Mitsubishi Electric FR-A700 Instruction Manual
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Mitsubishi Electric FR-A700 Instruction Manual

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INVERTER
FR-A700
INSTRUCTION MANUAL (BASIC)
FR-A720-0.4K to 90K
FR-A740-0.4K to 500K
Thank you for choosing this Mitsubishi Inverter.
This Instruction Manual (basic) is intended for users who "just want to run the inverter".
If you are going to utilize functions and performance, refer to the Instruction Manual (applied) [IB-0600226ENG].
The Instruction Manual (applied) is separately available from where you purchased the inverter or your Mitsubishi
sales representative.
1
PRODUCT CHECKING AND PARTS IDENTIFICATION ............................. 1
2
INSTALLATION AND WIRING...................................................................... 2
2.1
Peripheral devices..................................................................................................... 3
2.2
Method of removal and reinstallation of the front cover............................................ 5
2.3
Installation of the inverter and instructions ............................................................... 7
2.4
Wiring ........................................................................................................................ 8
2.5
Power-off and magnetic contactor (MC)................................................................. 35
2.6
Precautions for use of the inverter .......................................................................... 36
2.7
When using the high-duty brake resistor (FR-ABR) ............................................... 37
3
DRIVE THE MOTOR.................................................................................... 38
3.1
Step of operation..................................................................................................... 38
3.2
Operation panel (FR-DU07).................................................................................... 39
3.3
Before operation...................................................................................................... 47
3.4
Start/stop from the operation panel (PU operation mode)...................................... 73
3.5
Make a start and stop with terminals (external operation)...................................... 78
3.6
Parameter List......................................................................................................... 85
4
TROUBLESHOOTING............................................................................... 129
4.1
Reset method of protective function ..................................................................... 129
4.2
List of alarm display .............................................................................................. 130
4.3
Causes and corrective actions.............................................................................. 131
4.4
Correspondences between digital and actual characters..................................... 144
4.5
Check and clear of the alarm history .................................................................... 145
4.6
Check first when you have troubles...................................................................... 147
5
PRECAUTIONS FOR MAINTENANCE AND INSPECTION ..................... 150
5.1
Inspection item ...................................................................................................... 150
6
SPECIFICATIONS ..................................................................................... 158
6.1
Rating .................................................................................................................... 158
6.2
Common specifications......................................................................................... 162
6.3
Outline dimension drawings.................................................................................. 163
6.4
Installation of the heatsink portion outside the enclosure for use......................... 176
CONTENTS
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  • Page 1 INVERTER FR-A700 INSTRUCTION MANUAL (BASIC) FR-A720-0.4K to 90K FR-A740-0.4K to 500K Thank you for choosing this Mitsubishi Inverter. This Instruction Manual (basic) is intended for users who "just want to run the inverter". If you are going to utilize functions and performance, refer to the Instruction Manual (applied) [IB-0600226ENG].
  • Page 2 This instruction manual (basic) provides handling information and precautions for use of the equipment. Please forward this instruction manual (basic) to the end user. This section is specifically about safety matters CAUTION (2) Wiring Do not attempt to install, operate, maintain or inspect the inverter until you •...

  • Page 3: Table Of Contents

    — CONTENTS — PRODUCT CHECKING AND PARTS IDENTIFICATION INSTALLATION AND WIRING Peripheral devices ....................3 Method of removal and reinstallation of the front cover ......... 5 Installation of the inverter and instructions............. 7 Wiring ........................8 2.4.1 Terminal connection diagram ....................8 2.4.2 EMC filter ...........................
  • Page 4 3.3.9 Higher accuracy operation using a motor with encoder (Vector control) (Pr.71, Pr.80, Pr.81, Pr.359, Pr.369, Pr.800) ................57 3.3.10 To exhibit the best performance of the motor performance (offline auto tuning) (Pr. 71, Pr. 83, Pr. 84, Pr. 96) ....................
  • Page 5 Appendix 3Instructions for Compliance with the European Directives ......183 DU: Operation panel (FR-DU07) PU: Operation panel(FR-DU07) and parameter unit (FR-PU04, FR-PU07) Inverter: Mitsubishi inverter FR-A700 series FR-A700: Mitsubishi inverter FR-A700 series Pr.: Parameter Number PU operation: Operation using the PU (FR-DU07/FR-PU04/FR-PU07).

