Tighten the nut of tension strap clamp 1, but not too firmly in order not to damage the tension strap (see Fig. 5.27).
Fig. 5.28: Tension strap with band clamp clasp Fig. 5.29: Tension strap with quick release clasp and metal spring
Attention! The edge of the tension strap is very sharp, leading to risk of injury. Remove the burr of the sharp edge.
Fig. 5.30: Tension strap with the metal spring and the tension strap clamp
Fig. 5.31: Ratchet clasp with tension strap
Note! To release the screw and the tension strap, press the lever down (see Fig. 5.31).
screw ofthe clasp
screw of the claspmetal spring
metal spring tension strap
3
lever
sense of rotation
cut
screw ofthe clasp
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5 Installation FLUXUS F721
• Repeat the steps for fixing the second rail (see Fig. 5.32).
Step 5: Installation of the transducers in Variofix L
• Press the transducers firmly on the transducer clamping fixture in the covers until the transducers are firmly fixed (one transducer in each cover). The transducer cables show in opposite directions (see Fig. 5.33).
• Adjust the transducer distance displayed by the transmitter (see section 8.3 and Fig. 5.34).
• Fix the cables of the transducers with the strain relief clamp to protect them from mechanical strain (see Fig. 5.34).
• Put coupling foil (or some coupling compound for a short-term installation) on the contact surface of the transducers. The coupling foil can be fixed to the contact surface with a small amount of the coupling compound.
• Put the covers with the transducers on the rail.
• Correct the transducer distance, if necessary (see section 8.3).
Fig. 5.32: Pipe with two rails
Note! The arrows on the transducers and the cover have to point in the same direction.
Fig. 5.33: Transducers in the cover
Fig. 5.34: Adjustment of the transducer distance
Note! Make sure that the coupling foil remains on the contact surface of the transducers.
cover
(1)
(2)transducerclamping
fixture
transducer distance
cover strain relief clamp
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FLUXUS F721 5 Installation
• Tighten the screws of the cover (see Fig. 5.35).
Fig. 5.35: Transducers with Variofix L on the pipe
screws ofthe cover
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5 Installation FLUXUS F721
5.2.2.3 Installation with Variofix C
Scope of Delivery
Installation
When measuring in reflection arrangement, one transducer mounting fixture is mounted on the side of the pipe (see Fig. 5.37).
When measuring in diagonal arrangement, two transducer mounting fixtures are mounted on the opposite sides of the pipe (see Fig. 5.38).
In the following, the installation of one transducer mounting fixture is described (transducers in reflection arrangement).
Overview of the mounting steps
• step 1disassembly of Variofix C
• step 2installation of the rail
• step 3installation of the transducers in Variofix C
Step 1: Disassembly of Variofix C
• Disassemble the transducer mounting fixture Variofix C.
In order to remove the cover from the rail, bend the outer sides of the cover outwards (see Fig. 5.39).
In order to remove the spring clip from the rail, slide it over the indentation on the rail and lift it off (see Fig. 5.40).
Fig. 5.36: Scope of delivery
Fig. 5.37: Transducer mounting fixture Variofix C(reflection arrangement)
Fig. 5.38: Transducer mounting fixture Variofix C(diagonal arrangement)
Fig. 5.39: Removal of the cover
1 Variofix C
1 transducer pair
1 tension strap coil
2x ratchet clasp(optional)
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FLUXUS F721 5 Installation
Step 2: Installation of the Rail
Select the installation instructions of the delivered clasp:
• see section Installation of the rail without a clasp
• see section Installation of the rail with the ratchet clasp
Installation of the rail without a clasp
• Cut the tension strap to length (pipe circumference + at least 120 mm).
• Insert approx. 100 mm of the tension strap into one of the slots of the tension strap clamp and bend it (see Fig. 5.41).
• If necessary, insert the long end of the tension strap into the metal spring (see Fig. 5.42). It is not neces-sary to mount the metal spring:
– on steel pipes or
– on pipes with an outer pipe diameter < 80 mm or
– on pipes that are not subjected to significant temperature fluctuations.
• Place the tension strap around the pipe (see Fig. 5.43).
Fig. 5.40: Disassembly of Variofix C
Note! The edge of the tension strap is very sharp, leading to risk of injury. Remove the burr of the sharp edge.
Fig. 5.41: Tension strap with tension strap clamp Fig. 5.42: Tension strap with the metal spring and the tension strap clamp
cover
rail
spring clip
tensioning screw
spacing element
tension strap clamp
indentation
tension strap clamp tension strap clamp
metal spring
32 UMFLUXUSF721BV1-1EN, 2017-01-23
5 Installation FLUXUS F721
• Position the metal spring (if mounted) and the tension strap clamp (see Fig. 5.43):
– On a horizontal pipe, mount the tension strap clamp on the side of the pipe, if possible.
– Mount the metal spring (if necessary) on the opposite side of the tension strap clamp.
• Insert the long end of the tension strap into the second slot of the tension strap clamp (see Fig. 5.43 a).
• Tighten the tension strap and bend it.
• Bend both ends of the tension strap (see Fig. 5.43 b).
• Repeat the steps for the second tension strap. Position the tension strap at the distance s (see Fig. 5.43).
• Put the rail on the tension strap clamps.
• Use the screws to fix the rail to the tension strap clamps (see Fig. 5.44).
• Tighten the screws.
Installation of the rail with the ratchet clasp
• Cut the tension strap to length (pipe circumference + at least 120 mm).
• Insert approx. 100 mm of the tension strap into parts 1 and 2 of the ratchet clasp (see Fig. 5.45 a).
Fig. 5.43: Tension strap with the metal spring and the tension strap clamp on the pipe
Fig. 5.44: Rail on the pipe
Note! The edge of the tension strap is very sharp, leading to risk of injury. Remove the burr of the sharp edge.
a b
Fig. 5.45: Ratchet clasp with tension strap
s
a b
tension strap
metal spring
s = length of the rail – 33 mm
bolts
1 2 1
UMFLUXUSF721BV1-1EN, 2017-01-23 33
FLUXUS F721 5 Installation
• Bend the tension strap.
• Insert the tension strap into part 1 of the ratchet clasp (see Fig. 5.45 b).
• Tighten the tension strap.
• Insert the long end of the tension strap into the tension strap clamp and the metal spring (see Fig. 5.46). It is not neces-sary to mount the metal spring:
– on steel pipes or
– on pipes with an outer pipe diameter < 80 mm or
– on pipes that are not subjected to significant temperature fluctuations.
• Place the tension strap around the pipe (see Fig. 5.47).
• Position the metal spring (if mounted), the ratchet clasp and the tension strap clamp:
– On a horizontal pipe, mount the tension strap clamp on the side of the pipe, if possible.
– Mount the metal spring (if necessary) on the opposite side of the tension strap clamp.
• Insert the long end of the tension strap into part 3 of the ratchet clasp (see Fig. 5.48).
• Tighten the tension strap.
• Cut off the protruding tension strap (see Fig. 5.48).
• Tighten the screw of the ratchet clasp.
• Repeat the steps for the second tension strap.
• Put the rail on the tension strap clamps (see Fig. 5.49).
• Fix the rail to the tension strap clamps with the screws.
• Tighten the screws.
Fig. 5.46: Tension strap with the metal spring and the tension strap clamp
Fig. 5.47: Tension strap with the metal spring, the ratchet clasp and the tension strap clamp on the pipe
Fig. 5.48: Ratchet clasp with tension strap
Note! To release the screw and the tension strap, press the lever down (see Fig. 5.48).
metal spring
tension strap clamp
metal spring
tension strap clamp
metal springratchet clasp
3
lever
sense of rotation
cut
screw ofthe clasp
34 UMFLUXUSF721BV1-1EN, 2017-01-23
5 Installation FLUXUS F721
Step 3: Installation of the Transducers in Variofix C
• Put coupling foil (or some coupling compound for a short-term installation) on the contact surface of the transducers. The coupling foil can be fixed to the contact surface with a small amount of the coupling compound.
• Position the transducers on the rail in such way that the engravings on the transducers form an arrow. The transducer cables show in opposite directions (see Fig. 5.50).
• Adjust the transducer distance displayed by the transmitter (see section 8.3 and Fig. 5.50).
• Slide the spring clips on the transducers (see Fig. 5.51).
• Fix the transducers by tightening the tensioning screws slightly. The end of the screw has to be placed above the hole in the transducer (see Fig. 5.50).
• Correct the transducer distance, if necessary (see section 8.3).
• Tighten the tensioning screw.
• Fix the spacing element on the rail to mark the transducer position (see Fig. 5.50).
• Use a cable tie to fix the transducer cables in order to protect them from mechanical strain (see Fig. 5.51).
• Put the cover on the rail (see Fig. 5.52).
• Tighten the screws on both sides of the cover.
Fig. 5.49: Rail on the pipe
Note! If coupling foil is used: If the signal is not sufficient for the measurement, use the coupling compound instead of the coupling foil.
Fig. 5.50: Transducers in the rail (spring clip not shown)
Fig. 5.51: Transducers in the rail
screws
engravings onthe transducershole
spacing element
transducer distance
cable tie
tensioning screwspring clip
UMFLUXUSF721BV1-1EN, 2017-01-23 35
FLUXUS F721 5 Installation
The cover can be removed from the mounted transducer mounting fixture Variofix C as follows:
• Use a lever tool to remove the cover.
• Insert the lever tool in one of the four openings of the cover (see Fig. 5.53).
• Press the lever tool against the fixture.
• Bend the cover outwards and release it from the anchoring.
• Repeat the steps for the other three openings.
• Remove the cover from the rail.
Fig. 5.52: Variofix C with transducer on the pipe
Fig. 5.53: Removal of the cover
coverscrew
lever tool
fixture
36 UMFLUXUSF721BV1-1EN, 2017-01-23
5 Installation FLUXUS F721
UMFLUXUSF721BV1-1EN, 2017-01-23 37
5.2.2.4 Installation with Mounting Shoe and Band Clamp Clasp
• Insert the tension strap into the groove on the upper side of the mounting shoe (see Fig. 5.54).
• Position the mounting shoe and the clasp on the pipe. On horizontal pipes, mount the mounting shoe on the side of the pipe, if possible.
• Place the tension strap around the pipe and insert it into the clasp.
• Tighten the tension strap.
• Tighten the screw of the clasp.
• Repeat the steps for fixing the second mounting shoe. Adjust the displayed transducer distance between the inner edges of the mounting shoes by means of the measuring tape.
• Tighten the screws of the clasps.
• Insert the transducers into the mounting shoes. Press the transducer firmly on the pipe. There should be no air pockets between transducer surface and pipe wall. Tighten the screw of the mounting shoe.
Note! The clasp has to be completely in contact with the pipe to ensure a good fixation.
Fig. 5.54: Transducer in the mounting shoe, installed with tension strap and clasp
Note! If the transducers are mounted on a vertical pipe and the transmitter is placed lower than the trans--ducers, the transducer cables should be fixed to the tension strap by a cable tie to protect them from mechanical strain.
clasp
mounting shoe
FLUXUS F721 5 Installation
5.3 Temperature Probes
5.3.1 Preparation of the Pipe
The pipe has to be stable. It has to be able to withstand the pressure exerted by the mounting fixture of the temperature probe.
Rust, paint or other deposits on the pipe isolate the temperature at the measuring point. A good thermal contact between pipe and temperature probe is obtained as follows:
• Clean the pipe at the selected measuring point:
– Remove any insulation material, rust or loose paint.
– If present, the paint layer has to be smoothed by sanding. The paint does not need to be removed completely.
• Use thermal conductivity foil or apply a layer of thermal conductivity paste or coupling compound to the contact surface of the temperature probe. Observe the corresponding operating temperature range.
• Observe that there must be no air pockets between the contact surface of the temperature probe and the pipe wall.
For the installation of the temperature probe (response time 50 s), see section 5.3.2.
For the installation of the temperature probe (response time 8 s), see section 5.3.3.
5.3.2 Installation of the Temperature Probe (Response Time 50 s)
Select the installation instructions of the delivered clasp:
• for the installation with a clasp see section 5.3.2.1
• for the installation with a FLEXIM clasp see section 5.3.2.2
• for the installation with a quick release clasp see section 5.3.2.3
5.3.2.1 Installation with a Clasp
• Cut the tension strap to length (pipe circumference + at least 120 mm).
• Make sure that part (2) of the clasp is on top of part (1) (see Fig. 5.55 a). The hooks of part (2) have to be on the outer side of the clasp.
• Pull approx. 20 mm of the tension strap through the slot of the clasp to fix the clasp to the tension strap (see Fig. 5.55 b).
• Bend the end of the tension strap.
• Position the temperature probe on the pipe (see Fig. 5.56).
• Place the tension strap around the temperature probe and the pipe.
• Insert the tension strap through the parts (2) and (1) of the clasp.
• Pull the tension strap firmly and engage it in the inner hooks of the clasp.
• Tighten the screws of the clasps.
5.3.2.2 Installation with a FLEXIM Clasp
• Cut the tension strap to length (pipe circumference + at least 120 mm).
• Insert approx. 20 mm of the tension strap into the slot of the clasp (see Fig. 5.57).
• Bend the end of the tension strap.
• Position the temperature probe on the pipe (see Fig. 5.56).
• Place the tension strap around the temperature probe and the pipe.
• Insert the tension strap through the parts (2) and (1) of the clasp.
Attention! Observe the "Safety Instructions for the Use in Explosive Atmosphere" (see document SIFLUXUS).
Note! In case of great temperature differences, it is recommended to thermally insulate the temperature probe from the environment.
Fig. 5.55: Clasp Fig. 5.56: Temperature probe on the pipe
1
2
b
1
2
a
38 UMFLUXUSF721BV1-1EN, 2017-01-23
5 Installation FLUXUS F721
• Pull the tension strap firmly and engage it in the inner hooks of the clasp.
• Tighten the screws of the clasp.
5.3.2.3 Installation with a Quick Release Clasp
• Cut the tension strap to length (pipe circumference + at least 120 mm).
• Position the temperature probe on the pipe (see Fig. 5.56).
• Place the tension strap around the temperature probe and the pipe.
• Insert the tension strap into the clasp (see Fig. 5.58).
• Tighten the tension strap.
• Tighten the screw of the clasp.
5.3.3 Installation of the Temperature Probe (Response Time 8 s)
• Fix the protection plate and the insulation foam to the temperature probe (see Fig. 5.59).
• Take the spring end of the ball chain and insert the last ball into one of the slots on the upper side of the temperature probe (see Fig. 5.60).
• Place the chain around the pipe. Tighten the chain and insert it into the other slot of the temperature probe.
Fig. 5.57: FLEXIM clasp
Fig. 5.58: Quick release clasp
Fig. 5.59: Temperature probe
Note! The entire contact surface of the temperature probe always has to rest on the pipe. In case of very small pipes, the protection plate and the insulation foam have to be cut to size, if necessary.
Fig. 5.60: Temperature probe on the pipe
1
2
temperature sensor
protection plate
insulation foam
spring end
chain
slots on the upperside of thetemperature probe
UMFLUXUSF721BV1-1EN, 2017-01-23 39
FLUXUS F721 6 Connection to the Transmitter
6 Connection to the Transmitter
6.1 Transducers
It is recommended to run the cables from the measuring point to the transmitter before connecting the transducers to avoid load on the connectors.
For the connection of the transducer cable to the transmitter see section 6.1.1.
