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INSTRUCTION MANUAL (A
INVERTER
PRECAUTIONSOF THE
PARA
FR-F720-0.75K to 110KFR-F740-0.75K to 560K
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1
3
4
5
6
7
1
2
1 OUTLINE
This chapter describes the basic "OUTLINE" for use of this
product.Always read the instructions before using the equipment
1.1 Product checking and parts identification................21.2 Inverter and peripheral devices...............................31.3 Method of removal and reinstallation of the front
cover .......................................................................6
1.4 Installation of the inverter and enclosure design.....8
DU ....................................... ...Operation panel (FR-DU07)
PU................................................Operation panel (FR-DU07) and parameter unit (FR-PU04/
FR-PU07)
Inverter ................................... Mitsubishi inverter FR-F700 series
FR-F700 .................................Mitsubishi inverter FR-F700 series
Pr. ........................................... Parameter Number
PU operation...........................Operation using the PU (FR-DU07/FR-PU04/FR-PU07).
External operation ..................Operation using the control circuit signals
Combined operation ...............Combined operation using the PU (FR-DU07/FR-PU04/
FR-PU07) and external operation.
Mitsubishi standard motor ......SF-JR
Mitsubishi constant-torque motor.SF-HRCA
LONWORKS is a registered trademark of Echelon Corporation in the U.S.A and other
countries.
DeviceNetTM is a registered trademark of ODVA (Open DeviceNet Vender
Association, Inc.). Other company and product names herein are the trademarks and registered
trademarks of their respective owners.
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Product checking and parts identification
1.1 Product checking and parts identificationUnpack the inverter and check the capacity plate on the front cover and the rating plate on the inverter side face to
ensure that the product agrees with your order and the inverter is intact.
REMARKSFor removal and reinstallation of covers, refer topage 6.
Harmonic suppression guideline
All models of general-purpose inverters used by specific consumers are covered by "Harmonic suppression guideline for consumerswho receive high voltage or special high voltage". ( For further details, refer to page 47.)
Operation panel (FR-DU07)
Front cover
EMC filter ON/OFF connector
Control circuit
terminal block
AU/PTC switchover switch
Main circuit terminal blockCharge lampLit when power issupplied to the maincircuit
Power lamp
Lit when the control circuit
(R1/L11, S1/L21) is supplied
with power.
Cooling fan
PU connectorRS-485 terminals
Connector for plug-in option connection
(Refer to the instruction manual of options.)
Alarm lamp
Lit when the inverter is
in the alarm status
(major fault).
Capacity plate
Inverter type Serial number
Capacity plate
Rating plate
Voltage/current input switch
K5.5
Indicate invertercapacity (kW)
FR-F740-5.5K
FR - -F740
Symbol
F740
Voltage Class
Three-phase 400V class
F720 Three-phase 200V class
Rating plateInverter type
Input ratingOutput rating
Serial number
FR-F740-5.5KApplied motor
capacity
Inverter Type
Combed shaped
wiring cover
(Refer to page 32)(Refer to page 33)
(Refer to page 6)
(Refer to page 15)
(Refer to page 16)
(Refer to page 256)
(Refer to page 26)
(Refer to page 96)
Accessory Fan cover fixing screws (30K or less)
(Refer to the Instruction Manual (basic) )
Capacity Screw Size (mm) Number
200V
2.2K to 5.5K M3 35 17.5K to 15K M4 40 218.5K to 30K M4 50 1
400V
3.7K, 5.5K M3 35 17.5K to 18.5K M4 40 222K, 30K M4 50 1
(Refer to page 16)
(Refer to page 6)
(Refer to page 19)
DC reactor supplied (75K or more)
Eyebolt for hanging the inverter (37K to 315K)
M8 two pieces
(Refer to page 14, 143)
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Inverter and peripheral devices
1.2.1 Peripheral devices
Check the motor capacity of the inverter you purchased. Appropriate peripheral devices must be selected according
to the capacity. Refer to the following list and prepare appropriate peripheral devices:
200V class
Motor
Output (kW)*1
Applicable Inverter Type
Breaker Selection*2,4Input Side Magnetic
Contactor*3
Reactor connection with commercialpower-supply
operation
Reactor connection
without with without with
0.75 FR-F720-0.75K 30AF 10A 30AF 10A 30AF 10A S-N10 S-N10
1.5 FR-F720-1.5K 30AF 15A 30AF 15A 30AF 15A S-N10 S-N10
2.2 FR-F720-2.2K 30AF 20A 30AF 15A 30AF 20A S-N10 S-N10
3.7 FR-F720-3.7K 30AF 30A 30AF 30A 30AF 30A S-N20, N21 S-N10
5.5 FR-F720-5.5K 50AF 50A 50AF 40A 50AF 50A S-N25 S-N20, N21
7.5 FR-F720-7.5K 100AF 60A 50AF 50A 100AF 60A S-N25 S-N25
11 FR-F720-11K 100AF 75A 100AF 75A 100AF 75A S-N35 S-N35
15 FR-F720-15K 225AF 125A 100AF 100A 225AF 125A S-N50 S-N50
18.5 FR-F720-18.5K 225AF 150A 225AF 125A 225AF 150A S-N65 S-N50
22 FR-F720-22K 225AF 175A 225AF 150A 225AF 175A S-N80 S-N6530 FR-F720-30K 225AF 225A 225AF 175A 225AF 225A S-N95 S-N80
37 FR-F720-37K 400AF 250A 225AF 225A 400AF 250A S-N150 S-N125
45 FR-F720-45K 400AF 300A 400AF 300A 400AF 350A S-N180 S-N150
55 FR-F720-55K 400AF 400A 400AF 350A 600AF 500A S-N220 S-N180
75 FR-F720-75K 400AF 400A 400AF 400A S-N300
90 FR-F720-90K 400AF 400A 600AF 500A S-N300
110 FR-F720-110K 600AF 500A 600AF 600A S-N400
*1 Selections for use of the Mitsubishi 4-pole standard motor with power supply voltage of 200VAC 50Hz.
*2 Select the MCCB according to the inverter power supply capacity.Install one MCCB per inverter.For installations in the United States or Canada, use the fuse certified by the UL and cUL.(Refer to the Instruction Manual (basics).)
*3 Magnetic contactor is selected based on the AC-1 class. The electrical durability of magnetic contactor is 500,000 times. When the magneticcontactor is used for emergency stop during motor driving, the electrical durability is 25 times.When using the MC for emergency stop during motor driving or using on the motor side during commercial-power supply operation, select theMC with class AC-3 rated current for the motor rated current.
*4 When the breaker on the inverter primary side trips, check for the wiring fault (short circuit), damage to internal parts of the inverter, etc.Identify the cause of the trip, then remove the cause and power on the breaker.
MCCB INV
MCCB INV
IM
IM
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Method of removal and reinstallation of the
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front cover
1.3 Method of removal and reinstallation of the front coverRemoval of the operation panel
1) Loosen the two screws on the operation panel.
(These screws cannot be removed.)
2) Push the left and right hooks of the operation panel
and pull the operation panel toward you to remove.
When reinstalling the operation panel, insert it straight to reinstall securely and tighten the fixed screws of the
operation panel.
FR-F720-30K or less, FR-F740-30K or less
Removal
Reinstallation
Installation hook
Front cover
Front cover
1) Loosen the installation screws of the
front cover.
2) Pull the front cover toward you to remove by pushing an
installation hook using left fixed hooks as supports.
Front cover Front cover
Front cover
1) Insert the two fixed hooks on the left side of
the front cover into the sockets of the
inverter.
2) Using the fixed hooks as supports,securely press the front cover
against the inverter.(Although installation can be done
with the operation panel mounted,make sure that a connector is
securely fixed.)
3) Tighten the installation
screws and fix the front
cover.
Method of removal and reinstallation of the
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front cover
1
OUT
LINE
FR-F720-37K or more, FR-F740-37K or more
Removal
Reinstallation
CAUTION1. Fully make sure that the front cover has been reinstalled securely. Always tighten the installation screws of the front cover.2. The same serial number is printed on the capacity plate of the front cover and the rating plate of the inverter. Before reinstalling the front
cover, check the serial numbers to ensure that the cover removed is reinstalled to the inverter from where it was removed.
Front cover 2
Front cover 1
Installation hook
1) Remove installation screws on
the front cover 1 to remove the
front cover 1.
2) Loosen the installation
screws of the front cover 2.
3) Pull the front cover 2 toward you to
remove by pushing an installation
hook on the right side using left
fixed hooks as supports.
Front cover 2 Front cover 2
Front cover 2Front cover 1
1) Insert the two fixed hooks on the left side of the
front cover 2 into the sockets of the inverter.
2) Using the fixed hooks as supports, securely
press the front cover 2 against the inverter.
(Although installation can be done with the
operation panel mounted, make sure that a
connector is securely fixed.)
3) Fix the front cover 2 with the
installation screws.
4) Fix the front cover 1 with the
installation screws.
REMARKS
For the FR-F740-185K or more, the front cover 1 is separated into two parts.
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Installation of the inverter andl d i
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enclosure design
1
OUT
LINE
(3) Dust, dirt, oil mist
Dust and dirt will cause such faults as poor contact of contact points, reduced insulation or reduced cooling effect due
to moisture absorption of accumulated dust and dirt, and in-enclosure tempearture rise due to clogged filter.