  • Page 6: Product Checking And Parts Identification

    1 PRODUCT CHECKING AND PARTS IDENTIFICATION Unpack 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. •...

  • Page 7: Installation And Wiring

    Use within the permissible power supply be connected with a USB (Ver1. 1) cable. specifications of the inverter. (Refer to page 158) Inverter (FR-A700) Moulded case circuit breaker (MCCB) or The life of the inverter is influenced by earth leakage current breaker (ELB), ambient temperature.

  • Page 8: Peripheral Devices

    Peripheral devices 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 Breaker Selection Input Side Magnetic Contactor *2,4 Motor Output Applicable Inverter Type...
  • Page 9 Peripheral devices 400V class Breaker Selection Input Side Magnetic Contactor *2,4 Motor Output Applicable Inverter Type Reactor connection Reactor connection (kW) without with without with FR-A740-0.4K 30AF 5A 30AF 5A S-N10 S-N10 0.75 FR-A740-0.75K 30AF 5A 30AF 5A S-N10 S-N10 FR-A740-1.5K 30AF 10A 30AF 10A...

  • Page 10: Method Of Removal And Reinstallation Of The

    Method of removal and reinstallation of the front cover 2.2 Method of removal and reinstallation of the front cover •Removal of the operation panel 1) Loosen the two screws on the operation panel. 2) Push the left and right hooks of the operation panel (These screws cannot be removed.) and pull the operation panel toward you to remove.
  • Page 11 Method of removal and reinstallation of the front cover FR-A720-30K or more, FR-A740-30K or more • Removal 1) Remove installation screws on 2) Loosen the installation 3) Pull the front cover 2 toward you to remove the front cover 1 to remove the screws of the front cover 2.

  • Page 12: Installation Of The Inverter And Instructions

    Installation of the inverter and instructions 2.3 Installation of the inverter and instructions • Installation of the Inverter Installation on the enclosure CAUTION 0.4K to 22K 30K or more ⋅ When encasing multiple inverters, install them in parallel as a cooling measure. ⋅...

  • Page 13: Wiring

    Wiring 2.4 Wiring 2.4.1 Terminal connection diagram Sink logic *7. A CN8 connector is provided with the 75K *1. DC reactor (FR-HEL) Brake unit or more. Main circuit terminal Be sure to connect the DC reactor (Option) supplied with the 75K or more. Control circuit terminal When a DC reactor is connected to *8.

  • Page 14: Emc Filter

    Wiring 2.4.2 EMC filter This inverter is equipped with a built-in EMC filter (capacitive filter) and zero-phase reactor. 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 zero-phase reactor, built-in the 55K or less inverter, is always valid regardless of on/off of the EMC filter on/off connector.