For the connection of the extension cable to the transmitter see section 6.1.2.
For the connection of the transducer cable to the junction box see section 6.1.3.
For the connection of the extension cable to the junction box see section 6.1.4.
Note! If transducers are replaced or added, the sensor module also has to be replaced or added (see sec-tion 6.2).
Fig. 6.1: Connection of the transducers to the transmitter
A B
SNAP
DISP
DISP
MODEFAST
MUX
NEXTQON
Q+Q-
3x QOFF
LAN USB
A+ B- P1+ P2+ P3+ P4+ P5a P6a P7a
S S P1- P2- P3- P4- P5b P6b P7b
T1AAV+
X2 X3X_AV
KL11
KL12
KL7
KL8
KL9
KL10
KL4
X_AR X_BV X_BR
AV- S AR- AR+ BV+ BV- S BR- BR+ T1B S1 T2A T2B T3A T3B S3 T4BT4A
T1a T1b S1 T2a T2b T3a T3b S3 T4bT4a
N(-)PE L(+)
transducersmeasuring channel B
transducers measuring channel A
AV+
X2 X3X_AV
KL11
KL12
X_AR X_BV X_BR
AV- S AR- AR+ BV+ BV- S BR- BR+
40 UMFLUXUSF721BV1-1EN, 2017-01-23
6 Connection to the Transmitter FLUXUS F721
6.1.1 Connection of the Transducer Cable to the Transmitter
Transducer Cable with SMB Connectors
• Remove the blind plug for the connection of the transducer cable (see Fig. 6.2).
• Insert the transducer cable with the SMB connectors into the housing.
• Fix the transducer cable by tightening the cable gland.
• Connect the SMB connectors to the sockets of the transmitter (see Fig. 6.1, Fig. 6.2 and Tab. 6.1).
Attention! Observe the "Safety Instructions for the Use in Explosive Atmosphere" (see document SIFLUXUS).
Attention! The degree of protection of the transmitter is ensured only if the cable glands are firmly tightened and the housing is tightly screwed.
Attention! Observe the "Safety Instructions for the Use in Explosive Atmosphere" (see document SIFLUXUS).
Tab. 6.1: Terminal assignment (transducer cable)
terminal connection
X_AV SMB connector (brown cable, marked white)
X_AR SMB connector (brown cable, marked black)
Fig. 6.2: Connection of the transducer cable with SMB connectors to the transmitter
A B
SNAP
DISP
DISP
MODEFAST
MUX
NEXTQON
Q+Q-
3x QOFF
LAN USB
A+ B- P1+ P2+ P3+ P4+ P5a P6a P7a
S S P1- P2- P3- P4- P5b P6b P7b
T1AAV+
X2 X3X_AV
KL11
KL12
KL7
KL8
KL9
KL10
KL4
X_AR X_BV X_BR
AV- S AR- AR+ BV+ BV- S BR- BR+ T1B S1 T2A T2B T3A T3B S3 T4BT4A
T1a T1b S1 T2a T2b T3a T3b S3 T4bT4a
N(-)PE L(+)
SMB connector
cable gland
UMFLUXUSF721BV1-1EN, 2017-01-23 41
FLUXUS F721 6 Connection to the Transmitter
Transducer Cable with Plastic Cable Jacket and Stripped Cable Ends
• Remove the blind plug for the connection of the transducer cable (see Fig. 6.3).
• Open the cable gland of the transducer cable. The compression part remains in the cap nut.
• Push the transducer cable through the cap nut and the compression part.
• Prepare the transducer cable.
• Cut the external shield and brush it back over the compression part.
• Screw the gasket ring side of the basic part tightly into the housing of the transmitter.
• Insert the transducer cable into the housing.
• Fix the cable gland by screwing the cap nut onto the basic part.
• Connect the leads of the transducer cable to the terminals of the transmitter (see Fig. 6.1, Fig. 6.2 and Tab. 6.1).
Attention! Observe the "Safety Instructions for the Use in Explosive Atmosphere" (see document SIFLUXUS).
Attention! For good high frequency shielding, it is important to ensure good electrical contact between the exter-nal shield and the cap nut (and the housing).
Tab. 6.2: Terminal assignment
terminal connection
AV+ transducer (core)
AV- transducer (internal shield)
AR- transducer (inner shield)
AR+ transducer (core)
Fig. 6.3: Connection of the transducer cable with plastic cable jacketand stripped cable ends to the transmitter
external shield,brushed back
cap nut
compression part
basic part
70
mm
20
mm
cable gland
A B
SNAP
DISP
DISP
MODEFAST
MUX
NEXTQON
Q+Q-
3x QOFF
LAN USB
A+ B- P1+ P2+ P3+ P4+ P5a P6a P7a
S S P1- P2- P3- P4- P5b P6b P7b
T1AAV+
X2 X3X_AV
KL11
KL12
KL7
KL8
KL9
KL10
KL4
X_AR X_BV X_BR
AV- S AR- AR+ BV+ BV- S BR- BR+ T1B S1 T2A T2B T3A T3B S3 T4BT4A
T1a T1b S1 T2a T2b T3a T3b S3 T4bT4a
N(-)PE L(+)
10
mm
42 UMFLUXUSF721BV1-1EN, 2017-01-23
6 Connection to the Transmitter FLUXUS F721
Transducer Cable with Stainless Steel Conduit and Stripped Cable Ends
• Remove the blind plug for the connection of the transducer cable (see Fig. 6.4).
• Insert the transducer cable into the housing.
• Fix the transducer cable by tightening the cable gland.
• Connect the transducer cable to the terminals of the transmitter (see Fig. 6.1, Fig. 6.4 and Tab. 6.3).
Attention! Observe the "Safety Instructions for the Use in Explosive Atmosphere" (see document SIFLUXUS).
Tab. 6.3: Terminal assignment (transducer cable)
terminal connection
AV+ transducer (white cable, marked white)
AV- transducer (red cable)
AR- transducer (red cable)
AR+ transducer (white cable)
Fig. 6.4: Connection of the transducer cablewith stainless steel conduit and stripped cable ends to the transmitter
A B
SNAP
DISP
DISP
MODEFAST
MUX
NEXTQON
Q+Q-
3x QOFF
LAN USB
A+ B- P1+ P2+ P3+ P4+ P5a P6a P7a
S S P1- P2- P3- P4- P5b P6b P7b
T1AAV+
X2 X3X_AV
KL11
KL12
KL7
KL8
KL9
KL10
KL4
X_AR X_BV X_BR
AV- S AR- AR+ BV+ BV- S BR- BR+ T1B S1 T2A T2B T3A T3B S3 T4BT4A
T1a T1b S1 T2a T2b T3a T3b S3 T4bT4a
N(-)PE L(+)
cable gland
UMFLUXUSF721BV1-1EN, 2017-01-23 43
FLUXUS F721 6 Connection to the Transmitter
6.1.2 Connection of the Extension Cable to the Transmitter
Extension Cable with SMB Connectors
• Remove the left blind plug for the connection of the extension cable (see Fig. 6.5).
• Insert the extension cable with the SMB connectors into the housing.
• Fix the extension cable by tightening the cable gland.
• Connect the SMB connectors to the sockets of the transmitter (see Fig. 6.1, Fig. 6.5 and Tab. 6.4).
• Connect the connectors of the transducer cable and the extension cable.
Attention! Observe the "Safety Instructions for the Use in Explosive Atmosphere" (see document SIFLUXUS).
Tab. 6.4: Terminal assignment
terminal connection
X_AV SMB connector (white or marked cable)
X_AR SMB connector (brown cable)
Fig. 6.5: Connection of the extension cable with SMB connectors to the transmitter
extension cable
transducer cable
connector of the extension cable
cable gland
SMB connector
A B
SNAP
DISP
DISP
MODEFAST
MUX
NEXTQON
Q+Q-
3x QOFF
LAN USB
A+ B- P1+ P2+ P3+ P4+ P5a P6a P7a
S S P1- P2- P3- P4- P5b P6b P7b
T1AAV+
X2 X3X_AV
KL11
KL12
KL7
KL8
KL9
KL10
KL4
X_AR X_BV X_BR
AV- S AR- AR+ BV+ BV- S BR- BR+ T1B S1 T2A T2B T3A T3B S3 T4BT4A
T1a T1b S1 T2a T2b T3a T3b S3 T4bT4a
N(-)PE L(+)
44 UMFLUXUSF721BV1-1EN, 2017-01-23
6 Connection to the Transmitter FLUXUS F721
Extension Cable with Plastic Cable Jacket and Stripped Cable Ends
• Remove the left blind plug for the connection of the extension cable (see Fig. 6.6).
• Open the cable gland of the extension cable. The compression part remains in the cap nut.
• Push the extension cable through the cap nut and the compression part.
• Prepare the extension cable.
• Cut the external shield and brush it back over the compression part.
• Screw the gasket ring side of the basic part tightly into the housing of the transmitter.
• Insert the extension cable into the housing.
• Fix the cable gland by screwing the cap nut onto the basic part.
• Connect the extension cable to the terminals of the transmitter (see Fig. 6.1, Fig. 6.6 and Tab. 6.5).
Attention! Observe the "Safety Instructions for the Use in Explosive Atmosphere" (see document SIFLUXUS).
Attention! For good high frequency shielding, it is important to ensure good electrical contact between the exter-nal shield and the cap nut (and the housing).
Tab. 6.5: Terminal assignment
terminal connection
AV+ white or marked cable (core)
AV- white or marked cable (shield)
AR- brown cable (shield)
AR+ brown cable (core)
Fig. 6.6: Connection of the extension cable with plastic cable jacketand stripped cable ends to the transmitter
70
mm
20
mm
extension cable
external shield,brushed back
A B
SNAP
DISP
DISP
MODEFAST
MUX
NEXTQON
Q+Q-
3x QOFF
LAN USB
A+ B- P1+ P2+ P3+ P4+ P5a P6a P7a
S S P1- P2- P3- P4- P5b P6b P7b
T1AAV+
X2 X3X_AV
KL11
KL12
KL7
KL8
KL9
KL10
KL4
X_AR X_BV X_BR
AV- S AR- AR+ BV+ BV- S BR- BR+ T1B S1 T2A T2B T3A T3B S3 T4BT4A
T1a T1b S1 T2a T2b T3a T3b S3 T4bT4a
N(-)PE L(+)
cap nut
compression part
basic part
cable gland
10
mm
UMFLUXUSF721BV1-1EN, 2017-01-23 45
FLUXUS F721 6 Connection to the Transmitter
6.1.3 Connection of the Transducer Cable to the Junction Box
Transducer Cable with SMB Connectors
• Remove the right blind plug for the connection of the transducer cable (see Fig. 6.7).
• Insert the transducer cable with the SMB connectors into the junction box.
• Fix the transducer cable by tightening the cable gland.
• Connect the SMB connectors to the sockets of the junction box (see Fig. 6.7 and Tab. 6.6).
Transducer Cable with Plastic Cable Jacket and Stripped Cable Ends
• Remove the right blind plug for the connection of the transducer cable (see Fig. 6.9).
• Open the cable gland of the transducer cable. The compression part remains in the cap nut (see Fig. 6.8).
• Push the transducer cable through the cap nut and the compression part. Prepare the transducer cable.
• Cut the external shield and brush it back over the compression part.
• Screw the gasket ring side of the basic part into the junction box.
• Insert the transducer cable into the junction box.
• Fix the cable gland by screwing the cap nut onto the basic part.
• Connect the transducer cable to the terminals of the junction box (see Fig. 6.10 or Fig. 6.11 and Tab. 6.7).
Attention! Observe the "Safety Instructions for the Use in Explosive Atmosphere" (see document SIFLUXUS).
Tab. 6.6: Terminal assignment
terminal connection
XV SMB connector (brown cable, marked white)
XR SMB connector (brown cable, marked black)
Fig. 6.7: Connection of the transducer cable with SMB connectors
Attention! Observe the "Safety Instructions for the Use in Explosive Atmosphere" (see document SIFLUXUS).
Attention! For good high frequency shielding, it is important to ensure good electrical contact between the exter-nal shield and the cap nut (and the junction box).
SMB connector
transducer cable
cable gland
junction box JB02, JB03
46 UMFLUXUSF721BV1-1EN, 2017-01-23
6 Connection to the Transmitter FLUXUS F721
Tab. 6.7: Terminal assignment (KL1)
terminal (JBP2, JBP3) terminal (JB01) connection
TV V transducer (core)
TVS VS transducer (shield)
TRS RS transducer (shield)
TR R transducer (core) Fig. 6.8: Cable gland
Fig. 6.9: Connection of the transducer cable with plastic cable jacket and stripped cable ends
Fig. 6.10: Terminal designation (junction box JBP2, JBP3) Fig. 6.11: Terminal designation (junction box JB01)
cap nut
compression part
basic part
10
0 m
m
20
mm
10
mm
!
!
" "
external shield,brushed back
!
!
" "
!
!
" "
UMFLUXUSF721BV1-1EN, 2017-01-23 47
FLUXUS F721 6 Connection to the Transmitter
Transducer Cable with Stainless Steel Conduit and Stripped Cable Ends
• Remove the right blind plug for the connection of the transducer cable (see Fig. 6.12).
• Insert the transducer cable into the junction box.
• Fix the transducer cable by tightening the cable gland.
• Connect the transducer cable to the terminals of the junction box (see Fig. 6.11, Fig. 6.12 and Tab. 6.8).
Attention! Observe the "Safety Instructions for the Use in Explosive Atmosphere" (see document SIFLUXUS).
Tab. 6.8: Terminal assignment (KL1)
terminal (JB01) connection
V transducer (white cable, marked white)
VS transducer (red cable)
RS transducer (red cable)
R transducer (white cable)
Fig. 6.12: Connection of the transducer cable with stainless steel conduit and stripped cable ends
V VS RRS
cable gland
junction box JB01
48 UMFLUXUSF721BV1-1EN, 2017-01-23
6 Connection to the Transmitter FLUXUS F721
6.1.4 Connection of the Extension Cable to the Junction Box
6.1.4.1 Without Potential Separation (Standard)
The connection of an extension cables to a junction box without potential separation ensures that transducer, junction box and transmitter are on the same potential. The extension cable should always be connected that way especially if power cables are laid near the extension cable.
See section 6.1.4.2 if earthing on the same potential cannot be ensured.
• Remove the blind plug for the connection of the extension cable (see Fig. 6.13).
• Open the cable gland of the extension cable. The compression part remains in the cap nut.
• Push the extension cable through the cap nut and the compression part.
• Prepare the extension cable.
• Cut the external shield and brush it back over the compression part.
• Screw the gasket ring side of the basic part into the junction box.
• Insert the extension cable into the junction box.
• Fix the cable gland by screwing the cap nut onto the basic part.
• Connect the extension cable to the terminals of the transmitter (see Fig. 6.13 and Tab. 6.9).
Attention! Observe the "Safety Instructions for the Use in Explosive Atmosphere" (see document SIFLUXUS).
Fig. 6.13: Connection of the extension cable and the transducer cableto the junction box JBxx (example with JB01)
Attention! For good high frequency shielding, it is important to ensure good electrical contact between the exter-nal shield and the cap nut (and the junction box).