In the atmosphere where conductive powder floats, dust and dirt will cause such faults as malfunction, deteriorated
insulation and short circuit in a short time.
Since oil mist will cause similar conditions, it is necessary to take adequate measures.
Countermeasures Place in a totally enclosed enclosure.
Take measures if the in-enclosure temperature rises. (Refer to page 10.)
Purge air.
Pump clean air from outside to make the in-enclosure pressure higher than the outside-air pressure.
(4) Corrosive gas, salt damage
If the inverter is exposed to corrosive gas or to salt near a beach, the printed board patterns and parts will corrode or
the relays and switches will result in poor contact.
In such places, take the measures given in Section (3).
(5) Explosive, flammable gases
As the inverter is non-explosion proof, it must be contained in an explosion proof enclosure.
In places where explosion may be caused by explosive gas, dust or dirt, an enclosure cannot be used unless it
structurally complies with the guidelines and has passed the specified tests. This makes the enclosure itself expensive
(including the test charges).
The best way is to avoid installation in such places and install the inverter in a non-hazardous place.
(6) Highland
Use the inverter at the altitude of within 1000m.
If it is used at a higher place, it is likely that thin air will reduce the cooling effect and low air pressure will deteriorate
dielectric strength.
(7) Vibration, impactThe vibration resistance of the inverter is up to 5.9m/s2 (2.9m/s2 for the 185K or more) at 10 to 55Hz frequency and
1mm amplitude as specified in JIS C 60068-2-6.
Vibration or impact, if less than the specified value, applied for a long time may make the mechanism loose or cause
poor contact to the connectors.
Especially when impact is imposed repeatedly, caution must be taken as the part pins are likely to break.
Countermeasures
Provide the enclosure with rubber vibration isolators.
Strengthen the structure to prevent the enclosure from resonance.
Install the enclosure away from sources of vibration.
Installation of the inverter andenclosure design
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enclosure design
1.4.2 Cooling system types for inverter enclosure
From the enclosure that contains the inverter, the heat of the inverter and other equipment (transformers, lamps,
resistors, etc.) and the incoming heat such as direct sunlight must be dissipated to keep the in-enclosure temperature
lower than the permissible temperatures of the in-enclosure equipment including the inverter.
The cooling systems are classified as follows in terms of the cooling calculation method.
1) Cooling by natural heat dissipation from the enclosure surface (Totally enclosed type)
2) Cooling by heat sink (Aluminum fin, etc.)
3) Cooling by ventilation (Forced ventilation type, pipe ventilation type)4) Cooling by heat exchanger or cooler (Heat pipe, cooler, etc.)
1.4.3 Inverter placement
(1) Installation of the Inverter
Cooling System Enclosure Structure Comment
Natural
cooling
Natural ventilation
(Enclosed, open type)
Low in cost and generally used, but the enclosure size
increases as the inverter capacity increases. For
relatively small capacities.
Natural ventilation
(Totally enclosed type)
Being a totally enclosed type, the most appropriate for
hostile environment having dust, dirt, oil mist, etc. The
enclosure size increases depending on the invertercapacity.
Forced
cooling
Heatsink coolingHaving restrictions on the heatsink mounting position
and area, and designed for relative small capacities.
Forced ventilation
For general indoor installation. Appropriate for
enclosure downsizing and cost reduction, and often
used.
Heat pipe Totally enclosed type for enclosure downsizing.
Installation on the enclosure30K or less 37K or more
INV
INV
INV
heatsink
INV
INV
Heatpipe
CAUTIONWhen encasing multiple inverters, install them in parallel as
a cooling measure. Install the inverter vertically.
Vertical
*
*Refer to the clearances on the next page.
Fix six positions for the FR-F740-185K to 400K and fix eight positionsfor the FR-F740-450K to 560K.
Installation of the inverter andenclosure design
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enclosure design
1
OUTLINE
(2) Clearances around the inverter
To ensure ease of heat dissipation and maintenance, leave at least the shown clearances around the inverter. At least the
following clearances are required under the inverter as a wiring space, and above the inverter as a heat dissipation space.
(3) Inverter mounting orientation
Mount the inverter on a wall as specified. Do not mount it horizontally or any other way.
(4) Above the inverter
Heat is blown up from inside the inverter by the small fan built in the unit. Any equipment placed above the inverter
should be heat resistant.
(5) Arrangement of multiple inverters
(6) Placement of ventilation fan and inverter
REMARKS
For replacing the cooling fan of the FR-F740-185K or more, 30cm of space is necessary in front of the inverter.
Refer topage 256for fan replacement.
When multiple inverters are placed in the same
enclosure, generally arrange them horizontally as
shown in the right figure (a). When it is inevitable to
arrange them vertically to minimize space, take such
measures as to provide guides since heat from the
bottom inverters can increase the temperatures in
the top inverters, causing inverter failures.
When mounting multiple inverters, fully take caution
not to make the ambient temperature of the inverter
higher than the permissible value by providing
ventilation and increasing the enclosure size.
Arrangement of multiple inverters
Heat generated in the inverter is blown up from the bottom of
the unit as warm air by the cooling fan. When intalling a
ventilation fan for that heat, determine the place of ventilation
fan installation after fully considering an air flow. (Air passes
through areas of low resistance. Make an airway and airflow
plates to expose the inverter to cool air.)
Placement of ventilation fan and inverter
ClearancesAmbient temperature and humidity
Measurementposition
Measurementposition
Inverter
Leave enough clearances and takecooling measures.
Humidity: 90% RH maximum
55K or less 75K or more
5cm 5cm
5cm
10cm or more 20cm or more
20cm or more10cm or more
5cmor more *
5cmor more *
10cmor more
10cmor more
Temperature: -10C to 50C
(front)
*1cm or more for 3.7K or less
Clearances (side)
Inverter5cm
or more
Guide Guide
Enclosure Enclosure
Guide
(a) Horizontal arrangement (b) Vertical arrangement
Inverter
InverterInverterInverter Inverter
Inverter
Inverter Inverter
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MEMO
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3
4
5
6
7
1
2
2 WIRING
This chapter explains the basic "WIRING" for use of this product.
Always read the instructions before using the equipment
2.1 Wiring ......................................................................142.2 Main circuit terminal specifications..........................162.3 Control circuit specifications....................................262.4 Connection of stand-alone option units ...................34
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Wiring
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2
WIRING
2.1.2 EMC filter
This inverter is equipped with a built-in EMC filter (capacitive filter) and common mode core.
The EMC filter is effective for reduction of air-propagated noise on the input side of the inverter.
The EMC filter is factory-set to disable (OFF). To enable it, fit the EMC filter ON/OFF connector to the ON position.
The input side common mode core, built-in the 55K or less inverter, is always valid regardless of on/off of the EMC filter
on/off connector.
The FR-F720-0.75K and 1.5K are not provided with the EMC filter ON/OFF connector. (Always ON)
(1) Before removing a front cover, check to make sure that the indication of the inverter operation panel is off, wait for
at least 10 minutes after the power supply has been switched off, and check that there are no residual voltage
using a tester or the like. (For the front cover removal method, refer to page 6.)(2) When disconnecting the connector, push the fixing tab and pull the connector straight without pulling the cable or
forcibly pulling the connector with the tab fixed. When installing the connector, also engage the fixing tab securely.
If it is difficult to disconnect the connector, use a pair of long-nose pliers, etc.
CAUTION Fit the connector to either ON or OFF. Enabling (turning on) the EMC filter increase leakage current. (Refer to page 43)
WARNINGWhile power is on or when the inverter is running, do not open the front cover. Otherwise you may get an electric shock.
EMC filter OFF EMC filter OFF EMC filter OFFEMC filter ON EMC filter ON EMC filter ON
VU W
(initial setting) (initial setting) (initial setting)
EMC filter
ON/OFFconnector
0.75K to 5.5K 7.5K, 11K15K or more
FR-F720-2.2K to 5.5KFR-F740-0.75K to 5.5K
FR-F720-7.5K, 11KFR-F740-7.5K, 11K
FR-F720-15KFR-F740-15K, 18.5K
FR-F720-18.5K to 30KFR-F740-22K, 30K
FR-F720-37K or moreFR-F740-37K or more
EMC filterON/OFF connector
(Side view)
Disengage connector fixing tab With tab disengaged,pull up connector straight.
Main circuit terminal specifications
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2.2 Main circuit terminal specifications
2.2.1 Specification of main circuit terminal
2.2.2 Terminal arrangement of the main circuit terminal, power supply and the motorwiring
200V class
TerminalSymbol
Terminal Name Description
R/L1,
S/L2,
T/L3
AC power input
Connect to the commercial power supply.
Keep these terminals open when using the high power factor converter
(FR-HC, MT-HC) or power regeneration common converter (FR-CV).
U, V, W Inverter output Connect a three-phase squirrel-cage motor.
R1/L11,
S1/L21
Power supply for
control circuit
Connected to the AC power supply terminals R/L1 and S/L2. To retain thealarm display and alarm output or when using the high power factorconverter (FR-HC, MT-HC) or power regeneration common converter (FR-CV), remove the jumpers from terminals R/L1-R1/L11 and S/L2-S1/L21and apply external power to these terminals.Do not turn off the power supply for control circuit (R1/L11, S1/L21) with themain circuit power (R/L1, S/L2, T/L3) on. Doing so may damage theinverter. The circuit should be configured so that the main circuit power (R/L1, S/L2, T/L3) is also turned off when the power supply for control circuit(R1/L11, S1/L21) is off.
