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FlameGard 5 MSIR Flame

Detector

FlameGard 5 MSIR Flame

Detector

Agenda

1. Product Overview2. Principle of Operation3. Why Artificial Neural Networks?4. Detector Placement5. Recommended Practices6. Wiring7. Test Lamp Check8. Fault Conditions9. HART10. Applications11. Conclusion

Product Overview

Description Infrared flame detector with neural network technology Customer Benefits Increased range; wide field of view Superior false alarm immunity Stores maintenance, faults, warnings, and alarms records Supports HART and Modbus Compatible with Emerson Process Management’s AMS

Intelligent Device Manager ATEX, CSA, FM, IECEx, and ULC approvals and CE

Marking for worldwide application SIL 3 suitable

FlameGard 5 MSIR Multi-Spectral IR Flame Detector

Principle of Operation

Reliably detects fires by using several infrared sensors sampling different IR wavelengthsAnalog signals – Sampled and converted into

digital format for signal pre-processing

Digital signal – Converted from intensity values over time to frequency values over time

A Neural Network algorithm processes values to identify patterns, which allow it to determine if signals are from a flame or non-flame source

Flame detection becomes an exercise of pattern recognition, which is derived from the statistical analysis of data

FlameGard 5 MSIR Multi-Spectral IR Flame Detector

Artificial Neural Network

Advantages

Does not depend on developing accurate rules for classifying flames from false alarms

Can improve pattern recognition as detector is “trained” to recognize flame and non-flame events

Development time shifted to computer optimization

FlameGard 5 MSIR Multi-Spectral IR Flame Detector

Detector Placement

As with other IR flame detectors, the location of the FlameGard 5 MSIR must be considered carefully:

Place detector so field of view covers areas where fires may occur1

Locate detectors at the corners of an area or module1

Employ CAD tools to optimize area coverage at the design stage1

Install detectors on the perimeter of equipment under detection, with an unobstructed line of sight and on rigid mounting points2

1 HSE Hazardous Installations Directorate, Offshore Division, “Fire and Explosion Strategy, Issue 1.”2 “HSSE Fire Protection Design Philosophy,” British Petroleum, Document No. OCC-IPMT-PR-HSSE-00004, Rev 0.

FlameGard 5 MSIR Multi-Spectral IR Flame Detector

Recommended Practices

Mount units 3 - 5 meters (10 - 15 ft) above the ground

Tilt instrument down to avoid direct sunlight

Reduce instrument sensitivity to medium level (34 m; 110 ft range) in installations where highest range is not needed

Set delay time to 8 seconds or higher (via dip switch) to allow discrimination time between flame and false signal

Configure placement to point detectors in different directions, but cover the same field of view

Implement a voting scheme

FlameGard 5 MSIR Multi-Spectral IR Flame Detector

Wiring

No TB1 Function TB2 Function

1 CAL_IO CHGND

2 COM2- GND

3 COM2+ +24 Vin

4 RLY_10 0 – 20 mA

5 ALM 2 COM1-

6 ALM 1 COM1+

7 ALM C TEST_10

8 WARN C FLT C

9 WARN 1 FLT 1

10 WARN 2 FLT 2

1

2

3

4

5

6

7

8

9

10 1

2

3

4

5

6

7

8

9

10

FLT2FLT1FLTCTEST_IO

COM1+COM1-

0-20MA+24INGND

CHGND

WARN2WARN1

WARNC

ALMCALM1

ALM2RLY_IO

COM2+COM2-

CAL_IO

P2

P1

TB2

TB1

FlameGard 5 MSIR Multi-Spectral IR Flame Detector

Test Lamp Check

Independently verify operation of the FlameGard 5 MSIR

Using the FlameGard 5 test lamp, self-sensing test lamp mode allows remote testing up to 11 meters

Four ways to conduct a test lamp check:

1. Flashing of the test lamp

2. Momentary grounding of test wire1

3. Modbus command

4. HART command

1 ULC does not approve the grounding of test wire as an option for enabling test mode.

FlameGard 5 MSIR Multi-Spectral IR Flame Detector

Regardless of approach used to activate test mode, each time a FlameGard 5 MSIR

successfully detects the test lamp it records a time stamp of the event

Fault Conditions

FlameGard 5 MSIR self-diagnostics informs users when certain types of device failures have occurred

If a fault is detected, the output signal decreases, the fault relay de-energizes, one of these fault codes is displayed:

Bit Position Description

F3 COPM

F4 Low voltage

F6 Data flash checksum

F7 Code flash checksum

F15 Relay reset shorted

FlameGard 5 MSIR Multi-Spectral IR Flame Detector

HART

A configuration of the FlameGard 5 MSIR is available with the HART protocol Provides uniform and

consistent communication for all field devices

Enables continuous, real time access to diagnostic, process, and maintenance data

Because HART requires a minimum current for operation, all fault conditions of the FlameGard 5 MSIR HART configuration use 1.25 mA as analog output value

FunctionCurrent Level (mA)

Analog Output

Modbus HART

Startup 0 to 0.2 0 to 0.2 1.25

Fault 0 to 0.2 0 to 0.2 1.25

Test Mode

1.5 ± 0.2 1.5 ± 0.2 1.25

COPM Fault

2.0 ± 0.2 2.0 ± 0.2 1.25

Ready Signal

4.3 ± 0.2 4.3 ± 0.2 4.3 ± 0.2

Warn 16.0 ± 0.2 16.0 ± 0.2 16.0 ± 0.2

Alarm 20.0 ± 0.2 20.0 ± 0.2 20.0 ± 0.2

FlameGard 5 MSIR Multi-Spectral IR Flame Detector

Uses of HART and Modbus

Asset management and process improvement

Check compliance to maintenance schedule

Coordinate test lamp checks to reduce labor cost

Aggregate maintenance to a control room – anywhere in the world

Read fault conditions from control room – before sending technician to the field

FlameGard 5 MSIR Multi-Spectral IR Flame Detector

Applications

Well suited for a wide range of applications:Gas compressor stationsPipelinesGas turbine power plantsOil and gas terminalsRefineriesOil and gas storage tanksOil and gas platforms

In general, the FlameGard 5 MSIR may be installed in any facility that is vulnerable to fire due to the hazardous nature of the materials handled

FlameGard 5 MSIR Multi-Spectral IR Flame Detector

Conclusion

Offers significant advantages over many detection instruments in the marketplace Long detection range and wide field of view Immunity to common false alarm sources Event logging Digital communication (HART and Modbus) Worldwide regulatory approvals

Reduces total cost of ownership Because of its large area coverage, reduces the number of

detectors necessary in many applications Enhances management of maintenance, faults, and warning and

alarm records through HART and Modbus With HART, reduces need for new hardwiring

FlameGard 5 MSIR Multi-Spectral IR Flame Detector