100
mm
20
mm
10
mm
external shield,brushed back
extension cable
extension cable transducer cable
cap nut
compression part
basic part
cable gland
external shield,brushed back
UMFLUXUSF721BV1-1EN, 2017-01-23 49
FLUXUS F721 6 Connection to the Transmitter
50
Tab. 6.9: Terminal assignment (extension cable, KL2)
terminal connection
TV white or marked cable (core)
TVS white or marked cable (internal shield)
TRS brown cable (internal shield)
TR brown cable (core)
cable gland external shield
UMFLUXUSF721BV1-1EN, 2017-01-23
6 Connection to the Transmitter FLUXUS F721
6.1.4.2 With Potential Separation
If earthing on the same potential cannot be ensured e.g., in measurement arrangements with long extension cables, ex-tension cables and junctions boxes have to be insulated from each other. The junction box and the transducers have to be on the same potential. Thus, no transient currents can enter the transmitter via the extension cable.
• Remove the blind plug for the connection of the extension cable (see Fig. 6.14).
• Open the cable gland of the extension cable. The compression part remains in the cap nut.
• Push the extension cable through the cap nut, the compression part and the basic part of the cable gland.
• Insert the extension cable into the junction box.
• Prepare the extension cable.
• Cut the outer shield and brush it back.
• Pull the extension cable back until the brushed back external shield is below the shield terminal (see Fig. 6.14). The ex-tension cable must remain completely insulated up to the shield terminal.
• Screw the gasket ring side of the basic part into the junction box.
• Fix the cable gland by screwing the cap nut onto the basic part.
• Fix the extension cable and the external shield to the shield terminal.
• Connect the extension cable to the terminals of the transmitter (see Fig. 6.14 and Tab. 6.10).
Note! For the installation of transducers to pipes with a cathodic corrosion protection see document TI-FLUXUS_GalvSep.
Attention! Observe the "Safety Instructions for the Use in Explosive Atmosphere" (see document SIFLUXUS).
Fig. 6.14: Connection of the extension cable and the transducer cable to the junction box JBxx (example with JB01)
Attention! The external shield of the extension cable must not have electrical contact to the junction box. There-fore, the extension cable must remain completely insulated up to the shield terminal.
!
!
" "
100
mm
20 m
m
10
mm
cable gland
external shield,brushed back
extension cable
cap nut compression part basic part
!
!
shield terminal
extension cable transducer cable
external shield
UMFLUXUSF721BV1-1EN, 2017-01-23 51
FLUXUS F721 6 Connection to the Transmitter
Tab. 6.10: Terminal assignment (extension cable, KL2)
terminal connection
TV white or marked cable (core)
TVS white or marked cable (internal shield)
TRS brown cable (internal shield)
TR brown cable (core)
shield terminal external shield
52 UMFLUXUSF721BV1-1EN, 2017-01-23
6 Connection to the Transmitter FLUXUS F721
UMFLUXUSF721BV1-1EN, 2017-01-23 53
6.2 Sensor Module (SENSPROM)
The sensor module contains important transducer data for the operation of the transmitter with the transducers.
If transducers are replaced or added, the sensor module has to be replaced or added.
The sensor module is connected to the terminals of the transmitter (see Fig. 6.15).
• Disconnect the power supply from the transmitter.
• Insert the sensor module into the terminal strip for sensor modules (see Fig. 6.1 and Fig. 6.15). The slots X2 are assigned to the transducers of measuring channel A, the slots X3 are assigned to the transducers of measuring channel B.
• Connect the transmitter to the power supply.
• Enter all parameters of the program branch Parameter.
• Start the measurement.
Attention! Observe the "Safety Instructions for the Use in Explosive Atmosphere" (see document SIFLUXUS).
Note! The serial number of sensor module and transducer have to be identical. A wrong or incorrectly con-nected sensor module will lead to incorrect measured values or to a measurement failure.
Fig. 6.15: Sensor module
A B
SNAP
DISP
DISP
MODEFAST
MUX
NEXTQON
Q+Q-
3x QOFF
LAN USB
A+ B- P1+ P2+ P3+ P4+ P5a P6a P7a
S S P1- P2- P3- P4- P5b P6b P7b
T1AAV+
X2 X3X_AV
KL11
KL12
KL7
KL8
KL9
KL10
KL4
X_AR X_BV X_BR
AV- S AR- AR+ BV+ BV- S BR- BR+ T1B S1 T2A T2B T3A T3B S3 T4BT4A
T1a T1b S1 T2a T2b T3a T3b S3 T4bT4a
N(-)PE L(+)
sensor modulemeasuring channel B
sensor module measuring channel A
FLUXUS F721 6 Connection to the Transmitter
6.3 Power Supply
• Connect the external protective earth to the equipotential bonding terminal on the housing of the transmitter (see Fig. 6.16). It must always to be connected.
• Connect the power cable to the transmitter.
For the connection of the power cable to the transmitter, see box Cable Connection, Fig. 6.18 and Tab. 6.11.
Attention! Observe the "Safety Instructions for the Use in Explosive Atmosphere" (see document SIFLUXUS).
Attention! According to IEC 61010-1:2010, a switch has to be provided near the measuring instrument in the building installation, easily accessible for the user and marked as a disconnection device for the mea-suring instrument.
If the transmitter FLUXUS F721**-A20*S is used in an explosive atmosphere, the switch should be installed outside the explosive atmosphere. If this is not possible, the switch should be installed in the least hazardous area.
Attention! The degree of protection of the transmitter will only be guaranteed if the power cable fits firmly and tightly in the cable gland.
Fig. 6.16: Equipotential bonding terminal on the transmitter
Cable Connection
• Remove the blind plug from the transmitter for the connection of the cable (if present).
• Prepare the cable with a cable gland.
• Push the cable through the cap nut, the compression part and the ba-sic part of the cable gland.
• Insert the cable into the housing of the transmitter.
• Screw the gasket ring side of the basic part tightly into the housing of the transmitter.
• Fix the cable gland by screwing the cap nut onto the basic part.
• Connect the cable to the terminals of the transmitter.
Fig. 6.17: Cable gland
Fig. 6.18: Connection of the power supply to the transmitter
equipotential bonding terminal FLUXUS F721 with stainless steel housing
equipotential bonding terminal FLUXUS F721 with aluminum housing
cap nut
compression part
basic part
KL4
N(-)PE L(+)
A B
SNAP
DISP
DISP
MODEFAST
MUX
NEXTQON
Q+Q-
3x QOFF
LAN USB
A+ B- P1+ P2+ P3+ P4+ P5a P6a P7a
S S P1- P2- P3- P4- P5b P6b P7b
T1AAV+
X2 X3X_AV
KL11
KL12
KL7
KL8
KL9
KL10
KL4
X_AR X_BV X_BR
AV- S AR- AR+ BV+ BV- S BR- BR+ T1B S1 T2A T2B T3A T3B S3 T4BT4A
T1a T1b S1 T2a T2b T3a T3b S3 T4bT4a
N(-)PE L(+)
fuse
58 UMFLUXUSF721BV1-1EN, 2017-01-23
6 Connection to the Transmitter FLUXUS F721
6.4 Outputs
• Connect the output cable to the transmitter.
For the connection of the output cable to the transmitter, see box Cable Connection p. 54 Fig. 6.19 and Tab. 6.12.
Tab. 6.11: Terminal assignment
terminal connection AC connection DC
PE earth earth
N(-) neutral - DC
L(+) phase 100...230 V AC, 50...60 Hz + DC
fuse 1 A, time-lag 1.6 A, time-lag
Attention! Observe the "Safety Instructions for the Use in Explosive Atmosphere" (see document SIFLUXUS).
Attention! The outputs can only be connected to a low voltage circuit (max. 30 V AC or 42 V DC against earth).
Fig. 6.19: Connection of the outputs to the transmitter
Tab. 6.12: Circuits of the outputs
output transmitter external circuits comments
internal circuits connection
active current loop Rext < 500 Ω
passive current loop Uext = 4...24 V
Uext > 0.021 A . Rext [Ω] + 4 V
Example:Uext = 12 VRext ≤ 380 Ω
The number, type and the connections of the outputs depend on the order.
Rext is the sum of all ohmic resistances in the circuit (e.g., resistance of the conductors, resistance of the amperemeter/voltmeter).
A B
SNAP
DISP
DISP
MODEFAST
MUX
NEXTQON
Q+Q-
3x QOFF
LAN USB
A+ B- P1+ P2+ P3+ P4+ P5a P6a P7a
S S P1- P2- P3- P4- P5b P6b P7b
T1AAV+
X2 X3X_AV
KL11
KL12
KL7
KL8
KL9
KL10
KL4
X_AR X_BV X_BR
AV- S AR- AR+ BV+ BV- S BR- BR+ T1B S1 T2A T2B T3A T3B S3 T4BT4A
T1a T1b S1 T2a T2b T3a T3b S3 T4bT4a
N(-)PE L(+)
A+ B- P1+ P2+ P3+ P4+ P5a P6a P7a
S S P1- P2- P3- P4- P5b P6b P7b
KL9
KL10
+
-
Px+
Px-
mA+
-
Px+
Px-
mA
Uext
-
+
UMFLUXUSF721BV1-1EN, 2017-01-23 59
FLUXUS F721 6 Connection to the Transmitter
switchablecurrent loop
All switchable current outputs are jointly switched to active and passive.
active current loop:Rext < 350 Ω
passive current loop:Uext = 8...30 V
Uext > 0.021 A . Rext [Ω] + 8 V
Example:Uext = 12 VRext = ≤ 190 Ω
HART (active) Uint = 24 V
HART (passive) Uext = 10...24 V
voltage output Rint = 500 Ω
Rext > 2 MΩ
If Rext is smaller, the accuracy is smaller than specified.
frequency output Uext = 5...24 V
Rc [kΩ] = Uext/Ic [mA]
Ic = 1...4 mA
Ri = 66.5 Ω
binary output (optorelay) Uext ≤ 26 V
Ic ≤ 100 mA
Tab. 6.12: Circuits of the outputs
output transmitter external circuits comments
internal circuits connection
The number, type and the connections of the outputs depend on the order.
Rext is the sum of all ohmic resistances in the circuit (e.g., resistance of the conductors, resistance of the amperemeter/voltmeter).
+
-
Px+
Px-
mA+
-
Px+
Px-
mA
Uext
-
+
ƒG
Uint
+
-
Px+
Px-
ƒGmA
ƒG
Px+
Px-
ƒG
Uext
mA
+
-
Ri
+
-
Px+
Px-
V+
-
Ri
Px+
Px-
Rc
UextV
+
-
Pxa
Pxb
Rc
UextV
+
-
58 UMFLUXUSF721BV1-1EN, 2017-01-23
6 Connection to the Transmitter FLUXUS F721
6.5 Inputs
6.5.1 Current Input
An active or a passive current source can be connected to the current inputs of the transmitter (active current source: with own power supply, passive current source: with external power supply).
Connection of an Active Current Source
binary output (open collector) Uext = 5...24 V
Rc [kΩ] = Uext/Ic [mA]
Ic = 1...4 mA
P1...P4: Ri = 22 Ω
binary output (Reed relay) Umax = 48 V
Imax = 100 mA
P1...P4: Rint = 22 Ω
RS485 120 Ωtermination resistor
shield S
Attention! Observe the "Safety Instructions for the Use in Explosive Atmosphere" (see document SIFLUXUS).
Attention! The inputs can only be connected to a low voltage circuit (max. 30 V AC or 42 V DC against earth).
Fig. 6.20: Connection of the inputs to the transmitter
Attention! The terminals Txa and Txb must not be connected.
Tab. 6.12: Circuits of the outputs
output transmitter external circuits comments
internal circuits connection
The number, type and the connections of the outputs depend on the order.
Rext is the sum of all ohmic resistances in the circuit (e.g., resistance of the conductors, resistance of the amperemeter/voltmeter).
Ri
Px+/Pxa
Px-/Pxb
Rc
UextV
+
-
a
bRint
Px+/Pxa
Px-/Pxb
A+
B-
A B
SNAP
DISP
DISP
MODEFAST
MUX
NEXTQON
Q+Q-
3x QOFF
LAN USB
A+ B- P1+ P2+ P3+ P4+ P5a P6a P7a
S S P1- P2- P3- P4- P5b P6b P7b
T1AAV+
X2 X3X_AV
KL11
KL12
KL7
KL8
KL9
KL10
KL4
X_AR X_BV X_BR
AV- S AR- AR+ BV+ BV- S BR- BR+ T1B S1 T2A T2B T3A T3B S3 T4BT4A
T1a T1b S1 T2a T2b T3a T3b S3 T4bT4a
N(-)PE L(+)
T1A
KL7
KL8
T1B S1 T2A T2B T3A T3B S3 T4BT4A
T1a T1b S1 T2a T2b T3a T3b S3 T4bT4a
UMFLUXUSF721BV1-1EN, 2017-01-23 59
FLUXUS F721 6 Connection to the Transmitter
For the connection of the input cable to the transmitter, see box Cable Connection p. 54, Fig. 6.20 and Tab. 6.13.
If the polarity of the current source is inversed, only the sign of the measured current will change. For the assignment and the activation of the current input see user manual – Advanced Functions, chapter 6.
Connection of a Passive Current Source
For the connection of the input cable to the transmitter, see box Cable Connection p. 54, Fig. 6.20 and Tab. 6.14.
At full load (20 mA), a voltage of 22.9 V DC is available for the supply of the passive current source.
For the assignment and the activation of the current input see user manual – Advanced Functions, chapter 6.
6.5.2 Binary Input
The transmitter can be equipped with 1 or 4 binary inputs. Binary inputs are able to process physical quantities with short pulse times.
Via the binary inputs, it is possible to remotely trigger some functions of the transmitter (see user manual – Advanced Functions, section 8.6).
For the connection of the input cable to the transmitter, see box Cable Connection p. 54, Fig. 6.19 and Tab. 6.15).
Tab. 6.13: Connection of an active current source
input transmitter external circuit comments
internal circuit connection
current input
max. permanent over-current: 100 mA
Attention! The terminals Txa and TxB must not be connected.
Attention! Observe the correct polarity in order to avoid damaging the current source. A permanent short circuit can lead to the destruction of the current input.
Tab. 6.14: Connection of a passive current source
input transmitter external circuit comments
internal circuit connection
current input
max. Dauerüberstrom: 100 mA
Tab. 6.15: Connection of the binary inputs
binary input terminal
S1 Px+, Px-
S2 Px+, Px-
S3 Px+, Px-
S4 Px+, Px-
V
Ri
-
+
V Ri
TxA
TxB
TxB (not connected)
+
-
+
-
V
Ri
-
+
V Ri
TxA
TxB (not connected)
Txb
-
+
58 UMFLUXUSF721BV1-1EN, 2017-01-23
6 Connection to the Transmitter FLUXUS F721
6.6 Temperature Sensor
Temperature probes Pt100/Pt1000 (4-wire) can be connected to the inputs of the transmitter (optional).
For the assignment and the activation of the temperature inputs see user manual – Advanced Functions, chapter 6.
6.6.1 Direct Connection of the Temperature Probe
• Remove the blind plug for the connection of the temperature probe (see Fig. 6.20).
• Open the cable gland of the temperature probe. The compression part remains in the cap nut (see Fig. 6.21 and Tab. 6.16).
• Push the cable of the temperature probe through the cap nut, the compression part, the basic part, and the reducer.
• Prepare the cable.
• Insert the cable into the housing.
• Screw the gasket ring side of the reducer tightly into the housing of the transmitter.
• Tightly screw the basic part into the reducer.
• Fix the cable gland by screwing the cap nut onto the basic part.
• Connect the temperature probe to the terminals of the transmitter (see Fig. 6.20 and Tab. 6.17).