P/+, N/-Brake unit
connection
Connect the brake unit (FR-BU, BU and MT-BU5), power regeneration
common converter (FR-CV), high power factor converter (FR-HC and
MT-HC) or power regeneration converter (MT-RC).
P/+, P1DC reactor
connection
For the 55K or less, remove the jumper across terminals P/+ - P1 and
connect the DC reactor. (Be sure to connect the DC reactor supplied
with the 75K or more.)
PR, PX Please do not remove or use terminals PR and PX or the jumper connected.
Earth (ground)For earthing (grounding) the inverter chassis. Must be earthed
(grounded).
FR-F720-0.75K, 1.5K FR-F720-2.2K to 5.5K
15K or less 18.5K 22K or more
200V class 60VA 80VA 80VA
400V class 60VA 60VA 80VA
R/L1 S/L2 T/L3
N/- P/+
PR
PXR1/L11 S1/L21
Charge lamp
As this is an inside cover fixing scr ew,do not remove it.
JumperScrew size (M4)
Screw size(M4)
Jumper
MotorPower supply
IM
R/L1 S/L2 T/L3 N/- P/+ PR
PXR1/L11 S1/L21
IMCharge lamp
JumperScrew size (M4)
Screw size(M4)
Jumper
MotorPowersupply
Main circuit terminal specifications
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2
WIRING
FR-F720-7.5K, 11K FR-F720-15K
FR-F720-18.5K to 30K FR-F720-37K to 55K
FR-F720-75K to 110K
R/L1 S/L2 T/L3
N/- P/+ PR
PX
R1/L11 S1/L21
IM
Screw size(M5)
Screw size (M5)
JumperJumper
Charge lamp
MotorPower supply
Screw size of terminalR1/L11, S1/L21, PRand PX is M4.
R1/L11 S1/L21
R/L1 S/L2 T/L3 N/-
P/+
PR
Charge lamp
Jumper
Jumper
Screw size(M4)
Screw size (M5)
Screw size (M5)
Power supply
IMMotor
R/L1 S/L2 T/L3 N/- P/+
PR
R1/L11 S1/L21
IM
Screw size (M4)
Screw size (M6)
Jumper
Jumper
Charge lamp
MotorPower supply
Screw size(18.5K:M6, 22K/30K:M8)
R/L1 S/L2 T/L3 N/- P/+
R1/L11 S1/L21
IM
Screw size(M4)
Jumper
Jumper
Charge lamp
MotorPowersupply
Screw size(37K:M6, 45K/55K:M8)
Screw size(37K:M8, 45K/55K:M10)
R/L1 S/L2 T/L3 N/-
P/+
R1/L11 S1/L21
P/+
P/+
IM
Screw size (M4)
Screw size (M12)
Screw size(M10)
Jumper
Charge lamp
MotorPower supplyScrew size (M12)
(for option)
DC reactor
Main circuit terminal specifications
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18
400V class
FR-F740-0.75K to 5.5K FR-F740-7.5K, 11K
FR-F740-15K, 18.5K FR-F740-22K, 30K
FR-F740-37K to 55K FR-F740-75K to 110K
R/L1 S/L2 T/L3 N/- P/+ PR
PXR1/L11 S1/L21
IMCharge lamp
JumperScrew size (M4)
Screw size(M4)
Jumper
MotorPowersupply
R/L1 S/L2 T/L3
N/- P/+ PR
PX
R1/L11 S1/L21
IM
Screw size(M4)
Screw size(M4)
Jumper Jumper
Charge lamp
MotorPower supply
R1/L11 S1/L21
R/L1 S/L2 T/L3 N/-
P/+
PR
Charge lamp
Jumper
Jumper
Screw size(M4)
Screw size (M5)
Screw size (M5)
Power supply
IMMotor
R/L1 S/L2 T/L3 N/- P/+
PR
R1/L11 S1/L21
IM
Screw size (M4)
Screw size (M6)
Screw size (M6)
Jumper
Jumper
Charge lamp
Power supply Motor
IM
Jumper
Jumper
Charge lamp
Screw size(M4)
Powersupply
Motor
R/L1 S/L2 T/L3 N/- P/+
R1/L11 S1/L21
Screw size(37K: M6, 45K/55K: M8)
Screw size (37K: M6, 45K/55K: M8)
IM
R/L1 S/L2 T/L3 N/- P/+
R1/L11 S1/L21
DC reactor
Screw size (M10)
Screw size (M4)
Powersupply
Motor
Jumper
Charge lamp
P/+
Screw size(75K: M8, 90K/110K: M10)
Screw size(75K: M8,
90K/110K: M10)
Screw size(75K: M8, 90K/110K: M10)
Main circuit terminal specifications
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2
WIRING
FR-F740-132K to 220K FR-F740-250K to 560K
CAUTION
The power supply cables must be connected to R/L1, S/L2, T/L3. Never connect the power cable to the U, V, W of the inverter.
Doing so will damage the inverter. (Phase sequence needs not to be matched.)
Connect the motor to U, V, W. At this time, turning on the forward rotation switch (signal) rotates the motor in the
counterclockwise direction when viewed from the motor shaft.
When wiring the inverter main circuit conductor of the 250K or more, tighten a nut from the right side of the conductor. When
wiring two wires, place wires on both sides of the conductor. (Refer to the drawing below.) For wiring, use bolts (nuts) provided
with the inverter.
Handling of the wiring cover(FR-F720-18.5K, 22K, FR-F740-22K, 30K)For the hook of the wiring cover, cut off the necessary
parts using a pair of long-nose pliers etc.
IM
R /L 1 S/L2 T /L 3 N /-
P/+
R1/L11 S1/L21
P/+
P/+
Screw size (M4)
Jumper
Charge lamp
Screw size(M10)
Motor
Screw size (M12)
(for option)
Power supplyDC reactor
Screw size(132K/160K: M10185K/220K: M12)
IM
R/L1 S/L2 T/L3 N/-
R1/L11 S1/L21
P/+
P/+
Screw size (M4)
Jumper
Charge lamp
MotorPower supply
DC reactor
Screw size (M12)
Screw size (M10)
CAUTIONCut off the same number of lugs as wires. If parts where
no wire is put through has been cut off (10mm or more),
protective structure (JEM1030) becomes an open type
(IP00).
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Main circuit terminal specifications
(3) Total wiring length
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WIRING
(3) Total wiring length
The overall wiring length for connection of a single motor or multiple motors should be within the value in the table below.
* For the 75K or more, the setting range ofPr. 72 PWM frequency selection is "0 to 6".
When driving a 400V class motor by the inverter, surge voltages attributable to the wiring constants may occur atthe motor terminals, deteriorating the insulation of the motor.Refer topage 51 for measures against deteriorated insulation.
(4) Cable size of the control circuit power supply (terminal R1/L11, S1/L21)
Terminal Screw Size: M4
Cable size: 0.75mm2 to 2mm2
Tightening torque: 1.5Nm
Pr. 72 PWM frequency selection Setting(carrier frequency)
0.75K 1.5K 2.2K or More
2 (2kHz) or less 300m 500m 500m
3 to 15 (3kHz to 14.5kHz) * 200m 300m 500m
Total wiring length (1.5K or more)
CAUTION
Especially for long-distance wiring, the inverter may be affected by a charging current caused by the stray capacitances of thewiring, leading to a malfunction of the overcurrent protective function or fast response current limit function or a malfunction orfault of the equipment connected on the inverter output side. If fast-response current limit function malfunctions, disable thisfunction. (ForPr.156 Stall prevention operation selection, refer to page 73 .)
For details ofPr. 72 PWM frequency selection , refer to page 142. (When using an optional sine wave filter (MT-BSL/BSC) for the75K or more, set 25 inPr.72 (2.5kHz)).
500m or less
300m
300m
300m + 300m = 600m
Main circuit terminal specifications
2.2.4 When connecting the control circuit and the main circuit separately
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2.2.4 When connecting the control circuit and the main circuit separatelyto the power supply (separate power)
FR-F720-0.75K to 5.5K, FR-F740-0.75K to 5.5K
FR-F720-7.5K, 11K, FR-F740-7.5K, 11K
When the protected circuit is act ivated, opening of the electromagnetic
contactor (MC) on the inverter power supply side results in power loss in the
control circuit, disabling the alarm output signal retention. Terminals R1/L11
and S1/L21 are provided to hold an alarm signal. In this case, connect the
power supply terminals R1/L11 and S1/L21 of the control circuit to the
primary side of the MC.
1)Loosen the upper screws.
2)Remove the lower screws.
3)Remove the jumper
4)Connect the separate power
supply cable for the control
circuit to the lower terminals
(R1/L11, S1/L21).
1)Remove the upper screws.
2)Remove the lower screws.
3)Remove the jumper.
4)Connect the separate power
supply cable for the control
circuit to the upper terminals
(R1/L11, S1/L21).
Inverter
MC
R/L1
S/L2
T/L3
R1/L11
S1/L21
Remove the jumper
Main circuit terminal block
R1/L11S1/L21
3)
1)
2)
4)
S/L2T/L3
R1/L11S1/L21
R/L1
3)
4)
1)
2)
Main circuitterminal block
S1/L21R1/L11
S/L2 T/
L3
R/L1
R1/L11S1/L21
Main circuit terminal specifications
FR F720 15K FR F740 15K or more
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FR-F720-15K, FR-F740-15K or more1)Remove the upper screws.