  • Page 15: Specification Of Main Circuit Terminal

    Wiring 2.4.3 Specification of main circuit terminal Terminal Terminal Name Description Symbol R/L1, Connect to the commercial power supply. S/L2, AC power input Keep these terminals open when using the high power factor converter T/L3 (FR-HC and MT-HC) or power regeneration common converter (FR-CV). U, V, W Inverter output Connect a three-phase squirrel-cage motor.
  • Page 16 Wiring FR-A720-5.5K, 7.5K FR-A720-11K R1/L11 S1/L21 Screw size (M4) Charge lamp Jumper Charge lamp Jumper P/+ PR Jumper Jumper R1/L11 S1/L21 Screw size (M5) Screw size (M5) R/L1 S/L2 T/L3 R/L1 S/L2 T/L3 Power supply Motor Power supply Motor Screw size (M5) Screw size (M5) * Screw size of terminal R1/L11, S1/L21, PR, and PX is M4.
  • Page 17 Wiring 400V class FR-A740-0.4K to 3.7K FR-A740-5.5K, 7.5K Jumper Screw size (M4) Charge lamp R/L1 S/L2 T/L3 Jumper R1/L11 S1/L21 P/+ PR Jumper Jumper R1/L11 S1/L21 Screw size Screw size Charge lamp (M4) (M4) Power R/L1 S/L2 T/L3 Motor supply Motor Power supply Screw size...
  • Page 18 Wiring FR-A740-75K, 90K FR-A740-110K, 132K R1/L11 S1/L21 Screw size (M4) Charge lamp Jumper R1/L11 S1/L21 Screw size (M4) Charge lamp Screw size (M10) Jumper R/L1 S/L2 T/L3 N/- Screw size(M10) Screw size (M10) R/L1 S/L2 T/L3 Power supply Motor DC reactor Screw size (M12) (for option) Power...
  • Page 19 Wiring 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.) ·...
  • Page 20 Wiring (1) Cable sizes etc., of the main control circuit terminals and earth (ground) terminals Select the recommended cable size to ensure that a voltage drop will be 2% max. If the wiring distance is long between the inverter and motor, a main circuit cable voltage drop will cause the motor torque to decrease especially at the output of a low frequency.
  • Page 21 Wiring 400V class (when input power supply is 440V) Cable Sizes Crimping Terminal Tightening Terminal AWG/MCM HIV, etc. (mm PVC, etc. (mm Applicable Inverter Screw Torque Earth Earth Type R/L1, R/L1, R/L1, R/L1, Size N·m U, V, W U, V, W P/+, P1 (Ground) U, V, W U, V, W...
  • Page 22 Wiring (2) Notes on earthing (grounding) • Leakage currents flow in the inverter. To prevent an electric shock, the inverter and motor must be earthed (grounded). This inverter must be earthed (grounded). Earthing (Grounding) must conform to the requirements of national and local safety regulations and electrical codes.
  • Page 23 Wiring (5) When connecting the control circuit and the main circuit separately to the power supply (separate power) When the protected circuit is activated, 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.
  • Page 24 Wiring • FR-A720-11K or more, FR-A740-11K or more 1) Remove the upper screws. 2) Remove the lower screws. L21 Power supply 3) Pull the jumper toward you to terminal block remove. for the control circuit Power supply terminal block 4) Connect the separate power supply for the control circuit R/L1S/L2 T/L3 cable for the control circuit to the...

  • Page 25: Control Circuit Terminals

    Wiring 2.4.5 Control circuit terminals indicates that terminal functions can be selected using Pr. 178 to Pr. 196 (I/O terminal function selection) (Refer to section 4 of Instruction Manual (applied).) (1) Input signals Terminal Terminal Rated Refer to Description Symbol Name Specifications page...
  • Page 26 Wiring Terminal Terminal Rated Refer to Description Symbol Name Specifications page Section 4 of 10VDC When connecting the frequency setting potentiometer at an initial Instruction Permissible load status, connect it to terminal 10. Manual Frequency current 10mA Change the input specifications of terminal 2 when connecting it (applied) setting power to terminal 10E.
  • Page 27 Wiring Terminal Terminal Rated Refer to Description Symbol Name Specifications page Section 4 of Switched low when the inverter output frequency is equal to or Inverter Instruction higher than the starting frequency (initial value 0.5Hz). Switched running Manual high during stop or DC injection brake operation. (applied) Switched low when the output Section 4 of...

  • Page 28: Changing The Control Logic

    Wiring 2.4.6 Changing the control logic 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.
  • Page 29 Wiring 4) Sink logic and source logic ⋅ In sink logic, a signal switches on when a current flows from the corresponding signal input terminal. Terminal SD is common to the contact input signals. Terminal SE is common to the open collector output signals. ⋅...

  • Page 30: Wiring Of Control Circuit

    Wiring 2.4.7 Wiring of control circuit (1) Control circuit terminal layout Terminal screw size: M3.5 Tightening torque: 1.2N·m C2 10E 10 STOP (2) Wiring instructions Terminals 5, SD and SE are common to the I/O signals and isolated from each other. Do not earth (ground). Avoid connecting the terminal SD and 5 and the terminal SE and 5.

  • Page 31: When Connecting The Operation Panel Using A Connection Cable

    Wiring 2.4.8 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. Parameter unit connection cable (FR-CB2 )(option) Operation panel(FR-DU07)

  • Page 32: Communication Operation

    Wiring 2.4.10 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 Multidrop link monitor the inverter or read and write to parameters.