Attention! Observe the "Safety Instructions for the Use in Explosive Atmosphere" (see document SIFLUXUS).
Tab. 6.16: Connection systems
direct connection connection withextension cable
connection withjunction box
Attention! Observe the "Safety Instructions for the Use in Explosive Atmosphere" (see document SIFLUXUS).
tem
pe
ratu
re s
en
sor
transmitter
ext
en
sio
n ca
ble
tem
pe
ratu
re s
enso
r
transmitter transmitter
ext
ens
ion
cab
le
tem
pe
ratu
re s
en
sor
transmitter
UMFLUXUSF721BV1-1EN, 2017-01-23 59
FLUXUS F721 6 Connection to the Transmitter
6.6.2 Connection with an Extension Cable
• Remove the left blind plug for the connection of the extension cable (see Fig. 6.20).
• Open the cable gland of the extension cable. The compression part remains in the cap nut (see Fig. 6.21 and Tab. 6.16).
• Push the extension cable through the cap nut, the compression part, the basic part, and the reducer.
• Prepare the extension cable.
• Insert the extension cable into the housing.
• Screw the gasket ring side of the reducer tightly into the housing of the transmitter.
• Tightly screw the basic part into the reducer.
• Fix the cable gland by screwing the cap nut onto the basic part.
• Connect the connectors of the extension cable and the temperature probe.
• Connect the extension cable to the terminals of the transmitter (see Fig. 6.20 and Tab. 6.18).
Fig. 6.21: Cable gland and preparation
Tab. 6.17: Terminal assignment of the transmitter
terminal temperature sensor
Fig. 6.22: Temperature probe
T1a...T4a red
T1A...T4A red/blue
T1b...T4b white/blue
T1B...T4B white
S1...S4 shield
Attention! Observe the "Safety Instructions for the Use in Explosive Atmosphere" (see document SIFLUXUS).
Tab. 6.18: Terminal assignment of the transmitter
terminal extension cable
T1a...T4a red
T1A...T4A gray
T1b...T4b blue
T1B...T4B white
S1...S4 shield
external shield, brushed back
cap nut compression part basic part
110 mm
reduction
gasket ring side
7 mm
redred/blue white/blue white
60 UMFLUXUSF721BV1-1EN, 2017-01-23
6 Connection to the Transmitter FLUXUS F721
6.6.3 Connection with Junction Box
Connection to the Transmitter
• Remove the left blind plug for the connection of the extension cable (see Fig. 6.20).
• Open the cable gland of the extension cable. The compression part remains in the cap nut (see Fig. 6.21 and Tab. 6.16).
• Push the extension cable through the cap nut, the compression part, the basic part, and the reducer.
• Prepare the extension cable.
• Insert the extension cable into the housing.
• Screw the gasket ring side of the reducer tightly into the housing of the transmitter.
• Tightly screw the basic part into the reducer.
• Fix the cable gland by screwing the cap nut onto the basic part.
• Connect the extension cable to the terminals of the transmitter (see Fig. 6.20 and Tab. 6.18).
Connection of the Extension Cable to the Junction Box
• Remove the blind plug in the middle for the connection of the extension cable (see Fig. 6.23).
• Open the cable gland of the extension cable (see Fig. 6.21 and Tab. 6.16). The compression part remains in the cap nut.
• Push the extension cable through the cap nut and the compression part.
• Prepare the extension cable.
• Cut the external shield and brush it back over the compression part.
• Screw the gasket ring side of the reducer into the junction box (see Fig. 6.21).
• Tightly screw the basic part into the reducer.
• Insert the extension cable into the junction box.
• Fix the cable gland by screwing the cap nut onto the basic part.
• Connect the extension cable to the terminals of the transmitter (see Fig. 6.23 and Tab. 6.19).
Attention! Observe the "Safety Instructions for the Use in Explosive Atmosphere" (see document SIFLUXUS).
Fig. 6.23: Junction box JBT2, JBT3
KL2 KL1
extension cable temperature probe
UMFLUXUSF721BV1-1EN, 2017-01-23 61
FLUXUS F721 6 Connection to the Transmitter
Connection of the Temperature Probe to the Junction Box
• Remove the blind plug for the connection of the temperature probe (see Fig. 6.23).
• Open the cable gland of the temperature probe (see Fig. 6.21 and Tab. 6.16). The compression part remains in the cap nut.
• Push the cable of the temperature probe through the cap nut and the compression part.
• Prepare the cable.
• Cut the external shield and brush it back over the compression part.
• Screw the gasket ring side of the reducer into the junction box.
• Tightly screw the basic part into the reducer.
• Insert the cable into the junction box.
• Fix the cable gland by screwing the cap nut onto the basic part.
• Connect the temperature probe to the terminals of the junction box (see Fig. 6.23 and Tab. 6.19).
Tab. 6.19: Terminal assignment of the junction box
terminal extension cable (KL2) temperature probe (KL1)
1 red red
2 gray red/blue
3 white white
4 blue white/blue
62 UMFLUXUSF721BV1-1EN, 2017-01-23
7 Start-up of the Transmitter FLUXUS F721
7 Start-up of the Transmitter
7.1 Switching OnAs soon as the transmitter is connected to the power supply, the menu is displayed with the default language. The lan-guage of the display can be set (see section 7.4).
For the operation of the transmitter see chapter 4.
If the transmitter was switched off during the measurement, the message Measurement started on active chan-nels will be displayed after connecting the transmitter to the power supply. The measurement is carried out with the pa-rameters last set.
By pressing key in the program branch Measurement the measurement can be stopped via the list item Stop mea-surement or the actual parameter setting can be displayed in Show parameters.
7.2 Operation State Indication
The operation state is indicated by LEDs (see Fig. 7.1).
Note! Parameters cannot be changed during the measurement. If the parameters are to be changed, the measurement has to be stopped.
Fig. 7.1: Command panel of the transmitter
Tab. 7.1: Operation state indication
status indication channel A Lights if the transmitter is in measuring mode and channel A is activated.
red - invalid measurement
green - valid measurement
status indication channel B Lights if the transmitter is in measuring mode and channel B is activated.
red - invalid measurement
green - valid measurement
LAN LED activity Lights if the transmitter is connected to a network via LAN cable. Flashes if a data ex-change on the network connection takes place.
LAN LED mode Lights if the data rate is 100 MBit/s, otherwise the data rate is 10 MBit/s.
USB LED device Lights steady if the device is connected to a PC via USB cable.Flashes if a data exchange between PC and device takes place.
A B
SNAP
DISP
DISP
MODEFAST
MUX
NEXTQON
Q+Q-
3x QOFF
LAN USB
A+ B- P1+ P2+ P3+ P4+ P5a P6a P7a
S S P1- P2- P3- P4- P5b P6b P7b
T1AAV+
X2 X3X_AV
KL11
KL12
KL7
KL8
KL9
KL10
KL4
X_AR X_BV X_BR
AV- S AR- AR+ BV+ BV- S BR- BR+ T1B S1 T2A T2B T3A T3B S3 T4BT4A
T1a T1b S1 T2a T2b T3a T3b S3 T4bT4a
N(-)PE L(+)
keyboardstatus indication channel A
status indication channel B
LAN LED mode
LAN LED activity USB LED host (not used)
USB LED device
UMFLUXUSF721BV1-1EN, 2017-01-23 63
FLUXUS F721 7 Start-up of the Transmitter
7.3 Program BranchesThe following contains an overview of the program branches. For a detailed overview of the menu structure see annex A.
7.4 Language Selection
The transmitter can be operated in various languages:
• Select the program branch Spec. functions\System settings\Language
• Select the language in the scroll list.
• Press ENTER.
After selecting the language the menu is displayed in the selected language. The selected language remains activated when the transmitter is switched off and on again. After an initialization of the transmitter, the language is reset to the de-fault language.
The selection of the language can also be performed via the input of a HotCode (see user manual – Advanced Functions, section 9.7).
Spec. functions\System settings\Language
Selection of themeasuring channel
Selection of themeasuring channel
Selection of themeasuring channel
System settings
Transducer parameters Measuring point number Physical quantity Inputs
Pipe parameters Sound path Unit of measurements Measurement
Fluid parameters Transducer distance Outputs Data logger
Display Diagnostic valuesWaveInjector
Transducer positioning
Assignation inputs Snap
Remote functions Communication
Event trigger Unit of measurements
Special settings Totalizer
Dialogs/menus
Store parameter record
Libraries
Measurement
Minimum Pipe Diameter
Parameter Measurement Options Spec. functions
64 UMFLUXUSF721BV1-1EN, 2017-01-23
7 Start-up of the Transmitter FLUXUS F721
7.5 InitializationDuring an initialization (INIT) of the transmitter, all settings are reset to the factory default settings.
Stored data are deleted.
Proceed as follows to execute an initialization:
• While switching on the transmitter: keep keys and C pressed.
• During the operation of the transmitter: press keys , C and ENTER at the same time. A RESET is executed. Release only key ENTER. Keep keys and C pressed.
After the initialization has been executed, the message Initialization activated is displayed.
7.6 Time and Date
The transmitter has a battery-powered clock. Measured values are automatically stored with the date and time.
• Select Time/date.
The adjusted time is displayed.
• Enter the current time above the numeric field.
• Press ENTER.
The adjusted date is displayed.
• Enter the current date above the numeric field.
• Press ENTER.
7.7 Instrument Information
• Select Device info.
• Press ENTER.
• Press key or to scroll through the list.
• Quit the menu by pressing key .
The following information relating to the transmitter are displayed:
Spec. functions\System settings\Time/date
Spec. functions\System settings\Device info
display description
Device type indicates the device type
Serial number indicates the serial number of the device
Firmware version indicates the version number of the installed software
Firmware date indicates the creation date of the installed software
MAC address indicates the MAC address of the device
UMFLUXUSF721BV1-1EN, 2017-01-23 65
FLUXUS F721 8 Measurement
8 Measurement
8.1 Parameter Input
The pipe and fluid parameters are entered for the selected mea-suring point. The parameter ranges are limited by the technical characteristics of the transducers and the transmitter.
• Select the program branch Parameter.
• Press ENTER.
• Select the channel for which the parameters are to be entered (here: channel A).
• Press ENTER.
The display will not be indicated if the transmitter has only one measuring channel.
8.1.1 Transducer Selection
• The transducer connected to the transmitter (here: CDP2E52), is displayed.
• Press ENTER.
The display will only be indicated if transducer and sensor mod-ule are connected to the transmitter.
The parameter input can also be carried out without connected transducer or sensor module.
• Select Connected transd. if neither transducer nor sensor module are connected to the transmitter.
• Press ENTER.
The display will not be indicated if a transducer and a sensor module are connected to a transmitter.
• Select Select transd. to use the standard transducer stored in the transmitter.
• Select the transducer.
• Press ENTER.
The display will not be indicated if a transducer and a sensor module are connected to a transmitter.
Note! All settings made are stored at the beginning of the measurement.
Parameter\Channel A
Note! The transducer has to be selected according to the inner pipe diameter (= outer pipe diameter - 2x pipe wall thickness) (see Technical Specifi-cation).
Parameter\Clamp-on-Sensor CDP2E52
Parameter\Connected transd.
Parameter\Select transd.
Note! If a standard transducer is selected, no transducer-specific calibration values are taken into account. A higher inaccuracy is to be expected.
Transducer
Select transd.Connected transd.
Outer diameter
Pipe material
Pipe wall thickness
Roughness
Lining
Fluid
Fluid temp.
Channel A
see annex p. 96
Parameter
66 UMFLUXUSF721BV1-1EN, 2017-01-23
8 Measurement FLUXUS F721
8.1.2 Input of the Pipe Parameters
Outer Pipe Diameter
• Enter the outer pipe diameter.
• Press ENTER.
It is possible to enter the pipe circumference instead of the outer pipe diameter.
Pipe Circumference
• Activate the input of the pipe circumference (see user manual – Advanced Functions, section 9.1).
• Press the key in the menu item Outer diameter. The menu item Pipe circumf. is displayed.
• Enter the pipe circumference.
• Press ENTER.
If the outer pipe diameter is to be entered, press key . The menu item Outer diameter is displayed.
Pipe Material
The pipe material has to be selected to be able to determine the corresponding sound speed.
The sound speeds for the materials in the scroll list are stored in the transmitter.
• Select the pipe material.
• Press ENTER.
• If the material is not in the scroll list, select Other material.
• Press ENTER.
Sound Speed of the Pipe Material
• Enter the sound speed of the pipe material.
• Press ENTER.
This display will only be indicated if Other material is selected.
For the sound speed of some materials see user manual – Advanced Functions, annex A.
Roughness of the Pipe Material
The flow profile of the fluid is influenced by the roughness of the inner pipe wall.
The roughness is used for the calculation of the profile correction factor.
In most cases, the pipe roughness cannot be determined exactly and consequently need to be estimated.
• If the pipe has a lining, press ENTER. The roughness of the lining will be included in the calculation.
• If the pipe does not have a lining, enter the roughness of the pipe material. Press ENTER.
This display will only be indicated if Other material is selected.
For the roughness of some materials see user manual – Advanced Functions, annex A.
Wall Thickness
• Enter the pipe wall thickness.
• Press ENTER.
Parameter\Outer diameter
Parameter\Pipe circumf.
Parameter\Pipe material
Parameter\Pipe material\Other material\c material
Note! For pipe materials there are 2 sound speeds, the longitudinal and the transversal one. Enter the one which is closer to 2500 m/s.
Parameter\Pipe material\Other material\Roughness
Parameter\Wall thickness
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Lining
• If the pipe has a lining, select Yes.
• If the pipe does not have a lining, select No.
• Press ENTER.
Lining Material
• Select the lining material.
• Press ENTER.
If the lining material is not included in the scroll list, select Other material.
• Press ENTER.
• This display will only be indicated if lining Yes is selected.
Sound Speed of the Lining Material
• Enter the sound speed of the lining material.
• Press ENTER.
This display will only be indicated if Other material is selected.
Roughness of the Lining Material
The flow profile of the fluid is influenced by the roughness of the inner pipe wall.
The roughness is used for the calculation of the profile correction factor.
In most cases, the pipe roughness cannot be determined exactly and consequently need to be estimated.
• Enter the roughness of the lining material.
• Press ENTER.
This display will only be indicated if Other material is selected.
Lining Thickness
• Enter the thickness of the lining.
• Press ENTER.
• This display will only be indicated if lining Yes is selected.
Roughness
The flow profile of the fluid is influenced by the roughness of the inner pipe wall.
The roughness is used for the calculation of the profile correction factor.
In most cases, the pipe roughness cannot be determined exactly and consequently need to be estimated.
• If Auto is selected, the roughness values stored in the transmitter are used.
• If User defined is selected, a roughness value has to be entered.
• Press ENTER.
The display will not be indicated if in the scroll list of the menu item Pipe material or Lining material the list item Other material is selected.
Parameter\Lining
Parameter\Lining material
Parameter\Lining material\Other material\c material
Note! For pipe materials there are 2 sound speeds, the longitudinal and the transversal one. Enter the one which is closer to 2500 m/s.
Parameter\Lining material\Other material\Roughness
Parameter\Lining thickness
Parameter\Roughness
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8.1.3 Input of the Fluid Parameters
Fluid
• Select the fluid from the scroll list.
• Press ENTER.
If the fluid is not in the scroll list, select Other fluid.