2)Remove the lower screws.
3)Pull the jumper toward you to
remove.
4)Connect the separate power supply
cable for the control circuit to the
upper terminals (R1/L11, S1/L21).
Never connect the power cable to
the terminals in the lower stand.
Doing so will damage the inverter.
CAUTION
Do not turn off the control power (terminals R1/L11 and S1/L21) with the main circuit power (R/L1, S/L2, T/L3) on. Doing so maydamage the inverter.
Be sure to use the inverter with the jumpers across terminals R/L1-R1/L11 and S/L2-S1/L21 removed when supplying power fromother sources. The inverter may be damaged if you do not remove the jumper.
The voltage should be the same as that of the main control circuit when the control circuit power is supplied from other than the
primary side of the MC. The power capacity necessary when separate power is supplied from R1/L11 and S1/L21 differs according to the inverter capacity.
When the power supply used with the control circuit is different from the one used with the main circuit, make up a circuit which willswitch off the main circuit power supply terminals R/L1, S/L2, T/L3 when the control circuit power supply terminals R1/L11, S1/L21are switched off.
If the main circuit power is switched off (for 0.1s or more) then on again, the inverter resets and an alarm output will not be held.
S1/L21R1/L11
3)
4)
1)
2)
Power supply
terminal block for
the control circuit
Power supply terminal block
for the control circuitR/L1S/L2T/L3
R1/L11
S1/L21 Power supply
terminal block
for the control circuit
Main power supply
MC
VU W
FR-F720-15KFR-F740-15K, 18.5K
FR-F720-18.5K to 30KFR-F740-22K, 30K
FR-F720-37K or moreFR-F740-37K or more
15K or less 18.5K 22K or more
200V class 60VA 80VA 80VA
400V class 60VA 60VA 80VA
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Control circuit specifications
ype Terminal Terminal
DescriptionRated
Refer to
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*2 Low indicates that the open collector output transistor is on (conducts).
High indicates that the transistor is off (does not conduct).*3 Not output during inverter reset.
(3) Communication
Opencollector
RUNInverter
running
Switched low when the inverter output frequency is equal to or higher
than the starting frequency (initial value 0.5Hz). Switched high during
stop or DC injection brake operation. *2
Permissible load
24VDC 0.1A
(A voltage drop is
3.4V maximum
when the signal is
on.)
107
SUUp to
frequency
Switched low when the output frequency
reaches within the range of 10% (initial
value) of the set frequency. Switched high
during acceleration/deceleration and at astop. *2
Alarm code (4bit)
output
107
OLOverload
warning
Switched low when stall prevention is
activated by the stall prevention
function. Switched high when stall
prevention is cancelled. *2
107
IPFInstantaneous
power failure
Switched low when an instantaneous
power failure and under voltage
protections are activated. *2
107
FUFrequency
detection
Switched low when the inverter output
frequency is equal to or higher than the
preset detected frequency and high
when less than the preset detected
frequency. *2
107
SEOpen collector
output commonCommon termina l for terminals RUN, SU, OL, IPF, FU -------------------- -----
Pulse
FM For meter
Select one e.g. output frequency from
monitor items. *3
The output signal is proportional to the
magnitude of the corresponding
monitoring item.
Output item:
Output frequency
(initial setting)
Permissible load
current 2mA
1440 pulses/s at
60Hz
121
AMAnalog signal
output
Output item:
Output frequency
(initial setting)
Output signal 0 to10VDCPermissible loadcurrent 1mA(load impedance10k or more)Resolution 8 bit
121
Type Terminal
Symbol
Terminal
NameDescription Refer to
RS
-485
PU
connector
With the PU connector, communication can be made through RS-485.(for connection on a 1:1 basis only). Conforming standard : EIA-485(RS-485). Transmission format : Multidrop. Communication speed : 4800 to 38400bps. Overall length : 500m
172
RS-485terminals
TXD+ Inverter
transmissionterminal
With the RS-485 terminals, communication can be made through RS-485.Conforming standard : EIA-485(RS-485)Transmission format : Multidrop linkCommunication speed : 300 to 38400bpsOverall length : 500m
174
TXD-
RXD+ Inverter
reception
terminalRXD-
SG Earth (Ground)
Ty Symbol Name
DescriptionSpecifications
Refer to
Control circuit specifications
2.3.2 Changing the control logic
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The input signals are set to sink logic (SINK) when shipped from the factory.
To change the control logic, the jumper connector on the back of the control circuit terminal block must be moved to the
other position.
(The output signals may be used in either the sink or source logic independently of the jumper connector position.)
1)Loosen the two installation screws in both ends of the control circuit terminal block. (These screws cannot be
removed.)
Pull down the terminal block from behind the control circuit terminals.
2)Change the jumper connector set to the sink logic (SINK) on the rear panel of the control circuit terminal block to
source logic (SOURCE).
3)Using care not to bend the pins of the invert er's control circuit connector, reinstall the control circuit terminal block
and fix it with the mounting screws.
CAUTION
1. Make sure that the control circuit connector is fitted correctly.
2. While power is on, never disconnect the control circuit terminal block.
Jumper connector
Control circuit specifications
4)Sink logic and source logic
In sink logic, a signal switches on when a current flows from the corresponding signal input terminal.
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g g p g g p
Terminal SD is common to the contact input signals. Terminal SE is common to the open collector output signals.
In source logic, a signal switches on when a current flows into the corresponding signal input terminal.Terminal PC is common to the contact input signals. Terminal SE is common to the open collector output signals.
When using an external power supply for transistor output
Sink logic typeUse terminal PC as a common terminal to prevent a
malfunction caused by undesirable current. (Do notconnect terminal SD of the inverter with terminal 0V of
the external power supply. When using terminals PC-
SD as a 24VDC power supply, do not install a power
supply in parallel in the outside of the inverter. Doing so
may cause a malfunction due to undesirable current.)
Source logic typeWhen using an external power supply for transistor
output, use terminal SD as a common to preventmisoperation caused by undesirable current.
Current
PC
STFR
STRR
Source logic
Sourceconnector
Current
SD
STFR
STRR
Sinkconnector
Sink logic
Current flow concerning the input/output signal
when sink logic is selected
Current flow concerning the input/output signal
when source logic is selected
DC input (source type)
24VDC
RUN
SE
1
9
R
Inverter
R
Current flow
+ -+-
DC input (sink type)
Inverter
24VDC
RUN
SE
1
9
R
R
Current flow
AY40 typetransistoroutput unit 1
2
910
24VDC SD
PC
STR
STF
Inverter
24VDC
(SD)
9
Current flow
AY80 typetransistoroutput unit
9
1
2
10
PC
STF
STR
SD
Inverter
24VDC
(SD)
24VDC
Current flow
Control circuit specifications
2.3.3 Control circuit terminal layout
T i l i M3 5
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(1) Common terminals of the control circuit (SD, 5, SE)
Terminals SD, 5, and SE are all common terminals (0V) for I/O signals and are isolated from each other. Do not
earth(ground) these terminals.
Avoid connecting the terminal SD and 5 and the terminal SE and 5.
Terminal SD is a common terminal for the contact input terminals (STF, STR, STOP, RH, RM, RL, JOG, RT, MRS, RES,
AU, CS) and frequency output signal (FM).
The open collector circuit is isolated from the internal control circuit by photocoupler.
Terminal 5 is a common terminal for frequency setting signal (terminal 2, 1 or 4) and analog output terminal AM.
It should be protected from external noise using a shielded or twisted cable.
Terminal SE is a common terminal for the open collector output terminal (RUN, SU, OL, IPF, FU).
The contact input circuit is isolated from the internal control circuit by photocoupler.
(2) Signal inputs by contactless switches
2.3.4 Wiring instructions
1) Use shielded or twisted cables for connection to the control circuit terminals and run them away from the main and
power circuits (including the 200V relay sequence circuit).
2) Use two or more parallel micro-signal contacts or twin contacts to
prevent a contact faults when using contact inputs since the
control circuit input signals are micro-currents.
3) Do not apply a voltage to the contact input terminals (e.g. STF) of the control circuit.
4) Always apply a voltage to the alarm output terminals (A, B, C) via a relay coil, lamp, etc.
5) It is recommended to use the cables of 0.75mm2 gauge for connection to the control circuit terminals.
If the cable gauge used is 1.25mm2 or more, the front cover may be lifted when there are many cables running or
the cables are run improperly, resulting in an operation panel contact fault.
6) The maximum wiring length should be 30m (200m for terminal FM).
Terminal screw size: M3.5
Tightening torque: 1.2Nm
The contacted input terminals of the inverter (STF, STR, STOP,
RH, RM, RL, JOG, RT, MRS, RES, AU, CS) can be controlled
using a transistor instead of a contacted switch as shown on the
right.
External signal input using transistor
A1 B1 C1 A2 B2 C2 10E 10 2 5 4
1AMSDRESMRSSTOPAURTRHRMRL
PCCSJOGSTRSTFSDSDFUOLIPFSURUNSE
FM
+24V
STF, etc
Inverter
SD
Micro signal contacts Twin contacts
Control circuit specifications
zWiring of the control circuit of the 75K or more
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2.3.5 When connecting the operation panel using a connection cable
When connecting the operation panel (FR-DU07) to the inverter using a cable, the operation panel can be mounted
on the enclosure surface and operationality improves.