Sound Speed of the Fluid
The sound speed of the fluid is used for the calculation of the transducer distance. The exact value of the sound speed for a fluid is not always known. Therefore, a range of possible values for the sound speed has to be entered.
• Enter the average sound speed of the fluid.
• Press ENTER.
This display will only be indicated if Other fluid is selected.
Sound Speed Range of the Fluid
• Select Auto if the range around the average sound speed has to be set to ±10 % of the entered sound speed.
• Select User defined if the area around the average sound speed has to be entered.
• Press ENTER.
This display will only be indicated if Other fluid is selected.
• Enter the range around the average sound speed of the fluid.
• Press ENTER.
This display will only be indicated if User defined is selected.
Kinematic Viscosity of the Fluid
The kinematic viscosity influences the flow profile of the fluid. The value is included in the profile correction (see user man-ual – Advanced Functions, section 4.2)
• Enter the kinematic viscosity of the fluid.
• Press ENTER.
This display will only be indicated if Other fluid is selected.
Fluid Density
The density is used to calculate the mass flow.
If the mass flow is not measured, an input is unnecessary. The default value can be used.
• Enter the operating density of the fluid.
• Press ENTER.
This display will only be indicated if Other fluid is selected.
Parameter\Fluid
Parameter\Fluid\Other fluid\c fluid
Parameter\Fluid\Other fluid\Range c fluid
Parameter\Fluid\Other fluid\Range c fluid\User defined
Parameter\Fluid\Other fluid\Kin. viscosity
Parameter\Fluid\Other fluid\Fluid density
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Fluid Temperature
At the beginning of the measurement the fluid temperature is used for the interpolation of the sound speed and therefore for the calculation of the recommended transducer distance.
During the measurement, the fluid temperature is used for the interpolation of the density and the viscosity of the fluid.
The value entered here is used for the calculations if the fluid temperature is not measured and fed into the transmitter via an input.
• Enter the fluid temperature. The value has to be within the operating temperature range of the transducers.
• Press ENTER.
Fluid Pressure
The fluid pressure is used for the interpolation of the sound speed and the compressibility coefficient of the gas.
• Enter the fluid pressure.
• Press ENTER.
This display will only be indicated if in Spec. functions\Dialogs/Menus the menu item Edit fluid pres. or inSpec. functions\Measurement\Measurem. modes the list item Gas measurement is selected.
Parameter\Fluid temp.
Parameter\Fluid pressure
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8.2 Measurement Settings
• Select the program branch Options.
• Press ENTER.
• Select the channel for which the physical quantity is to be entered (here: channel A).
• Press ENTER.
This display will not be indicated if the transmitter has only one measuring channel.
• Select Measurement.
• Press ENTER.
8.2.1 Selection of the Physical Quantity
• Select Phys. quantity.
• Press ENTER.
8.2.2 Selection of the Unit of Measurement
For the selected physical quantity (except for the sound speed), a list with the available units of measurement is dis-played. The unit of measurement selected previously is dis-played first.
• Select the unit of measurement of the physical quantity.
• Press ENTER.
8.2.3 Input of the Damping Factor
Each displayed measured value is an average of the last x seconds, with x being the damping factor. If 0 s is entered as damping factor, no average will be generated.
The value of 10 s is appropriate for normal flow conditions. If the values fluctuate strongly, caused by a higher dynamic flow, a higher damping factor can be very useful.
• Enter the damping factor.
• Press ENTER.
8.2.4 Input of the Error Value Delay
The error value delay is the time interval after which the error value is transmitted to the output (see Tab. 8.3).
This display will only be indicated if in Spec. functions\Dialogs/Menus\Error val. delay the list item Edit is selected.
If the error value delay is not entered, the damping factor will be used.
• Enter a value for the error delay.
• Press ENTER.
• Press key to return to the program branch Options.
Options\Channel A
Options\Measurement\Phys. quantity
Options\Measurement\Phys. quantity\Volum. flow rate
Note! If the physical quantity or the unit of measurement is changed, the settings of the outputs have to be checked (see section 8.2.5).
Options\Channel A\Measurement\Damping
Options\Channel A\Measurement\Error val. delay
Channel …
Units of meas.
Flow velocity
Volum. flow rate
Mass flow rate
Mass
Heat flow
Measurement
Phys. quantity
Unit of meas.
Damping
Error val. delay
Quantity of heat
see annex p. 97
Options
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8.2.5 Configuration of the Output
If the transmitter is equipped with outputs, they have to be configured. In principle, the measured value or the status value of the selected physical quantity can be transmitted via the individual outputs.
In the following the configuration of the current output is described.
The configuration of voltage and frequency outputs is carried out analogous.
• Select the program branch Options.
• Press ENTER.
Selection of the Measuring Channel
• Select the channel to be assigned to an output (here: channel A).
• Press ENTER.
This display will not be indicated if the transmitter has only one measuring channel.
Assignment of an Output
• Select Outputs.
• Press ENTER.
• Select the output to be assigned to the channel (here: Current I1 (--)).
• Press ENTER.
The scroll list contains all outputs available in the transmitter:
– current IX (--)
– voltage UX (--)
– binary BX (--)
– frequency FX (--)
If the output has already been assigned to a channel, it is displayed as follows: Current I1 (A:).
• Select Yes to change the settings for an already assigned output or to assign a new output.
• Select No to cancel the assignment and to return to the previous menu item.
• Press ENTER.
Assignment of a Source Item
A source item has to be assigned to each selected output.
• Select the source item whose measured value, status value or event value is to be transmitted to the output (see Tab. 8.1).
• Press ENTER.
Options\Channel A
Options\Channel A\Outputs\Current I1(--)
Options\Channel A\Outputs\Current I1\Enable I1
Options\Channel A\Outputs\...\Source item
Tab. 8.1: Configuration of the outputs
source item list item output
Flow quantities Flow velocity
Volumetric flow rate
Mass flow rate
Heat flow
see annex p. 100
Options
Channel …
Outputs
Select output
Enable output
Source item
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Totalizers Pos. volume totalizer for the volumetric flow rate in positive flow direction
Neg. volume totalizer for the volumetric flow rate in negative flow direction
Volume diff. difference of the totalizers for positive and negative flow direction
Pos. mass totalizer for the mass flow rate in positive flow direction
Neg. mass totalizer for the mass flow rate in negative flow direction
Mass diff. difference of the totalizers for positive and negative flow direction
Pos. heat totalizer for the heat flow rate in positive flow direction
Neg. heat totalizer for the heat flow rate in negative flow direction
Heat diff. difference of the totalizers for the positive and negative flow direction
Impuls Pulse |V| pulse without sign consideration of the volumetric flow rate
Pulse +V pulse for positive measured values of the volumetric flow rate
Pulse -V pulse for negative measured values of the volumetric flow rate
Pulse |m| pulse without sign consideration of the mass flow rate
Pulse +m pulse for positive measured values of the mass flow rate
Pulse -m pulse for negative measured values of the mass flow rate
Pulse |E| pulse without sign consideration of the the heat flow rate
Pulse +E pulse for positive measured values of the the heat flow rate
Pulse -E pulse for negative measured values of the heat flow rate
Fluid properties Fluid temp. fluid temperature
Aux. temperature auxiliary temperature (during heat flow measurement)
Supply temp. supply temperature
Return temp. return temperature
Temp. diff difference supply temperature/return temperature
Fluid pressure fluid pressure
Aux. pressure pressure at the reference point
Supply pressure supply pressure
Return pressure return pressure
Pressure diff. difference supply pressure/return pressure
Fluid density fluid density
Kin. viscosity kinematic viscosity
Dyn. viscosity dynamic viscosity
Conductance conductance
Event trigger
(see user manual – Advanced Functions, section 8.7)
R1 limit message (Event trigger R1)
R2 limit message (Event trigger R2)
R3 limit message (Event trigger R3)
R4 limit message (Event trigger R4)
Tab. 8.1: Configuration of the outputs
source item list item output
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Depending on the selected source item, measured values, status values or event values can be output (see Tab. 8.2).
Diagn. values Amplitude signal amplitude
Quality signal quality
SNR signal-to-noise ratio
SCNR signal-to-correlated-noise ratio
Vari. amplitude amplitude fluctuation
Vari. time transit time fluctuation
Gain signal gain important to receive a useful signal
PIG detection indicates if pig has been detected
This display will only be indicated if Pig detection is activated (see user manual – Advanced Functions, section 9.7)
Miscellaneous Common input 1 General inputs which can be assigned to any input in the menu item Options/Assign inputs.
For further information see user manual – Advanced Functions, chapter 6. Common input 2
Common input 3
Common input 4
Sound speed Sound speed sound speed
Sound speed diff difference of the measured sound speed and the sound speed calculated from the fluid data
Tab. 8.2: Output of measured values, status values or event values
source item measured value event
value status
(see section 8.2.5.1) (see section 8.2.5.2) (see section 8.2.5.3)
physical quantity Flow quantities x x
Totalizers x x
Fluid properties x x
Miscellaneous (Common input 1...4)
x x
Sound speed x x
Diagn. values
(except PIG detection)
x
events Diagn. values \ PIG detection
x
Event trigger x
Tab. 8.1: Configuration of the outputs
source item list item output
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8.2.5.1 Output of the Measured Value
• Select the list item Option\Outputs\...\Values.
• Press ENTER.
Output Range
• Select a list item.
– 4...20 mA– Other range
• Press ENTER.
If Other range is selected, enter the values Output MIN and Output MAX.
The output range has to be > 10 % of the max. output value (Output MAX).
An error message will be displayed if the output range is smaller. The next possible value will be displayed.
• Repeat the input.
Error Output
An error value is defined which is output if a source item cannot be measured.
• Select a list item for the error output (see Tab. 8.3).
• Press ENTER.
• If Other value is selected, enter an error value. The value has to be within the output range.
• Press ENTER.
Options\Channel A\Outputs\...\Output Range
Options\Channel A\Outputs\...\Error output
Example: source item: volumetric flow rate
output: current output
output range: 4…20 mA
error value delay: td > 0
(see section 8.2.4 and Tab. 8.3)
The volumetric flow rate cannot be measured during the time interval t0...t1. The error value will be transmitted.
Tab. 8.3: Examples for the error output (for the output range 4...20 mA)
list item output signal
4.0 mA
Output range
Error value
Measurement range
Output info
siehe Anhang S. 100
Test signal?
Test mea. range?
Values
Source item
v [m³/h]
t0 t1 t
I [mA]
20
4
td
t0 t1 t
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Measuring Range
The sign of the measured value and the measuring range are defined.
• Select Sign if the sign of the measured values is to be considered for the output.
• Select Absolute value if the sign of the measured values is not to be considered for the output.
• Enter the lowest expected measured value. The unit of measurement of the source item will be displayed.
Beg. meas. range is the value assigned to the value Output MIN of the output range.
• Enter the highest expected measured value. The unit of measurement of the source item will be displayed.
End meas. range is the value assigned to the value Output MAX of the output range.
Terminal Assignment
The terminals for the connection of the output are displayed.
Further information is displayed by pressing key or .
• Press ENTER.
If the transmitter is equipped with a switchable current output, it is displayed whether the transmitter can be operated with an active or passive current output.
20.0 mA
Other value
error output = 3.5 mA
Options\Channel A\Outputs\...\Meas. values\Absolute value
Options\Channel A\Outputs\...\Beg. meas. range
Options\Channel A\Outputs\...\End meas. range
Options\Channel A\Outputs\...\Output info
Tab. 8.3: Examples for the error output (for the output range 4...20 mA)
list item output signal
I [mA]
20
4
td
t0 t1 t
I [mA]
20
4
td
t0 t1 t
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Function Test of the Output
The function of the installed output can now be tested.
• Connect a multimeter to the installed current output.
For the connection see section 6.4, Tab. 6.12.
• Select Yes to test the current output, No to display the next menu item.
• Press ENTER.
• Enter a test value for the current. It has to be within the output range.
• Press ENTER.
If the multimeter displays the entered value, the output functions correctly.
• Select Repeat to repeat the test, Finish to display the next menu item.
• Select Yes to test the assignment of the scaled measured value to the output signal, No to display the next menu item.
• Press ENTER.
• Enter a test value for the scaled physical quantity. It has to be within the output range. Press ENTER. If the multimeter displays the corresponding current value, the output functions correctly.
• Select Repeat to repeat the test, Finish to display the next menu item.
• Press key to return to the program branch Options.
8.2.5.2 Output of the Status Value
• Select the list item Options\Outputs\...\Status.
• Press ENTER.
Output Range
• Select a list item.
– 4...20 mA
– Other range
• Press ENTER.
If Other range is selected, enter the values Output MIN and Output MAX.
The output range has to be > 10 % of the max. output value (Output MAX). An er-ror message will be displayed if the output range is smaller. The next possible val-ue will be displayed.
Status OK
The status of the output signal is defined which is to be output when measuring a measured value.
• Select the value for Status OK in the scroll list.
• Press ENTER.
Options\Channel A\Outputs\...\Test signal
Options\Channel A\Outputs\...\Input test value
Options\Channel A\Outputs\...\Test measuring range?
Options\Channel A\Outputs\...\Input test value
Options\Channel A\Outputs\...\Output range
Options\Outputs\...\Status OK
Output range
Status OK
Output info
Test signal?
siehe Anhang S. 100
Test mea. range?
Status
Source item
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Terminal Assignment
The terminals for the connection of the output are displayed.
Further information is displayed by pressing key or .
• Press ENTER.
If the transmitter is equipped with a switchable current output, it is displayed whether the transmitter can be operated with an active or passive current output.
Function Test of the Output
The function of the installed output can be checked.
• Connect a multimeter to the terminals of the output.
For the connection see section 6.4, Tab. 6.12.
• Select Yes to test the current output, No to display the next menu item.
• Press ENTER.
• Enter the test value for the current.
• Press ENTER.
If the multimeter displays the entered value, the output functions correctly.
• Select Repeat to repeat the test, Finish to display the next menu item.
• Press ENTER.
• Select Yes to test the status of the output signal, No to display the next menu item.
• Press ENTER.
• Select Status OK or Status error in the scroll list.
• Press ENTER.
If the multimeter displays the corresponding current value, the output functions correctly.
• Select Repeat to repeat the test, Finish to display the next menu item.
• Press ENTER.
8.2.5.3 Output of an Event Value
Output range
• Select a list item.
– 4...20 mA
– Other range
• Press ENTER.
If Other range is selected, enter the values Output MIN and Output MAX.
The output range has to be > 10 % of the max. output value (Output MAX). An error message will be displayed if the out-put range is smaller. The next possible value will be displayed.
Options\Channel A\Outputs\Output info
Options\Channel A\Outputs\...\Test signal?
Options\Channel A\Outputs\...\Enter test value
Options\Channel A\Outputs\...\Test measurem. range?
Options\Channel A\Outputs\...\Enter test value
Options\Channel A\Outputs\...\Output range
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Idle State
The status of the signal output is defined which is to be output if no event occurs.
• Select the value for the idle state.
• Press ENTER.
Terminal Assignment
The terminals for the connection of the output are displayed.
Further information is displayed by pressing key or .
• Press ENTER.
If the transmitter is equipped with a switchable current output, it is displayed whether the transmitter can be operated with an active or passive current output.
Function Test of the Output
The function of the installed output can now be checked.
• Connect a multimeter to the terminals of the installed output.
For the connection see section 6.4, Tab. 6.12.
• Select Yes to test the current output, No to display the next menu item.
• Press ENTER.
• Enter the test value for the current.
• Press ENTER.
If the multimeter displays the entered value, the output functions correctly.
• Select Repeat to repeat the test, Finish to display the next menu item.
Press ENTER.
• Select Yes to test the status of the output signal, No to display the next menu item.
• Press ENTER.
• Select Passive (Idle state) or Active in the scroll list.
• Press ENTER.
If the multimeter displays the corresponding current value, the output functions correctly.
• Select Repeat to repeat the test, Finish to display the next menu item.
• Press ENTER.
• Press key to return to the program branch Options.
Options\Channel A\Outputs\...\Idle state
Options\Channel A\Outputs\...\Output info
Options\Channel A\Outputs\...\Test signal?
Options\Channel A\Outputs\...\Enter test value
Options\Channel A\Outputs\...\Test measurem. range?
Options\Channel A\Outputs\...\Enter test value
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8.3 Start Measurement
• Select the program branch Measurement.
• Press ENTER.
Activation of the Channels
The channels for the measurement can be activated and deactivated.
: the channel is active
: the channel is not active
: the channel cannot be activated
This display will not be indicated if the transmitter has only one measur-ing channel.
• Select a channel with the key or .
• Press key or to activate or deactivate the channel.
If the parameters in the program branch Parameter are not valid or incomplete, the error message Invalid parame-ters will be displayed.
A deactivated channel will be ignored during the measurement.
Input of the Measuring Point Number
• Enter the measuring point number.
• Press ENTER.
For the activation of the input of text see Spec. functions\Dialogs/Menus\Meas. point no..
For the input of numbers and text see section 4.2.
Input of the Number of Sound Paths
• Enter the number of sound paths.
• Press ENTER.
For the definition of the sound paths see user manual – Advanced Functions, section 2.3.
Adjustment of the Transducer Distance
The recommended transducer distance will be displayed.
The transducer distance is the distance between the inner edges of the transducers (see section 5.2.2)
In case of a measurement in diagonal mode on very small pipes, a negative transducer distance is possible.
• Mount the transducers on the pipe adjusting the transducer distance. For fixing the transducers see section 5.2.2.
• Press ENTER.
The diagnostics window is displayed (see Fig. 8.1).
Measurement\Select channels
Note!
In case all channels display , the program branch Parameterhas to be completed.
Measurement\Meas. point no.:
Measurement\Sound path
Measurement\Transd. distance
Note! The accuracy of the calculated transducer distance depends on the accuracy of the entered pipe and fluid parameters.
for each activated physical channel
Select channels
Meas. point no.
Sound path
Transd. distance
Signal test
Transd. distance
Display measurement
see annex p. 99
Measurement
x
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Fine Adjustment of the Transducer Distance
The bar graph AMP= displays the amplitude of the received signal (see Fig. 8.1).
The bar graph SCNR= displays the ratio useful signal to correlated disturbance signal.
• Shift one of the transducers slightly within the range of the recommended transducer distance until the bar graph reach-es the max. length.
• In case of large deviations of the diagnostic values (see Tab. 8.5), check if the entered parameters are correct or repeat the measurement at a different point on the pipe.
• Press ENTER.
Input of the Transducer Distance
After the precise positioning of the transducers, the recommended transducer distance is displayed in brackets again.
• Measure the transducer distance.
• Enter the measured transducer distance.
• Press ENTER.
The measurement is started. The measured value is displayed.
Fig. 8.1: Diagnostics window
Tab. 8.4: Diagnostic values
display1 explanation
key. (line 2 in Fig. 8.1) SNR signal-to-noise ratio
signal quality Q The bar graph has to reach max. length.
By pressing key the numeric value is displayed instead of the bar graph.
GAIN= 86 dB gain
If the actual value of the gain is higher than the max. gain, the actual value is displayed with →FAIL!.
AMP=44% G=86 dB amplitude and gain
SCNR signal-to-correlated-noise ratio
key. (line 3 in Fig. 8.1) SNR signal-to-noise ratio
signal quality Q The bar graph has to reach max. length.
By pressing key the numeric value is displayed instead of the bar graph.
<> =: transducer distance
SCNR signal-to-correlated-noise ratio
1 In order to avoid doubling in the lines 2 and 3 (see Fig. 8.1) an already displayed value will not be displayed in the other line.
Tab. 8.5: Recommended diagnostic limits
good measurement measurement at limit measurement not possible
SCNR ˃ 30 dB 20 dB ≤ SCNR ≤ 30 dB SCNR ˂ 20 dB
SNR ˃ 15 dB 0 dB ≤ SNR ≤ 15 dB SNR ˂ 0 dB
GAIN ˂ 98 dB 98 dB ≤ GAIN ≤ 113 dB GAIN ˃ 113 dB
Measurement\Transd. distance
line 2
SCNR value (bar graph)amplitude (bar graph)
line 3 display of additional diagnostic values
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8.4 Displaying the Measured ValuesThe measured values are displayed during the measurement as follows:
Additional physical quantities can be displayed during the measurement by pressing key or (see Fig. 8.2).
• Press key to display the measured values in line 5. The designation of the physical quantity is displayed in line 4 by pressing key for several seconds.
• Press key to display the measured values in line 4. The designation of the physical quantity is displayed in line 5 by pressing key for several seconds.
Toggling Between the Channels
If the measurement has been started on several channels, the display of the measured values can be adapted during the measurement as follows:
AutoMux mode
In the AutoMux mode the measured values of all activated channels (measuring and calculation channels) are displayed consecutively. The next active channel is selected after min. 3 s. The toggle time can be changed in the menu item Spe-cial Functions\Dialogs/Menus\Toggle time (see user manual - Advanced Functions, section 9.1).
HumanMux mode
In the HumanMux mode the measured values of one channel are displayed. The measurement on the other channels is continued.
• Press key to display the next activated channel. The measured values for the selected channel are displayed.
Each measurement starts in the AutoMux mode. Press key to toggle between the modes (see section 8.7).
Status Line
Important data of the ongoing measurement are displayed in the status line. Thus, the quality and precision can be esti-mated. Press key to scroll to the status line during the measurement.
Fig. 8.2: Display of the measured value
Fig. 8.3: Display of the status line
channel, program branch, symbol (see section 4.1)
physical quantity and unit of measurement
display of all other available physical quantities
measured value
line 4
line 5
status Line
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Transducer Distance
By pressing key during the measurement, it is possible to scroll to the display of the transducer distance.
The recommended transducer distance will be displayed in brackets (41.1 mm). The measured transducer distance (here: 41.5 mm) will be displayed.
The recommended transducer distance might change during measurement (e.g., due to temperature fluctuations).
A deviation from the optimum transducer distance (here: -0.4 mm) will be compensated internally.
Tab. 8.6: Description of the status line
value meaning
S signal amplitude
0…9
< 5 %…≥ 90 %
Values ≥ 3 are sufficient for the measurement.
Q signal quality
0…9
< 5 %…≥ 90 %
c sound speedcomparison of the measured and the expected sound speed of the fluid.
The expected sound speed is calculated on the basis of the fluid parameters.
√ ok, is equal to the expected value
↑ > 20 % of the expected value
↓ < 20 % of the expected value
? unknown, cannot be measured
R flow profileinformation about the flow profile based on the Reynolds number
T fully turbulent flow profile
L fully laminar flow profile
R the flow is in the transition range between laminar and turbulent flow
? unknown, cannot be calculated
F flow velocitycomparison of the measured flow velocity with the flow limits of the system
√ ok, the flow velocity is not in the critical range
↑ the flow velocity is higher than the current limit
↓ the flow velocity is lower than the current cut-off flow(even if it is not set to zero)
0 the flow velocity is in the offset range of the measuring method
? unknown, cannot be measured
Fig. 8.4 Display of the transducer distance
Note! Never change the transducer distance during the measurement!
transducer distance
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FLUXUS F721 8 Measurement
8.5 Display ParametersThe parameters can be displayed during measurement.
• Press key during the measurement.
The following display will be indicated:
The measurement is running in the background. The symbol appears in the status display (see Fig. 8.5).
• Select in the scroll list Display parameters.
• Press ENTER.
• The program branch Measurement is displayed.
• Select a program branch to display the parameters.
The symbol remains visible in all menus. All parameters and settings can be displayed.
8.6 Display the Measured Values again• Select the program branch Measurement to return to the display of measured values.
• Press ENTER.
The following display will be indicated:
• Select in the scroll list Show measurement.
• Press ENTER.
The display of measured values will be indicated.
Fig. 8.5: Scroll list in the program branch Measurement
Measurement\Display parameters
Note! Parameters cannot be changed during the measurement. When trying to change the parameters during the measurement, the error message Read only mode! will be displayed. In order to be able to change parameters the measurement has to be stopped.
Fig. 8.6: Scroll list in the program branch Measurement
Measurement\Show measurement
status information
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8 Measurement FLUXUS F721
8.7 Execute Special Functions Some keys possess multi-functions. They can be used to input values, to scroll through scroll lists as well as to execute special functions (see Tab. 7.7).
8.8 Stop Measurement• Press key during the measurement.
The following display will be indicated:
• Select Stop measurement.
• Press ENTER.
The measurement is stopped. The program branch Parameter is displayed.
After disconnecting and reconnecting the power supply, the program branch Parameter will be indicated.
Tab. 8.7: Key functions
key function
toggling between the AutoMux and the HumanMux mode (see section 8.4)
display of the totalizer (see user manual – Advanced Functions, section 8.1)
triggering of snaps (see user manual – Advanced Functions, section 8.4)
toggling between displays and active channels
toggling between the TransitTime mode and FastFood mode (see user manual – Advanced Functions, section 8.2)
toggling between the TrasitTime mode and NoiseTrek mode (see user manual – Advanced Functions, section 4.1)
the scroll list in the program branch Measurement is displayed (see Fig. 8.5)
ENTER diagnostics window is displayed
Fig. 8.7: Scroll list in the program branch Measurement
Measurement\Stop measurement
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FLUXUS F721 9 Data Logger
9 Data LoggerThe transmitter has a data logger in which the measured values are stored during the measurement.
The following data is stored within the data logger:
• date
• time
• measuring point number
• pipe parameters
• fluid parameters
• transducer data
• physical quantity
• unit of measurement
• measured values
9.1 Configuration
Activation of the Channels for Storing
• Select in the program branch Spec. functions\Data log-ger the menu item Configuration.
• Press ENTER.
The menu item Chan. for logger is displayed.
• Activate the channels whose measured data are to be stored.
• Press key or to select a channel.
• Press key to activate/deactivate a channel.
• Press ENTER.
Starting Time
If it is necessary to synchronize the record of measured values for several transmitters, a starting time can be set.
• Select in the program branch Spec. functions\Data log-ger the menu item Configuration
• Press ENTER until the menu item Start logging is dis-played.
• Select the moment when storing has to start.
Note! In order to store the measured data, the data logger has to be configured.
Spec. functions\Data logger\Configuration\Chan. for logger
Spec. functions\Data logger\Configuration\Start logging
display description
Immediately The storing starts immediately.
Full 5 minutes The storing starts in the next full 5 minutes.
Full 10 minutes The storing starts in the next full 10 minutes.
Full 15 minutes The storing starts in the next full 15 minutes.
Full 30 minutes The storing starts in the next 30 minutes.
Full hour The storing starts in the next full hour.
Event-based The storing starts once a defined event has been occurred.
see annex p. 98
Spec. functions
Data logger
Configuration
Chan. for logger
Ringbuffer
SampleAverage
Storage mode
Store c fluid
Store totalizers
Store amplitude
Store wedge temp.
Store diagnostic
Beep on storage
OffOn
Start logging
Stor. rate FastF
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9 Data Logger FLUXUS F721
Storage Rate
The storage rate indicates the interval how often the measured values are transmitted or stored. If a time is defined to start storing the measured values, a storage rate has to be entered.
• Select in the program branch Spec. functions\.Data logger the menu item Configuration.
• Press ENTER until the menu item Storage rate is displayed.
• Select a storage rate in the scroll list.
• Press ENTER.
• If User defined is selected, enter the storage rate.
• Press ENTER.
Starting Time – Event-Based
If it is necessary to start the storing of measured values at a specific event, select Event-based as starting time. The event is signalized via an input (see user man-ual - Advanced Functions, chapter 6) or event trigger (see user manual - Advanced Functions, chapter 8.7). All configured inputs and event triggers are displayed in the scroll list.
• Select the input or event trigger which is to signalize the event.
• Press ENTER.
The storage rate indicates the interval how often the measured values are transmit-ted or stored.
• Select the storage rate for the measured values to be stored from the scroll list if the event is not triggered.
• Press ENTER.
• Select Off if no measured values are to be stored as long as the event is not trig-gered.
• Press ENTER.
• Select in the scroll list the storage rate with which the measured values are to be stored when the event is triggered.
• Press ENTER.
• Enter the time interval at which the measured values have to be stored before arising the event.
• Press ENTER.
• Enter the time interval at which the measured values have to be stored if the event is no longer active.
• Press ENTER.
Example: actual time: 09:06setting: Full 10 minutesThe storing starts at 09:10.
Note! It is to ensure that the time setting of all transmitters are synchronized.
Spec. functions\Data logger\Configuration\Storage rate
Spec. functions\Data logger\Configuration\Start log-ging\Event-based
Spec. functions\Data logger\Configuration\Start log-ging\Event-based\Storage rate (no trig.)
Spec. functions\Data logger\Configuration\Start logging\Event-based\Storage rate (Trig.)
Spec. functions\Data logger\Configuration\Start logging\Event-based\Buffer time ->П
Spec. functions\Data logger\Configuration\Start logging\Event-based\Buffer time П->
see annex p. 108
Data logger
Configuration
Chan. for logger
Start logging
Storage rate (Trig.)
Buffer time → П
Buffer time П →
→Event-based
Storage rate (no trig.)
Spec. functions
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FLUXUS F721 9 Data Logger
Storage Rate FastFood
The Stor. rate FastF is the storage rate at which the measured values are stored in the FastFood mode.
• Select in the program branch Spec. functions\Data logger the menu item Configuration.
• Press ENTER until the menu item Stor. rate FastF is displayed.
• Enter a value for the Stor. rate FastF in ms.
• Press ENTER.
Ringbuffer
The activation of the ringbuffer influences the storing of measured values once the data logger is full.
If the ringbuffer is activated, the oldest measured values of the current series of measured values will be overwritten. Only the storage place that was free during the activation will be used by the ringbuffer. If more storage place is necessary, measured values in the data logger should previously be deleted.
• Select in the program branch Spec. functions\Data logger the menu item Configuration.
• Press ENTER until the menu item Ringbuffer is displayed.
• Select On if the ringbuffer has to be activated.
• Press ENTER.
If the ringbuffer is not activated and the data logger is full the storing of measured values will be terminated.
• Select Off if the ringbuffer has to be deactivated.
• Press ENTER.
Storage Mode
• Select in the program branch Spec. functions\Data logger the menu item Configuration.
• Press ENTER until the menu item Storage mode is displayed.
• Press ENTER.
• Select Sample if the current measured value is to be used for storing.
• Select Average if the average of all undamped measured values of a storage interval are to be used for storing.
Spec. functions\Data logger\Configuration\Stor. rate FastF
Spec. functions\Data logger\Configuration\Ringbuffer
Spec. functions\Data logger\Configuration\Storage mode
Note! The storage mode does not affect the outputs.