Refer topage 177for RS-485 communication.
For wiring of the control circuit of the 75K or more, separate away from wiring of the main circuit.
Make cuts in rubber bush of the inverter side and lead wires.
REMARKS
Overall wiring length when the operation panel is connected: 20m
Refer to the following when fabricating the cable on the user side.
Commercially available product examples
(as of Apr, 2004)
Rubber bush
(view from the inside)
Make cuts along the lines inside witha cutter knife and such.
Parameter unit connection cable(FR-CB2)(option)
Operation panel(FR-DU07)
Operation panel connection connector(FR-ADP)(option)
* Do not use pins No. 2, 8 of the 10BASE-T cable.
Product Type Maker
1) 10BASE-T cable SGLPEV-T 0.5mm 4P * Mitsubishi Cable Industries, Ltd.
2) RJ-45 connector 5-554720-3 Tyco Electronics Corporation
Control circuit specifications
2.3.6 RS-485 terminal block Conforming standard: EIA-485(RS-485)
OPEN
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Transmission format: Multidrop link Communication speed: MAX 38400bps Overall length: 500m Connection cable:Twisted pair cable
(4 paires)
2.3.7 Communication operation
Using the PU connector or RS-485 terminal, you can perform communication operation from a personal computer
etc. When the PU connector is connected with a personal, FA or other computer by a communication cable, a user
program can run and monitor the inverter or read and write to parameters.
For the Mitsubishi inverter protocol (computer link operation), communication can be performed with the PU
connector and RS-485 terminal.
For the Modbus RTU protocol, communication can be performed with the RS-485 terminal.
For further details, refer to page 172.
RXDRDA1
(RXD1+)RDB1
(RXD1-)RDA2
(RXD2+)RDB2
(RXD2-)
SDA1(TXD1+)
SDB1(TXD1-)
SDA2(TXD2+)
SDB2(TXD2-)
P5S(VCC)
SG(GND)
P5S(VCC)
SG(GND) VCC
TXD
OPEN
100
Terminating resistor switchFactory-set to "OPEN".Set only the terminating resistor switch ofthe remotest inverter to the "100" position.
Connection of stand-alone option units
2.4 Connection of stand-alone option units
The inverter accepts a variety of stand alone option units as required
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The inverter accepts a variety of stand-alone option units as required.
Incorrect connection will cause inverter damage or accident. Connect and operate the option unit carefully in
accordance with the corresponding option unit manual.
2.4.1 Connection of the brake unit (FR-BU/MT-BU5)
When connecting the brake unit (FR-BU(H)/MT-BU5) to improve the brake capability at deceleration, make connectionas shown below.
(1) Connection with the FR-BU (55K or less)
*1 Connect the inverter terminals (P/+, N/-) and brake unit (FR-BU (H)) terminals so that their terminal signals match
with each other. (Incorrect connection will damage the inverter.)
*2 When the power supply is 400V class, install a step-down transformer.
*3 The wiring distance between the inverter, brake unit (FR-BU) and resistor unit (FR-BR) should be within 5m. If
twisted wires are used, the distance should be within 10m.
CAUTION If the transistors in the brake unit should become faulty, the resistor can be unusually hot, causing a fire. Therefore, install a
magnetic contactor on the inverters input side to configure a circuit so that a current is shut off in case of fault.
Do not remove a jumper across terminal P/+ and P1 except when connecting a DC reactor.
U
VW
P/+
N/
R/L1
S/L2T/L3
Motor
IM
Inverter
PR
N/
P/+
P
HA
HB
HC
FR-BU
FR-BR
TH2
TH1
PR
*1
Three-phase AC
power supply
MCCB MC
MC
OFFON
MC
T *2
*3
5m or less
Connection of stand-alone option units
(2) Connection with the MT-BU5 (75K or more)
After making sure that the wiring is correct, set "1" inPr.30 Regenerative function selection. (Refer to page 99)
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Make cuts in rubber bush of the upper portion of the inverter and lead a cable.
1) Make cuts in the rubber bush for leading the CN8 connector cable with a nipper or cutter knife.
2) Insert a connector on the MT-BU5 side through a rubber bush to connect to a connector on the inverter side.
*1 When the power supply is 400V class, install a step-down transformer.*2 The wiring length between the resistor unit and brake resistor should be 10m maximum when wires are
twisted and 5m maximum when wires are not twisted.
CAUTION Install the brake unit in a place where a cooling air reaches the brake unit heatsink and within a distance of the cable supplied
with the brake unit reaches the inverter. For wiring of the brake unit and inverter, use an accessory cable supplied with the brake unit. Connect the main circuit cable to
the inverter terminals P/+ and N/- and connect the control circuit cable to the CN8 connector inside by making cuts in therubber bush at the top of the inverter for leading the cable.
The brake unit which uses multiple resistor units has terminals equal to the number of resistor units. Connect one resistor unitto one pair of terminal (P, PR).
CAUTIONClamp the CN8 connector cable on the inverter side with a wire clamp securely.
MC
R/L1Motor
IM
Inverter
Brake unitMT-BU5
Resistor unitMT-BR5
S/L2
T/L3
U
V
P/+
N/P
PR
P
PR
P
PR
P TH1
TH2
PR
CN8
W
Three-phaseAC powersupply
MCCB
TH1
TH2
MC
OFFON
MC
CR1 CR2
CR1
CR2
T *1
5m orless
*2
Rubber bushes
Make cuts inrubber bush
Insert the connector until
you hear a click sound.
CN8 connectorWire clamp
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Connection of stand-alone option units
(2) Connection with the MT-HC (75K or more)
MCCBMT-HCL01 MT-HCB MT-HCL02 MT-HC Inverter
M t
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*1 Remove the jumper across terminals R-R1, S-S1 of the inverter, and connect the control circuit power
supply to the R1 and S1 terminals. The power input terminals R/L1, S/L2, T/L3 must be open. Incorrect
connection will damage the inverter. (E.OPT (option alarm) will occur. (Refer to page 244.)
*2 Do not insert the MCCB between terminals P/+ N/- (P/+ P/+, N/- N/-). Opposite polarity of terminalsN, P will damage the inverter.
*3 UsePr. 178toPr. 189(input terminal function selection) to assign the terminals used for the X10 (X11) signal.
(Refer to page 101.) For communication where the start command is sent only once, e.g. RS-485
communication operation, use the X11 signal when making setting to hold the mode at occurrence of an
instantaneous power failure.(Refer to page 99.)*4 Connect the power supply to terminals R1 and S1 of the MT-HC via an insulated transformer.
CAUTION Use sink logic (factory setting) when the MT-HC is connected. The MT-HC cannot be connected when source logic is
selected.
The voltage phases of terminals R/L1, S/L2, T/L3 and terminals R4, S4, T4 must be matched. When connecting the inverter to the MT-HC, do not connect the DC reactor provided to the inverter.
Three-phaseAC powersupply
R1 S1
R1 S1R1/L11
S1/L21
MT-HCTRInsulated transformer
R
S
T
R/L1
S/L2
T/L3
U
V
W
R2
S2
T2
R2
S2
T2
R3
S3
T3
R3
S3
T3
R4
S4
T4
R4
S4
T4
R
S
T
88R
88S
88R
88S*2
RDY
RSO
SE
X10
RES
SD
*3
*1
*1
*4
Motor
IM
P
N
P/+
N/
Connection of stand-alone option units
2.4.4 Connection of the power regeneration common converter (FR-CV)(55K or less)
When connecting the power regeneration common converter (FR-CV), make connection so that the inverter terminals
(P/+ N/ ) d th t i l b l f th ti t (FR CV) th
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(P/+, N/-) and the terminal symbols of the power regeneration common converter (FR-CV) are the same.
After making sure that the wiring is correct, set "2" inPr. 30 Regenerative function selection. (Refer to page 99.)
*1 Remove the jumpers across terminals R/L1-R1/L11 and S/L2-S1/L21 of the inverter, and connect the
control circuit power supply across terminals R1/L11-S1/L21. Always keep the power input terminals R/
L1, S/L2, T/L3 open. Incorrect connection will damage the inverter. (E.OPT (option alarm) will occur.
(Refer to page 244.))
*2 Do not insert an MCCB between the terminals P/+ N/- (between P/L+ P/+, between N/L- N/-).Opposite polarity of terminals N/-, P/+ will damage the inverter.
*3 Assign the terminal for X10 signal using any ofPr. 178 to Pr. 189 (input terminal function selection).
(Refer to page 101)
*4 Be sure to connect the power supply and terminals R/L11, S/L21, T/MC1.
Operating the inverter without connecting them will damage the power regeneration common converter.
CAUTION The voltage phases of terminals R/L11, S/L21, T/MC1 and terminals R2/L1, S2/L2, T2/L3 must be matched. Use sink logic (factory setting) when the FR-CV is connected. The FR-CV cannot be connected when source logic is
selected. Do not remove a jumper across terminal P/+ and P1 except when connecting a DC reactor.
R/L11
Dedicated stand-alonereactor (FR-CVL)
S/L21T/L31
R2/L12S2/L22T2/L32
R2/L1S2/L2T2/L3
R/L11S/L21T/MC1
P/L+
U
V
W
IM
FR-CV typePower regenerationcommon converter
Inverter
PC
SD
X10 *3
RES
P24
SD
RDYB
RSO
SE
RDYA
N/L*2
*4
R/L1S/L2T/L3
R1/L11S1/L21
P/+N/
*1
Three-phaseAC power
supply
MCCB MC1
Connection of stand-alone option units
2.4.5 Connection of power regeneration converter (MT-RC) (75K or more)
When connecting a power regeneration converter (MT-RC), perform wiring securely as shown below. Incorrect
connection will damage the regeneration converter and inverter After connecting securely set "1" in
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connection will damage the regeneration converter and inverter. After connecting securely, set 1 in
Pr. 30Regenerative function selection and "0" inPr. 70 Special regenerative brake duty.
2.4.6 Connection of the power factor improving DC reactor (FR-HEL)
When using the DC reactor (FR-HEL), connect it between terminals P1-P/+.
For the 55K or less, the jumper connected across terminals P1-P/+ must be removed. Otherwise, the reactor will not
exhibit its performance.
For the 75K or more, a DC reactor is supplied. Always install the reactor.
CAUTION Refer to the MT-RC manual for precautions for connecting the power coordination reactor and others.
CAUTION The wiring distance should be within 5m. The size of the cables used should be equal to or larger than that of the power supply cables (R/L1, S/L2, T/L3). (Refer to
page 20)
DCL
P1P1
R/L1
S/L2
T/L3
R1/L11
S1/L21
R
S
T
R
S
T
R1
S1
R2
S2
T2
R2
S2
T2
RES
STF
SD
C
B
A
U
V
W
Inverter
MT-RCL
P
P/+ N/
P N
RDY
SE
MT-RC
Reset signal
Alarm signal
Ready signal
Three-phaseAC powersupply
MCCB MC
I M
P1
FR-HEL
Removethe jumper.
P/+
MEMO
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41
3
4
5
6
7
1
2
3PRECAUTIONS FOR USE
OF THE INVERTER
This chapter explains the "PRECAUTIONS FOR USE OF THE
INVERTER" for use of this product.
Always read the instructions before using the equipment
3.1 Noise and leakage currents.....................................423.2 Installation of a reactor ............................................503.3 Power-off and magnetic contactor (MC)..................503.4 Inverter-driven 400V class motor ............................513.5 Precautions for use of the inverter ..........................52
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Noise and leakage currents
3.1.2 Inverter-generated noises and their reduction techniques
Some noises enter the inverter to malfunction it and others are radiated by the inverter to malfunction peripheral
devices. Though the inverter is designed to be insusceptible to noises, it handles low-level signals, so it requires the
following basic techniques Also since the inverter chops outputs at high carrier frequency that could generate noises
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44
following basic techniques. Also, since the inverter chops outputs at high carrier frequency, that could generate noises.
If these noises cause peripheral devices to malfunction, measures should be taken to suppress noises. These
techniques differ slightly depending on noise propagation paths.
1)Basic techniques
Do not run the power cables (I/O cables) and signal cables of the inverter in parallel with each other and do notbundle them.
Use twisted pair shielded cables for the detector connection and control signal cables, and connect the sheathesof the shield cables to terminal SD.
Earth (Ground) the inverter, motor, etc. at one point.
2)Techniques to reduce noises that enter and malfunction the inverter
When devices that generate many noises (which use magnetic contactors, magnetic brakes, many relays, for
example) are installed near the inverter and the inverter may be malfunctioned by noises, the following measures
must be taken:
Provide surge suppressors for devices that generate many noises to suppress noises. Fit data line filters to signal cables.
Earth (Ground) the shields of the detector connection and control signal cables with cable clamp metal.
3)Techniques to reduce noises that are radiated by the inverter to malfunction peripheral devices
Inverter-generated noises are largely classified into those radiated by the cables connected to the inverter and
inverter main circuits (I/O), those electromagnetically and electrostatically induced to the signal cables of the
peripheral devices close to the main circuit power supply, and those transmitted through the power supply cables.
Noise propagated throughpower supply cable
Path 3)
Path 2)
Path 1)Noise directlyradiated from inverter
Path 4), 5)
Air propagatednoise
Path 6)
Electrical pathpropagated noise
Path 8)
Path 7)
Invertergenerated noise
Electromagneticinduction noise
Electrostaticinduction noise
Noise radiated frompower supply cable
Noise radiated frommotor connection cable
Noise from earth (ground)cable due to leakagecurrent
Instrument Receiver
IMMotor
Telephone
Sensor
1)
2)
3)
3)
8)
7)
5)
7)
4)6)
Inverter
1)
Sensorpower supply
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Noise and leakage currents
3.1.3 Power supply harmonics
The inverter may generate power supply harmonics from its converter circuit to affect the power generator, power
capacitor etc. Power supply harmonics are different from noise and leakage currents in source, frequency band and
transmission path. Take the following countermeasure suppression techniques.
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transmission path. Take the following countermeasure suppression techniques.
zThe differences between harmonics and noises are indicated below:
zMeasures
Item Harmonics Noise
FrequencyNormally number 40 to 50 max.
(3kHz or less)High frequency (several 10kHz to 1GHz order)
Environment To-electric channel, power impedance To-space, distance, wiring path
Quantitative understanding Theoretical calculation possible Random occurrence, quantitative grasping difficult
Generated amount Nearly proportional to load capacityDepending on the current fluctuation ratio (larger as
switching is faster)
Affected equipment immunity Specified in standard per equipmentDifferent depending on maker's equipment
specifications
Suppression example Provide reactor. Increase distance.
The harmonic current generated from the inverter
to the input side differs according to various
conditions such as the wiring impedance, whether
a reactor is used or not, and output frequency andoutput current on the load side.
For the output frequency and output current, we
understand that they should be calculated in the
conditions under the rated load at the maximum
operating frequency.
CAUTIONThe power factor improving capacitor and surge suppressor on the inverter output side may be overheated or damaged by the
high frequency components of the inverter output. Also, since an excessive current flows in the inverter to activate overcurrent
protection, do not provide a capacitor and surge suppressor on the inverter output side when the motor is driven by the inverter.
For power factor improvement, install a reactor on the inverter input side or in the DC circuit.
AC reactor
(FR-HAL)
DC reactor(FR-HEL)
Do not insert powerfactor improving capacitor.
MCCB MC
Inverter
Powersupply R
S
T Z
Y
XU
V
W
P1R/L1
S/L2
T/L3
P/+
IM
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Noise and leakage currents
3)Harmonic suppression technique requirement
If the outgoing harmonic current is higher than the maximum value per 1kW (contract power) contract power, aharmonic suppression technique is required.
4)Harmonic suppression techniques
No Item Description
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3
PRECAU
TIONSFORUSEOFTHEINVERTER
No. Item Description
1Reactor installation
(FR-HAL, FR-HEL)
Install an AC reactor (FR-HAL) on the AC side of the inverter or a DC reactor (FR-HEL) on
its DC side or both to suppress outgoing harmonic currents.
2High power factor converter
(FR-HC, MT-HC)
The converter circuit is switched on-off to convert an input current waveform into a sine
wave, suppressing harmonic currents substantially. The high power factor converter (FR-
HC, MT-HC) is used with the standard accessory.
3Installation of power factor
improving capacitor
When used with a series reactor, the power factor improving capacitor has an effect of
absorbing harmonic currents.
4Transformer multi-phase
operationUse two transformers with a phase angle difference of 30 as in - , - combination
to provide an effect corresponding to 12 pulses, reducing low-degree harmonic currents.
5Passive filter
(AC filter)
A capacitor and a reactor are used together to reduce impedances at specific frequencies,
producing a great effect of absorbing harmonic currents.
6 Active filter
This filter detects the current of a circuit generating a harmonic current and generates a
harmonic current equivalent to a difference between that current and a fundamental wave
current to suppress a harmonic current at a detection point, providing a great effect of
absorbing harmonic currents.
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Inverter-driven 400V class motor
3.4 Inverter-driven 400V class motor
In the PWM type inverter, a surge voltage attributable to wiring constants is generated at the motor terminals.
Especially for a 400V class motor, the surge voltage may deteriorate the insulation. When the 400V class motor is
driven by the inverter, consider the following measures:
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3
PRECAU
TIONSFORUSEOFTHEINVERTER
zMeasuresIt is recommended to take either of the following measures:
(1) Rectifying the motor insulation and limiting the PWM carrier frequency according to the wiring length
For the 400V class motor, use an insulation-enhanced motor.
Specifically,
1)Specify the "400V class inverter-driven insulation-enhanced motor".
2)For the dedicated motor such as the constant-torque motor and low-vibration motor, use the "inverter-driven,
dedicated motor".
3)SetPr. 72 PWM frequency selection as indicated below according to the wiring length
(2) Suppressing the surge voltage on the inverter side
Connect the surge voltage suppression filter (FR-ASF-H) to the 55K or less and the sine wave filter (MT-BSL/BSC)to the 75K or more on the inverter output side.
Wiring Length
50m or less 50m to 100m exceeding 100m
Pr. 72 PWM frequency selection 15(14.5kHz) or less 9(9kHz) or less 4(4kHz) or less
CAUTION
For details ofPr. 72 PWM frequency selection , refer to page 142. (When using an optional sine wave filter (MT-BSL/BSC) for the or
more, set 25 inPr.72 (2.5kHz).)