Note! Storage mode = Average
The average of the physical quantity and other physical quantities assigned to the measuring chan-nel, e.g., the measured temperature, are calculated.
If the storage rate < 5 s is selected, the Sample is used.
If no average could be calculated over the complete storage interval, the value will be marked as in-valid.
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Further Parameters for Storing
For the following parameters it can be defined if these are to be stored together with the measured values (see Tab. 9.1).
• Select Yes if the value is to be stored, No if the value is not to be stored.
Acoustic Signal During the Storing
The transmitter can emit an acoustic signal during each storing. The signal can be activated or deactivated in the program branch Spec. functions\Data logger\Configuration\Beep on storage.
• Select On to activate the acoustic signal.
• Select Off to deactivate the acoustic signal.
• Press ENTER.
9.2 Data Logger Info
• Select in the program branch Spec. functions\Data logger the menu item Configuration.
• Press ENTER.
The following information relating to the transmitter is displayed:
9.3 Delete Data Logger
• Select in the program branch Spec. functions\Data logger the menu item Delete meas.val..
• Press ENTER.
• Select Yes or No.
• Press ENTER.
Tab. 9.1: Parameters for storing
display description
Store c fluid sound speed of the fluid
Store totalizers value of the totalizer
Store amplitude amplitude of the measured signal
Store diagnostic diagnostic values
Store wedge temp. wedge temperature within the transducer
Spec. functions\Data logger\Configuration\Beep on storage
Spec. functions\Data logger\Data logger info
display description
activated: data logger is active/not active
display is only indicated if measurement is running and the data logger is activated
logger full: data logger is full/not full
ringbuffer: ringbuffer is activated/deactivated
meas. value series: number of stored series of measured values
storage occupied: percentage of the memory actually used
date to full: time, when memory is fulldisplay is only indicated if measurement is running and the data logger is activated
time to full: time interval, when memory is fulldisplay is only indicated if measurement is running and the data logger is activated
Spec. functions\Data logger\Delete meas.val.
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FLUXUS F721 10 Transmission of Data
10 Transmission of DataAll data and parameters relevant for the transmitter can be transmitted to a PC. The transmission of data occurs via the in-terfaces of the transmitter.
10.1 Interfaces of the Transmitter• Select in the program branch Spec. functions the menu item Communication.
• Press ENTER.
All interfaces existing in the transmitter are listed.
The following figure provides an overview how communication takes place via the respective interfaces.
For the description of the communication protocols of fieldbuses see Supplement to the user’s manual SUFLUXUS.
10.1.1 USB Interface
The transmitter can be connected directly to the PC via USB interface. This interface is used to transfer and read device settings as well as for the temporary monitoring of the measurement during the installation.
• Connect the USB cable to the USB interface of the transmitter and the PC.
For the connection to the transmitter see Fig. 10.1.
10.1.2 Ethernet Interface
The transmitter can be integrated directly into a network via an Ethernet interface. According to the selected port the trans-mitter is able to communicate via FluxDiag with a connected PC or via a fieldbus with a control.
For the connection to a transmitter see Fig. 10.1.
• Select the program branch Spec. functions.
• Press ENTER.
• Select in the program branch Spec. functions\Communication the menu item Network.
• Press ENTER.
• Select Manual to enter the IP address.
Default values in the transmitter:
– IP address: 192.168.0.70
– subnet mask: 255.255.255.0
– standard gateway: 192.168.0.1
The IP address of the network and the transmitter have to be identical.
• Enter the IP address.
• Press ENTER.
• Select Auto to determine the IP address automatically.
• For the display of the generated IP address, select in the program branch Spec. functions\Communication\Net-work the menu item Show auto config.
• Press ENTER.
If a Fieldbus communication is established the provided IP address has to be entered.
Spec. functions\Communication
Spec. functions\Communication\Network
program/communication protocol
interfaces USB Ethernet RS485
FluxDiag(service program)
Modbus, BACnet(Fieldbus communication)
FF, PA(Fieldbus communication)
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10 Transmission of Data FLUXUS F721
10.1.3 RS485 Interface
The transmitter can be operated as sender (ASCII values) or Fieldbus interface via the RS485 interface. For potential fiel-buses, see Technical Specification.
The present fieldbus is displayed in the menu item Spec. functions\Communication e.g., Modbus.
• Select in the program branch Spec. functions\Communication the menu item Modbus.
• Press ENTER.
• Select a list item.
• Press ENTER.
For the description of the settings in the Fieldbus see Supplement to the user’s manual SUFLUXUS.
For the connection to the transmitter see Fig. 10.1 and Tab. 6.13.
10.2 Store DataThe program FluxDiag is used to transmit data to and from the transmitter.
The following actions are available:
• read stored data
• read/write device setup
• read stored snaps
The following actions can be carried out during measurement:
• monitoring of measured values and diagnostic values
• trigger and display snaps
For the use of FluxDiag see support in FluxDiag.
All data will be stored in a file (extension *.fluxus). This file contains:
• all stored measured values
• transmitter setup
• all generated snaps.
Spec. functions\Communication\Modbus
Fig. 10.1: Interfaces of the transmitter
Ethernet interface
USB interface
connection RS485 interface
A+ B- P1+ P2+ P3+ P4+ P5a P6a P7a
S S P1- P2- P3- P4- P5b P6b P7b
KL9
KL10
fluid, pipe and transducer parameters
measurement settings
inputs/outputs
measured values
setup
snaps
*.fluxus
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FLUXUS F721 11 Troubleshooting
11 TroubleshootingIf any problem appears which cannot be solved with the help of this user manual, contact our sales office and give a pre-cise description of the problem. Specify the type, the serial number and the firmware version of the transmitter.
Calibration
FLUXUS is a very reliable instrument. It is manufactured under strict quality control using modern production techniques. If installed as recommended in an appropriate location, used cautiously and taken care of conscientiously, no troubles should appear. The transmitter has been calibrated at the factory and, usually, a re-calibration of the transmitter will not be necessary. A re-calibration is recommended if
• the contact surface of the transducers shows visible wear or
• the transducers were used for a prolonged period of time at a high temperature (several months >130 °C for normal transducers or > 200 °C for high temperature transducers).
In order to realize a recalibration under reference conditions either the transmitter, the transducers or the transmitter with transducers have to be sent to FLEXIM depending on which part needs to be calibrated.
The display does not work at all or fails regularly
Check the contrast setting of the transmitter (see user manual – Advanced Functions, section 9.6) or enter the HotCode 555000 to reset the display to medium contrast (see user manual - Advanced Functions, section 9.7).
Make sure that the correct voltage is available at the terminals. The destined voltage is indicated on the metal plate below the outer right terminal.
If the power supply is ok, the transducers or an internal component of the transmitter are defective. The transducers and the transmitter have to be sent to FLEXIM for repair.
If the transmitter is connected only via USB interface, the backlight will be switched off.
An error is displayed in the status line (symbol )
Press key to return to the main menu. Select Spec. functions\System settings\Event log. Press ENTER. The list with error messages is displayed.
Date and time are wrong
The data backup battery has to be replaced. Send the transmitter to FLEXIM.
An output does not work
Make sure that the outputs are configured correctly. Check the function of the output as described in section 8.2.5. If the output is defective, contact FLEXIM.
A measurement is impossible or the measured values substantially differ from the expected values
See section 11.1.
The values of the totalizers are wrong
See section 11.6.
11.1 Problems with the Measurement
A measurement is impossible because no signal is received. A question mark is displayed behind the physical quantity. The LED lights red after the start of the measurement.
• Check if the entered parameters are correct, especially the outer pipe diameter, the pipe wall thickness and the sound speed of the fluid. (typical errors: The circumference or the radius was entered instead of the diameter. The inner pipe di-ameter was entered instead of the outer pipe diameter.)
• Make sure that the recommended transducer distance was adjusted when mounting the transducers.
• Make sure that an appropriate measuring point is selected (see section 11.2) and the number of sound paths has been entered correctly (see section 8.3).
• Try to establish better acoustic contact between the pipe and the transducers (see section 11.3).
• Enter a lower value for the number of sound paths. The signal attenuation might be too high due to a high fluid viscosity or deposits on the inner pipe wall (see section 11.4).
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The measuring signal is received but no measured values can be obtained
• If the defined upper or lower limit of the flow velocity is exceeded or is below, Undef and an exclamation mark "!" be-hind the physical quantity will be displayed. The measured values are marked as invalid. The limit has to be adapted to the measuring conditions (see user manual – Advanced Functions, section 4.2).
• If no exclamation mark "!" is displayed, a measurement at the selected measuring point is not possible.
Loss of signal during the measurement
• If the pipe had been run empty: Was there no measuring signal afterwards? Contact FLEXIM.
• Wait briefly until acoustic contact is reestablished. The measurement can be interrupted by a temporarily higher propor-tion of gas bubbles and solids in the fluid.
The measured values substantially differ from the expected values
• Wrong measured values are often caused by wrong parameters. Make sure that the entered parameters are correct for the measuring point.
• If the parameters are correct, see section 11.5 for the description of typical situations in which wrong measured values are obtained.
11.2 Selection of the Measuring Point• Make sure that the recommended min. distance to any disturbance source is observed (see user manual - Advanced
Functions, section 4.2).
• Avoid measuring points with deposit formation in the pipe.
• Avoid measuring points in the vicinity of deformations and defects on the pipe and in the vicinity of welds.
• Make sure that the pipe surface at the selected measuring point is even. The pipe may not be corrugated.
• Measure the temperature at the measuring point and make sure that the transducers are suitable for this temperature.
• Make sure that the outer pipe diameter is within the measuring range of the transducers.
• When measuring on a horizontal pipe, the transducers have to be mounted on the side of the pipes.
• A vertical pipe always has to be filled at the measuring point and the fluid should flow upward.
• No gas bubbles should form (even bubble-free fluids can form gas bubbles when the fluid expands, e.g., upstream of pumps and downstream of great cross-section enlargements).
11.3 Maximum Acoustic ContactObserve the instructions in section 5.2.2.
11.4 Application Specific Problems
A fluid with a wrong sound speed was selected
If a fluid was selected whose sound speed does not fit the sound speed of the fluid in the pipe, it is possible that the trans-ducer distance is not determined correctly.
The sound speed of the fluid is used to calculate the transducer distance and is; therefore, very important for the transduc-er positioning. The sound speeds stored in the transmitter are only used as reference value.
The entered pipe roughness is not appropriate
Check the entered value. The state of the pipe should be taken into account.
Measurements on porous pipe materials (e.g., concrete or cast iron) are only possible under certain conditions
Contact FLEXIM.
The pipe lining may cause problems during the measurement if it is not firmly attached to the inner pipe wall or consists of an acoustically absorbing material
Try measuring on a liner free section of the pipe.
Note! If the temperature fluctuates at the measuring point, it is especially important that the inner hooks of the clasp engage in the tension strap. Otherwise, the contact pressure of the transducers will be in-sufficient at low temperatures.
Note! If the temperature fluctuates widely, it is recommended to use FLEXIM clasps with springs to fix the transducers. Contact FLEXIM.
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FLUXUS F721 11 Troubleshooting
Highly viscous fluids strongly attenuate the ultrasonic signal
Measurements on fluids with a viscosity > 1000 mm²/s are only possible under certain conditions.
A higher proportion of gasor solids in the fluid scatter and absorb the ultrasonic signal and therefore attenuate the measuring signal
A measurement is impossible if the value is ≥ 10 %. If the proportion is high, but < 10 %, a measurement is only possible under certain conditions.
11.5 Large Deviations of the Measured Values
A fluid with a wrong sound speed was selected
If a fluid is selected whose sound speed does not fit the sound speed of the fluid in the pipe it is possible that the measur-ing signal is being mistaken for a pipe wall signal.
The flow calculated on the basis of the wrong signal by the transmitter is very small or fluctuates around zero.
There is gas in the pipe
If there is gas in the pipe, the measured flow will always be too high because both the gas volume and the liquid volume are measured.
The defined upper limit of the flow velocity is too low
All measured flow velocities that are greater than the upper limit will be ignored and marked as invalid. All quantities de-rived from the flow velocity will also be marked as invalid. If several correct measured values are ignored, the totalizer val-ues will be too low.
The entered cut-off flow is too high
All flow velocities below the cut-off flow are set to zero. All derived quantities are also set to zero. The cut-off flow (default 2.5 cm/s) has to be set to a low value to be able to measure at low flow velocities.
The entered pipe roughness is not appropriate
The flow velocity of the fluid is outside the measuring range of the transmitter
The measuring point is not appropriate
Select another measuring point to check whether the results are better. Because pipes are never rotationally symmetric, the flow profile is affected. Change the transducer position according to the pipe deformation.
11.6 Problems with the Totalizers
The values of the totalizers are too small
One of the totalizers has reached the upper limit and has to be reset to zero manually.
The sum of the totalizers is not correct
The sum of both totalizers (throughput Q) is not valid after the overflow of one of the totalizers. (see user manual - Ad-vanced Functions, section 8.1.3).
Behind the value of the totalizer a question mark "?" is displayed
The measurement was temporarily impossible, therefore the value of the totalizer can be wrong.
11.7 Problems During the Heat Flow Measurement
The measured temperature values differ from the actual values.
The temperature probes are not sufficiently insulated.
On a pipe with a small pipe diameter, the temperature probe is lifted from the pipe surface by the insulation foam.
The measured absolute value of the heat flow is correct but has the opposite sign.
Check the assignment of the supply and return temperature to the temperature inputs (see user manual – Advanced Functions, chapter 7).
The calculated heat flow differs from the actual heat flow although the measured flow and temperature values are correct
Check the heat flow coefficient of the fluid (see user manual – Advanced Functions, section 7.2).
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A Menu Structure FLUXUS F721
Annex
A Menu Structure
Program branches (see chapter 4)
Parameter
Selection of themeasuring channel
Transducerparameters
Pipeparameters
Fluidparameters
WaveInjector
(WI)
Measurement
Selection of themeasuring channel
Meas. point no.
Sound path
Transducerpositioning
Measurement
Options
Selection of themeasuring channel
Phys. quantity
Unit of meas.
Outputs
Assign inputs
Remote actions
Event trigger
Special settings
Spec. functions
System settings
Inputs
Measurement
Data logger
Snap
Communication
Units of meas.
Totalizers
Dialogs/Menus
Par. rec. memory
Libraries
Min. pipe diam.
Transd. distance
DisplayDiagnostic values
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FLUXUS F721 A Menu Structure
96
Parameter Input (see section 8.1)
Transducer
Parameter
Select transd.Connected Transd
Outer diameter
Pipe material
Wall thickness
Roughness
Lining
Fluid
Fluid temp.
Channel …
[1]
NoYes
Lining 2
Coating
[1]
[1]
[1]
User definedAuto
Aux. temperature
Compare fluids
Fluid pressure
[1]
[2]
Aux. pressure
WaveInjector (WI)
Extension cable
[3]
[6]
[5]
[4]
Legend
[1] only if enabled in the program branch Spec. functions > Dialogs/Menus
[2] only if heat measurement is activated
[3] only if enabled in the program branch Spec. functions > Dialogs/Menus or gas measure-ment
[4] only if enabled in the program branch Spec. functions > Dialogs/Menusis or heat measure-ment
[5] only if WaveInjector is supported and enabled in the program branch Spec. functions > Dialogs/Menus
[6] only in the SuperUser mode
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A Menu Structure FLUXUS F721
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Measurement Settings (see section 8.2)
[1]
Options
Channel …
Units of meas.