For explanation of surge voltage suppression filter (FR-ASF-H) and sine wave filter (MT-BSL/BSC), refer to the manual of each
option.
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Precautions for use of the inverter
(13) If the machine must not be restarted when power is restored after a power failure, provide a magnetic contactor in theinverter's input side and also make up a sequence which will not switch on the start signal.If the start signal (start switch) remains on after a power failure, the inverter will automatically restart as soon as thepower is restored.
(14) Instructions for overload operationWhen performing an operation of frequent start/stop of the inverter increase/decrease in the temperature of the
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3
PRECAU
TIONSFORUSEOFTHE
INVERTER
When performing an operation of frequent start/stop of the inverter, increase/decrease in the temperature of thetransistor element of the inverter may repeat due to a continuous flow of large current, shortening the life from thermalfatigue. Since thermal fatigue is related to the amount of current, the life can be increased by reducing bound current,starting current, etc. Decreasing current may increase the life. However, decreasing current will result in insufficient
torque and the inverter may not start. Therefore, increase the inverter capacity to have enough allowance for current.
(15) Make sure that the specifications and rating match the system requirements.
MEMO
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4 PARAMETERS
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3
4
5
6
7
1
2
4 PARAMETERS
This chapter explains the "PARAMETERS" for use of this
product.
Always read this instructions before use.
Operation panel (FR-DU07)
4.1 Operation panel (FR-DU07)
4.1.1 Parts of the operation panel (FR-DU07)
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Setting dial
(Setting dial: Mitsubishi inverterdial)
Used to change the
frequency setting and
parameter values.
Operation mode switchoverUsed to switch between the PU and external operation mode.When using the external operation mode (operation using a separatelyconnected frequency setting potentiometer and start signal), press this key tolight up the EXT indication. (Change thePr.79 value to use the combined mode.)PU: PU operation modeEXT: External operation mode
Monitor(4-digit LED)Shows the frequency, parameternumber, etc.
No function
Monitor indicationLit to indicate monitoring mode.
PU: Lit to indicate PU operation mode.EXT: Lit to indicate external operation mode.NET: Lit to indicate network operation mode.
Rotation direction indication
REV: Lit during reverse rotationFWD: Lit during forward rotation
Start commandforward rotation
Start commandreverse rotation
Stop operation
Alarms can be reset
Mode
switchoverUsed to change
each setting mode.
Unit indication Hz: Lit to indicate frequency.A: Lit to indicate current.
V: Lit to indicate voltage.(Flicker when the set frequency monitor isdisplayed.)
* Energy saving monitor is displayed when theenergy saving monitor ofPr. 52 is set.
Used to set each setting.If pressed during operation, monitorchanges as below;
Runningfrequency
Outputcurrent
Outputvoltage
Operation mode indication
On: Forward/reverse operation
Flickering: When the frequency command is
not given even if the
forward/reverse command is given.
*
Operation panel (FR-DU07)
4.1.2 Basic operation (factory setting)
At powering on (external operation mode)
Operation mode switchover
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4
PARAMETERS
PU operation mode
(output frequency monitor)
Parameter setting mode
PU Jog operation mode
Output current monitor Output voltage monitor
Display the currentsetting
Value change
Value change
Parameter write is completed!!
Parameter and a setting valueflicker alternately.
Parameter clear All parameter
clear
Alarm clear
Parameter copy
(Example)
(Example)
Frequency setting has beenwritten and completed!!
and frequency flicker.
[Operation for displaying alarm history]
Past eight alarms can be displayed.
(The latest alarm is ended by ".".)
When no alarm history exists, is displayed.
Parametersetting
Alarmh
istory
Monitor/frequencysetting
(Refer to page 230)
(Refer to page 58)
Operation panel (FR-DU07)
4.1.3 Change the parameter setting value
Changing example Change thePr. 1 Maximum frequency .
DisplayOperation
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4.1.4 Setting dial push
Push the setting dial ( ) to display the set frequency currently set.
are displayed ... Why?
appears. ...... Write disable error
appears. ...... Write error during operation
appears. ......Calibration error
appears. .... . Mode designation error
For details refer to page 236.
REMARKS
The number of digits displayed on the operation panel (FR-DU07) is four. Only the upper four digits of values can be displayedand set. If the values to be displayed have five digits or more including decimal places, the fifth or later numerals can not be
displayed nor set.
(Example) WhenPr.1When 60Hz is set, 60.00 is displayed.When 120Hz is set, 120.0 is displayed. The second decimal places can not be displayed nor set.
1.Screen at powering onThe monitor display appears.
3.Press to choose the parametersetting mode.
4. Pr. 1) appears.
Flicker Parameter setting complete!!
7.Press to set.
5.Press to read the currently set value." "(initial value) appears.
6. urn c ange i o e sevalue " ".
PU indication is lit.2.Press to choose the PU operationmode.
Press to show the setting again.
Press twice to show the next parameter.
By turning , you can read another parameter.
The parameternumber readpreviously appears.
Press twice to return the monitor to frequency monitor.
to
st
Parameter List
4.2 Parameter List
4.2.1 Parameter list
In the initial setting, only the simple mode parameters are displayed.
SetPr. 160 User group read selection as required.
I iti l S tti
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ParameterLis
4
PARAMETERS
Parameter NameInitial
Value
Setting
RangeRemarks
160User group read
selection9999
9999 Only the simple mode parameters can be displayed.
0Simple mode and extended mode parameters can be
displayed.
1Only the parameters registered in the user group can be
displayed.
REMARKS
The parameters marked are the simple mode parameters.
The parameters marked with in the table allow its setting to be changed during operation even if "0" (initial
value) is set inPr. 77 Parameter write selection.
Refer to the appendix 2 (page 288) for instruction codes for communication and availability of parameter clear, all clear, andparameter copy of each parameter.
Function Parameters Name Setting Range
Minimum
Setting
Increments
Initial
Value
Refer
to
Page
Customer
Setting
Basicfunctions
0 Torque boost 0 to 30% 0.1%6/4/3/2/
1.5/1%70
1 Maximum frequency 0 to 120Hz 0.01Hz 120/60Hz 78
2 Minimum frequency 0 to 120Hz 0.01Hz 0Hz 78
3 Base frequency 0 to 400Hz 0.01Hz 60Hz 80
4 Multi-speed setting (high speed) 0 to 400Hz 0.01Hz 60Hz 84
5 Multi-speed setting (middle speed) 0 to 400Hz 0.01Hz 30Hz 84
6 Multi-speed setting (low speed) 0 to 400Hz 0.01Hz 10Hz 84
7 Acceleration time 0 to 3600/ 360s 0.1/0.01s 5s/15s 91 8 Deceleration time 0 to 3600/ 360s 0.1/0.01s 10s/30s 91
9 Electronic thermal O/L relay 0 to 500/0 to 3600A 0.01/0.1ARated inverter
current95
DCinjection
brake
10DC injection brake operation
frequency0 to 120Hz, 9999 0.01Hz 3Hz 98
11 DC injection brake operation time 0 to 10s 0.1s 0.5s 98
12 DC injection brake operation voltage 0 to 30% 0.1% 4/2/1% 98
13 Starting frequency 0 to 60Hz 0.01Hz 0.5Hz 93
14 Load pattern selection 0, 1 1 1 82
Jog
operatio
n
15Jog frequency 0 to 400Hz 0.01Hz 5Hz 86
16 Jog acceleration/deceleration time 0 to 3600/360s 0.1/0.01s 0.5s 86
17 MRS input selection 0, 2 1 0 103
18 High speed maximum frequency 120 to 400Hz 0.01Hz 120/60Hz 78
19 Base frequency voltage 0 to 1000V, 8888, 9999 0.1V 9999 80
Parameter List
eleration/
ationtimes
20Acceleration/deceleration reference
frequency1 to 400Hz 0.01Hz 60Hz 91
Function Parameters Name Setting Range
Minimum
Setting
Increments
Initial
Value
Refer
to
Page
Customer
Setting
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60
Acce
decelera
21Acceleration/deceleration time
increments0, 1 1 0 91
Stall
prevention 22 Stall prevention operation level 0 to 150%, 9999 0.1% 120% 73
23Stall prevention operation levelcompensation factor at double speed
0 to 200%, 9999 0.1% 9999 73
Multi-speed
setting 24
to
27
Multi-speed setting (4 speed to 7
speed)0 to 400Hz, 9999 0.01Hz 9999 84
28
Multi-speed input compensation
selection 0, 1 1 0 88
29Acceleration/deceleration pattern
selection0, 1, 2, 3 1 0 94
30 Regenerative function selection 0, 2/0, 1, 2 1 0 99
Frequencyjump
31 Frequency jump 1A 0 to 400Hz, 9999 0.01Hz 9999 79
32 Frequency jump 1B 0 to 400Hz, 9999 0.01Hz 9999 79
33 Frequency jump 2A 0 to 400Hz, 9999 0.01Hz 9999 79
34 Frequency jump 2B 0 to 400Hz, 9999 0.01Hz 9999 79
35 Frequency jump 3A 0 to 400Hz, 9999 0.01Hz 9999 79
36 Frequency jump 3B 0 to 400Hz, 9999 0.01Hz 9999 79
37 Speed display 0, 1 to 9998 1 0 115
Frequency
detection
41 Up-to-frequency sensitivity 0 to 100% 0.1% 10% 111
42 Output frequency detection 0 to 400Hz 0.01Hz 6Hz 111
43Output frequency detection for
reverse rotation0 to 400Hz, 9999 0.01Hz 9999 111
S
econdfunctions
44Second acceleration/decelerationtime
0 to 3600/360s 0.1/0.01s 5s 91
45 Second deceleration time 0 to 3600/360s, 9999 0.1/0.01s 9999 91
46 Second torque boost 0 to 30%, 9999 0.1% 9999 70
47 Second V/F (base frequency) 0 to 400Hz, 9999 0.01Hz 9999 80
48Second stall prevention operationcurrent
0 to 150% 0.1% 120% 73
49Second stall prevention operation
frequency
0 to 400Hz, 9999 0.01Hz 0Hz 73
50 Second output frequency detection 0 to 400Hz 0.01Hz 30Hz 111
51 Second electronic thermal O/L relay0 to 500A, 9999/0 to 3600A, 9999
0.01/0.1A 9999 95
Monitorfunctions
52 DU/PU main display data selection0, 5, 6, 8 to 14, 17, 20,
23 to 25, 50 to 57, 1001 0 116
54 FM terminal function selection1 to 3, 5, 6, 8 to 14, 17,
21, 24, 50, 52, 531 1 121
55 Frequency monitoring reference 0 to 400Hz 0.01Hz 60Hz 121
56 Current monitoring reference 0 to 500A/0 to 3600A 0.01/0.1ARated
inverter
current
121
List
Parameter List
Automatic
artfunctions
57 Restart coasting time0, 0.1 to 5s, 9999/0, 0.1 to 30s, 9999
0.1s 9999 126
58
Function Parameters Name Setting Range
Minimum
Setting
Increments
Initial
Value
Refer
to
Page
Customer
Setting
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ParameterL
4
PARAMETERS
A
resta 58 Restart cushion time 0 to 60s 0.1s 1s 126
59 Remote function selection 0, 1, 2, 3 1 0 89 60 Energy saving control selection 0, 4, 9 1 0 136
65 Retry selection 0 to 5 1 0 132
66Stall prevention operation reduction
starting frequency0 to 400Hz 0.01Hz 60Hz 73
Retry
67 Number of retries at alarm occurrence 0 to 10, 101 to 110 1 0 132
68 Retry waiting time 0 to 10s 0.1s 1s 132
69 Retry count display erase 0 1 0 132
70 Special regenerative brake duty 0 to 10% 0.1% 0% 99
71 Applied motor 0, 1, 2, 20 1 0 97
72 PWM frequency selection 0 to 15/0 to 6, 25 1 2 142
73 Analog input selection 0 to 7, 10 to 17 1 1 146 74 Input filter time constant 0 to 8 1 1 147
75Reset selection/disconnected PU
detection/PU stop selection0 to 3, 14 to 17 1 14 153
76 Alarm code output selection 0, 1, 2 1 0 134
77 Parameter write selection 0, 1, 2 1 0 155
78 Reverse rotation prevention selection 0, 1, 2 1 0 156
79 Operation mode selection 0, 1, 2, 3, 4, 6, 7 1 0 158
Simplemagnetic
fluxvectorcontrol
80Motor capacity(simple magnetic flux
vector control)
0.4 to 55kW, 9999/
0 to 3600kW, 99990.01/0.1kW 9999 71
90 Motor constant (R1)0 to 50, 9999/
0 to 400m, 9999
0.001/0.01m 9999 71
Adjustable5pointsV/F
100 V/F1(first frequency) 0 to 400Hz, 9999 0.01Hz 9999 83
101 V/F1(first frequency voltage) 0 to 1000V 0.1V 0V 83
102 V/F2(second frequency) 0 to 400Hz, 9999 0.01Hz 9999 83
103 V/F2(second frequency voltage) 0 to 1000V 0.1V 0V 83
104 V/F3(third frequency) 0 to 400Hz, 9999 0.01Hz 9999 83
105 V/F3(third frequency voltage) 0 to 1000V 0.1V 0V 83
106 V/F4(fourth frequency) 0 to 400Hz, 9999 0.01Hz 9999 83
107 V/F4(fourth frequency voltage) 0 to 1000V 0.1V 0V 83
108 V/F5(fifth frequency) 0 to 400Hz, 9999 0.01Hz 9999 83
109 V/F5(fifth frequency voltage) 0 to 1000V 0.1V 0V 83
PUconnectorcommunication
117 PU communication station number 0 to 31 1 0 177
118 PU communication speed 48, 96, 192, 384 1 192 177
119 PU communication stop bit length 0, 1, 10, 11 1 1 177
120 PU communication parity check 0, 1, 2 1 2 177
121 Number of PU communication retries 0 to 10, 9999 1 1 177
122PU communication check time
interval0, 0.1 to 999.8s, 9999 0.1s 9999 177
123PU communication waiting time
setting0 to 150ms, 9999 1 9999 177
124PU communication CR/LF presence/
absence selection
0, 1, 2 1 1 177
Parameter List
125Terminal 2 frequency setting gain
frequency0 to 400Hz 0.01Hz 60Hz 148
126Terminal 4 frequency setting gain
frequency0 to 400Hz 0.01Hz 60Hz 148
127PID control automatic switchover
Function Parameters Name Setting Range
Minimum
Setting
Increments
Initial
Value
Refer
to
Page
Customer
Setting
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PIDoperation
127PID control automatic switchover
frequency0 to 400Hz, 9999 0.01Hz 9999 201
128 PID action selection10, 11, 20, 21, 50, 51,
60, 61 1 10 201
129 PID proportional band 0.1 to 1000%, 9999 0.1% 100% 201
130 PID integral time 0.1 to 3600s, 9999 0.1s 1s 201
131 PID upper limit 0 to 100%, 9999 0.1% 9999 201
132 PID lower limit 0 to 100%, 9999 0.1% 9999 201
133 PID action set point 0 to 100%, 9999 0.01% 9999 201
134 PID differential time 0.01 to 10.00s, 9999 0.01s 9999 201
Electronicbyp
ass
135 Electronic bypass sequence selection 0, 1 1 0 209
136 MC switchover interlock time 0 to 100s 0.1s 1s 209
137 Start waiting time 0 to 100s 0.1s 0.5s 209
138 Bypass selection at an alarm 0, 1 1 0 209
139Automatic switchover frequency from
inverter to bypass operation0 to 60Hz, 9999 0.01Hz 9999 209
Backlashmeasures
140Backlash acceleration stopping
frequency0 to 400Hz 0.01Hz 1Hz 94
141 Backlash acceleration stopping time 0 to 360s 0.1s 0.5s 94
142Backlash deceleration stopping
frequency0 to 400Hz 0.01Hz 1Hz 94
143 Backlash deceleration stopping time 0 to 360s 0.1s 0.5s 94
144 Speed setting switchover0, 2, 4, 6, 8, 10, 102,
104, 106, 108, 1101 4 115
PU 145 PU display language selection 0 to 7 1 0 223
Currentdetection
148 Stall prevention level at 0V input 0 to 150% 0.1% 120% 73
149 Stall prevention level at 10V input 0 to 150% 0.1% 150% 73
150 Output current detection level 0 to 150% 0.1% 120% 112
151Output current detection signal delay
time0 to 10s 0.1s 0s 112
152 Zero current detection level 0 to 150% 0.1% 5% 112
153 Zero current detection time 0 to 1s 0.01s 0.5s 112
154Voltage reduction selection during
stall prevention operation0, 1 1 1 73
155RT signal function validity condition
selection0, 10 1 0 104
156 Stall prevention operation selection 0 to 31, 100, 101 1 0 73
157 OL signal output timer 0 to 25s, 9999 0.1s 0s 73
158 AM terminal function selection1 to 3, 5, 6, 8 to 14, 17,
21, 24, 50, 52, 531 1 121
159Automatic switchover frequency
range from bypass to inverter
operation
0 to 10Hz, 9999 0.01Hz 9999 209
160 User group read selection 0, 1, 9999 1 9999 156
List
Parameter List
161Frequency setting/key lock operation
selection0, 1, 10, 11 1 0 223
crestart
ons
162Automatic restart after instantaneous
power failure selection0, 1, 10, 11 1 0 126
163 First cushion time for restart 0 to 20s 0.1s 0s 126
Function Parameters Name Setting Range
Minimum
Setting
Increments
Initial
Value
Refer
to
Page
Customer
Setting
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63
ParameterL
4
PARAMETERS
Automatic
functio 163
164 First cushion voltage for restart 0 to 100% 0.1% 0% 126
165 Stall prevention operation level forrestart
0 to 150% 0.1% 120% 126
Current
detection 166
Output current detection signal
retention time0 to 10s, 9999 0.1s 0.1s 112
167Output current detection operation
selection0, 1 1 0 112
168 Parameter for manufacturer setting.Do not set. 169
Cumulative
monitorclear
170 Watt-hour meter clear 0, 10, 9999 1 9999 116
171 Operation hour meter clear 0, 9999 1 9999 116
Usergroup
172User group registered display/batch
clear9999, (0 to 16) 1 0 156
173 User group registration 0 to 999, 9999 1 9999 156
174 User group clear 0 to 999, 9999 1 9999 156
Inputterminalfunctio
nassignment
178 STF terminal function selection0 to 8,