Flow velocity
Volum. flow rate
Mass flow rate
Mass
Heat flow
Measurement
Phys. quantity
Unit of meas.
Damping
Error val. delay
Quantity of heat
→ Volum. flow rate
→ Mass flow rate
→ Heat flow
→ Sound speed
→ Flow velocity
Legend
[1] only if enabled in the program branch Spec. functions > Dialogs/Menus
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FLUXUS F721 A Menu Structure
98
Data Logger (see chapter 9)
Spec. functions
Data logger
Configuration
Chan. for logger
Ringbuffer
SampleAverage
Storage mode
Start storing
Store c fluid
Store totalizers
Store amplitude
Store wedge temp.
Store diagnostic
Beep on storage
OffOn
Delete meas.val. Print meas. val. Transm. settings
Ser. outp. chan.
Delete spaces
.,
Decimal marker
NoYes
;TAB
Column separat.
Storage rate
Storage rate FastF
Event-based→ Immediately
→ Full 5 minutes
→ Full 10 minutes
→ Full 15 minutes
→ Full 30 minutes
→ Full hour
Storage rate (no trig.)
Buffer time →П
Buffer time П→
[1]
[2] [2]
Storage rate (Trig.)
Data logger info
→ Activated:
→ Logger full:
→ Meas. v. series:
→ Storage occup.:
Legend
[1] list of parameterized inputs and event triggers
[2] only if RS485 interface is available
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A Menu Structure FLUXUS F721
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Start Measurement (see section 8.3)
for each activated
measuring channel
Measurement
Select channels
Meas. point no.
Sound path
Proposal Transd. distance
Display diagnostic values
Transd. distance
Display Measurement
Show measurementStop measurement Show parameters
Parameter
Read only mode!
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FLUXUS F721 A Menu Structure
10
Configure Outputs (see section 8.2)
Event trigger
Idle state
Output info
Test signal?
[1]
Options
Channel …
Outputs
Enable output
YesNo
[1]
Status Values
Output range
Error value
Meas. values
Absolute Sign
Beg. meas. range
End meas. range
Output info
Test signal?
Test mea. range?
Source item
Sound speed Flow quantities Totalizers Fluid properties Diagn. values PulseMiscellaneous
[1] [2]
[3]
Pulse width
Error value
Beg. meas. range
End meas. range
Output info
Test signal?
Test mea. range?
Pulse value
Output range
Meas. values
Absolute Sign
[3]
→Current
→Voltage
→Frequency
→Binary
Status OK
Output info
Test signal?
→R1
→R2
→R3
→R4
Output range
Test mea. range?
Legend
[1] not available with calculation channels
[2] only available for binary outputs supporting pulse outputs
[3] request only if physical quantity can adopt a negative value
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A Menu Structure FLUXUS F721
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Configure Inputs (see user manual - Advanced Functions, chapter 6)
Spec. functions
Inputs
Enable input
Temperature
No Yes
Trigger value
Input info
Test signal?
Pt100/Pt1000
Inputs
Offset [1]
Function
Trigger value
Hysteresis
Glitch interval
→MAX (x>limit)
→MIN (x<limit)
→ERR (x=fail)
YesNo
Window center
Window width
→ Inside window
→Outside window
YesNo
→Enter Offset
→Temperature
→Current
→Voltage
→Binary
Enable input
Current
No Yes
Source item
User defined Current
Input range
→Temperature
→Pressure
→Fluid density
→Kin. viscosity
→Dyn. viscosity
→Compress. coeff.
→Resistance
→ pH value
→Sound speed
→Volum. flow rate
Name of input
Unit of meas.
Decimal places
Other range
→ I min. value
→ I max. value
→ 0...20 mA
→ 4...20 mA
Error value
Yes No
→Beg. meas. range
→End meas. range
Trigger value
Function
Trigger value
Hysteresis
Glitch interval
→MAX (x>limit)
→MIN (x<limit)
→ERR (x=fail)
YesNo
Input info
Test signal?
Test mea. range?
Input mode
PassiveActive
Inputs
[2]
Window center
Window width
→ Inside window
→Outside window
Legend
[1] only if enabled in Spec. functions > Dialogs/Menus
[2] only if supported by the hardware
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Configure Inputs
Enable input
Voltage
No Yes
Source item
User defined Voltage
Input range
→Temperature
→Pressure
→Fluid density
→Kin. viscosity
→Dyn. viscosity
→Compress. coeff.
→Resistance
→ pH value
→Sound speed
→Volum. flow rate
Name of input
Unit of meas.
Decimal places
Other range
→U min. value
→U max. value
→ 0...10 V
Error value
Yes No
→Beg. meas. range
→End meas. range
Trigger value
Input info
Test signal?
Test mea. range?
Inputs
Function
Trigger value
Hysteresis
Glitch interval
→MAX (x>limit)
→MIN (x<limit)
→ERR (x=fail)
YesNo
Window center
Window width
→ Inside window
→Outside window
Enable input
Binary
No Yes
Negate input
NoYes
Input info
Test signal?
Inputs
→Temperature
→Current
→Voltage
→Binary
Inputs
Spec. functions
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Special Settings (see user manual - Advanced Functions, chapter 4)
[1], [4]
Channel …
Options
OffDefault
Cut off flow
User defined
OffDefault
Flow vel. limit
User defined
OffGlobal setting
Gas measurement
On
OffDefault
Enable NoiseTrek
On
HeatChill
Application
Return lineSupply line
Transducer position
[2]
Absolute valueSign
Heat flow value
[2]
[2]
OffDefault
Energy low cut
User defined
OffGlobal setting
PIG detection
On
Special settings
[3]
[4]
OffDefault
Max. gain
User defined
OffDefault
PipeSignalDetection
User defined
[5]
[5]
OffDefault
Linear calibr.
On
[4]
OffDefault
Profile corr.
On
[5]
Multi-point cal. [6]
OffDefault
LWT Dispersion
On
[4]
NoiseTrekTransitTime
Start in Messmodus
FastFood
[7]
Only ... mode
OffDefault
Turbulence mode
On
OffDefault
Weighting factor
On
NoYes
HybridTrek
[5]
Legend
[1] only if gas measurement is supported
[2] only with heat measurement
[3] only with heat measurement and in the SuperUser mode
[4] only in the SuperUser mode
[5] from ExpertUser mode
[6] only if enabled in Spec. functions > Measurement > Meas. settings
[7] only if the FastFood is enabled in Spec. functions > Mea-surement > Measurem. modes or NoiseTrek is supported
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Heat Flow Measurement (see user manual - Advanced Functions, chapter 7)
Spec. functions
Inputs
Yes
Trigger value
Function
Glitch interval
Yes
Input info
Test signal?
Pt100/Pt1000
Offset [1]
Options
Channel …
Measurement
Phys. quantity
→Heat flow
Temperature
HeatChill
Application
Return lineSupply line
Transducer position
Absolute valueSign
Heat flow value
Options
Channel …
Special settings
OffDefault
Energy low cut
User defined
[2]
Trigger value
Hysteresis
→MAX (x>limit)
→MIN (x<limit)
→ERR (x=fail)
Window center
Window width
→ Inside window
→Outside window
1 2 3
……
Legend
[1] only if enabled in the program branch Spec. functions > Dialogs/Menus
[2] only in the SuperUser mode
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Calculation Channels (see user manual - Advanced Functions, section 8.3)
[1]
YesNo
Linear corr.
Parameter
Channel …
Calculation
Special
Calculation type
... source channel n
Mean (all inputs valid)
(AND)Mean (valid input only)
(OR)
... source channel n
→Measuring channel A
→Measuring channel B
... [all physical channels]
→No source chan.
→Measuring channel A
→Measuring channel B
... [all physical channels]
→No source chan.
[1]
x sign source channel n
→ -|x|=values neg.
→ x=keep
→ -x=reciprocal value
→ |x|=value pos.
Special
→ 1/2 (AND)
→ 1/n (OR)
→No mean calc.
Factor
Offset
Set to error
+Upper limit val.
No limit Set to limit
+Upper limit val.
Set to error
-Upper limit val.
No limit Set to limit
-Upper limit val.
Cut off flow
Calculation
[2]
Options
Channel …
Units of meas.
Flow velocity
Volum. flow rate
Mass flow rate
Mass
Heat flow
Measurement
Phys. quantity
Unit of meas.
Damping
Error val. delay
Quantity of heat
→Volum. flow rate
→Mass flow rate
→Heat flow
→Sound speed
→Flow velocity
Measurement
Select calc. channel
1 2
3
Legend
[1] n corresponds to the number of physical channels in the device
[2] only if enabled in Spec. functions > Dialogs/Menus
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Trigger Overview
Input quantity
→Flow quantities
→Sound speed
→Totalizers
→Fluid properties
→Diagn. values
→Temperature
→Current
→Voltage
→Binary
Phys. quantity
Condition
Spec. functions Options
Action Measured value storage
Remote actions Make a snap
Trigger
→Reset meas. val.
→Reset totalizers
→Stop totalizers
→Activate FastFood
R1 R2 R3 R4
→Event-based→Event-based
Event trigger
→Switching condition
→Holding behavior
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Define Event Trigger (see user manual - Advanced Functions, section 8.7)
Options
Channel …
Event trigger
Select RX
Enable RX
YesNo
[1]
Type
Trigger value
Hysteresis
Glitch interval
Failure delay
Source item
Sound speed Flow quantities Totalizers Fluid properties Diagn. values Miscellaneous
[1] [1]
Function
Hold for a whileNon-hold Hold
Hold interval
→MAX (x>limit)
→MIN (x<limit)
→ Inside window
→Outside window
→ERR (x=fail)
Options
Channel …
Outputs
Select output
Enable output
Yes
Source item
Output range
Output info
Test signal?
1
→Event trigger
Window width
Window center
Inside windowOutside window
MAXMINERR
[2]
2
Idle state
Legend
[1] not available with calculation channels
[2] depending on the selection of the function
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Remote Functions (see user manual - Advanced Functions, section 8.6)
Options
Channel …
Remote actions
Input/Event trigger
[2]
→Reset meas. val.
→Reset totalizers
→Stop totalizers
→Activate FastFood
Spec. functions
Inputs
Temperature Current Voltage Binary
Pt100/Pt1000
Enable
Yes
Trigger value
Source item
Enable
Source item
Enable
Negate input
Enable
[3]
→Yes
→No
Options
Channel …
Event trigger
Select Rx
Enable Rx
Source item
Type
Glitch interval
Failure delay
Function
Hold for a whileNon-hold Hold
Hold interval
→MAX (x>limit)
→MIN (x<limit)
→ Inside window
→Outside window
→ERR (x=fail)
Trigger value
HysteresisWindow width
Window center
Inside windowOutside window
MAXMINERR
[1]
Trigger value
Hysteresis
→MAX (x>limit)
→MIN (x<limit)
→ERR (x=fail)
Window center
Window width
→ Inside window
→Outside window
1
2
Glitch interval
Input info
Test signal?
Trigger
Action
Condition
Condition
Legend
[1] depending on the selection of the function
[2] not available with calculation channels and only if the FastFood is enabled in Spec. functions > Measure-ment > Measurem. modes
[3] list of parameterized inputs and event triggers
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Event-Based Measured Value Storage
Data logger
Configuration
[1]
Spec. functions
Chan. for logger
Start storing
Storage rate FastF
Ringbuffer
Storage mode
Event-based
With input
Storage rate (no trig.)
Buffer time → П
Buffer timet П →
2
Spec. functions
Inputs
Temperature Current Voltage Binary
Pt100/Pt1000
Enable
Yes
Trigger value
Source item
Enable
Source item
Enable
Negate input
Enable
→Yes
→No
Options
Channel …
Event trigger
Select Rx
Enable Rx
Source item
Type
Glitch interval
Failure delay
Function
Hold for a whileNon-hold Hold
Hold interval
→MAX (x>limit)
→MIN (x<limit)
→ Inside window
→Outside window
→ERR (x=fail)
Trigger value
HysteresisWindow width
Window center
Inside windowOutside window
MAXMINERR
[1]
Trigger value
Hysteresis
→MAX (x>limit)
→MIN (x<limit)
→ERR (x=fail)
Window center
Window width
→ Inside window
→Outside window
1
Glitch interval
Input info
Test signal?
Storage rate (Trig.)
Trigger
Action
Condition
Condition
Legend
[1] depending on the selection of the function
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FLUXUS F721 A Menu Structure
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Example 1
The diagnostic values are to be checked.
If the SCNR is < 20 dB a snap has to be triggered.
trigger: SCNR < 20 dB
condition: R1 with SCNR < 20 dB
action: trigger snap
Options
Channel A
Event trigger
Select R1
Enable R1
Yes
Type
Trigger value
Hysteresis
Glitch interval
Failure delay
Source item
Diagn. values
Function
→MIN (x<limit)
Spec. functions
Snap
Configuration
On
Snap ringbuffer
Yes
Auto snap?
Enab snap on R1
Yes
→ 1.0 dB
→ 20.0 dB
→ 1.0 s
→ 1.0 s
No
→Diagn. values
→SCNR
→Non-hold
1 2
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Example 2
The flow velocity is measured.
If the flow velocity is < 5m/s, the transmitter measures in the TransitTime mode. As long as the flow velocity is
> 5 m/s the transmitter has to measure in the FastFood mode.
trigger: flow velocity > 5 m/s
condition: R1 with flow velocity > 5 m/s
action: measurement in the FastFood mode
Options
Channel A
Remote actions
→R1
Options
Channel A
Event trigger
Select R1
Enable R1
Yes
Type
Trigger value
Hysteresis
Glitch interval
Failure delay
Source item
Flow quantities
Function
→MAX (x>limit)
→ 0.4 m/s
→ 5 m/s
→ 1.0 s
→ 1.0 s
→ Flow quantities
→Flow velocity
→Non-hold
Enable FastFood
1 2
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FLUXUS F721 A Menu Structure
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Example 3
The storage rate of all measured and diagnostic values within a temperature range has to be change.
The normal storage rate of all measured and diagnostic values is 1 h. If the temperature is outside the operating temperature range 20...40 °C, the storage rate has to be 1 min. A record has to be made 10 s before and 60 s after the event.
The temperature range of 0...100 °C is to be detected by a current input of 4...20 mA.
trigger: 20 °C > temperature > 40 °C on current input I1
condition: I1 as trigger value outside the window 20...40 °C
action: store measured values in the temperature range 20...40 °C with a storage rate of 1 h
Store c fluid
Store totalizers
Store amplitude
Store wedge temp.
Store diagnostic
Beep on storage
Data logger
Configuration
Spec. functions
Chan. for logger
Storage rate FastF
Ringbuffer
Storage mode
Start storing
Storage rate (no trig.)
Buffer time → П
Buffer time П →
Glitch interval
Input info
Test signal?
Spec. functions
Inputs
Current I1
Function
Yes
Trigger value
Enable I1
Window center
→Outside window
Yes
Window width
→ 30.0 °C
→ 20.0 °C
→ 1 s
→Event-based
→With input I1
→ 1 h
→ 10 s
→ 60 s
Source item
→Temperature
I1 Input range
→ 4...20 mA
Beg. meas. range
→ 0.0 °C
End meas. range
→ 100.0 °C
Error value
→Yes
→ 3.50 mA
Test mea. range?
1 2
Storage rate (Trig.)
→ 1 min
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B Conformity Declarations
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FLUXUS F721 B Conformity Declarations
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