  • Page 33: Terminal Layout

    Wiring 2.4.12 Connection of motor with encoder (vector control) Orientation control and encoder feedback control, and speed control, torque control and position control by full-scale vector control operation can be performed using a motor with encoder and a plug-in option FR-A7AP. (1) Structure of the FR-A7AP Mounting Terminal...
  • Page 34 Wiring (3) Switches of the FR-A7AP • Encoder specification selection switch (SW1) Differential line Select either differential line driver or complementary driver (initial status) It is initially set to the differential line driver. Switch its position according to output circuit. Complementary •...
  • Page 35 Length L (m) ⋅ A P clip for earthing (grounding) a Type Length L (m) shielded cable is provided. FR-JCBL5 FR-V7CBL5 FR-JCBL15 FR-V7CBL15 FR-JCBL30 FR-V7CBL30 FR-A700 FR-A700 (FR-A7AP) (FR-A7AP) Encoder Encoder Positioning keyway Positioning keyway MS3106B20-29S MS3106B20-29S (As viewed from wiring side) (As viewed from wiring side) * As the terminal block of the FR-A7AP is an insertion type, earth cables need to be modified.

  • Page 36: Speed Control

    Wiring (5) Wiring • Speed control Vector control dedicated motor Standard motor with encoder (SF-JR), 5V differential line driver (SF-V5RU, SF-THY), 12V complimentary MCCB SF-JR motor SF-V5RU, SF-THY MCCB with encoder Inverter Three-phase AC power supply R/L1 Three-phase S/L2 AC power supply Inverter T/L3 Earth...

  • Page 37: Position Control

    Wiring • Position control Vector control dedicated motor (SF-V5RU, SF-THY), 12V complimentary MCCB SF-V5RU, SF-THY Three-phase AC power supply MCCB Positioning unit R/L1 MELSEQ-Q QD75P1 Inverter Three-phase AC S/L2 power supply T/L3 Earth (ground) Thermal External thermal protector 2W1kΩ STOP relay input *11 CS(OH) Forward stroke end...

  • Page 38: Initial Setting

    Wiring (6) Instructions for encoder cable wiring • Use twisted pair shield cables (0.2mm or larger) to connect the FR-A7AP and position detector. Cables to terminals PG and SD should be connected in paralell or be larger in size according to the cable length. To protect the cables from noise, run them away from any source of noise (e.g.
  • Page 39 Wiring (9) Combination with a vector control dedicated motor Refer to the table below when using with a vector control dedicated motor. • Combination with the SF-V5RU and SF-THY Voltage 200V class 400V class Rated speed 1500r/min Base frequency 50Hz Maximum speed 3000r/min Motor frame...

  • Page 40: Power-Off And Magnetic Contactor (Mc)

    Power-off and magnetic contactor (MC) 2.5 Power-off and magnetic contactor (MC) (1) Inverter input side magnetic contactor (MC) On the inverter input side, it is recommended to provide an MC for the following purposes. Refer to page 3 for selection.) 1) To release the inverter from the power supply when the inverter's protective function is activated or when the drive is not functioning (e.g.

  • Page 41: Precautions For Use Of The Inverter

    Precautions for use of the inverter 2.6 Precautions for use of the inverter The FR-A700 series is a highly reliable product, but incorrect peripheral circuit making or operation/handling method may shorten the product life or damage the product. Before starting operation, always recheck the following items.

  • Page 42: When Using The High-Duty Brake Resistor (Fr-Abr)

    When using the high-duty brake resistor (FR-ABR) (14) If the machine must not be restarted when power is restored after a power failure, provide a magnetic contactor in the inverter'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 the power is restored.

  • Page 43: Drive The Motor

    Step of operation 3 DRIVE THE MOTOR 3.1 Step of operation The inverter needs frequency command and start command. Turning the start command on start the motor rotating and the motor speed is determined by the frequency command (set frequency). Refer to the flow chart below to perform setting.

  • Page 44: Operation Panel (Fr-Du07)

    Operation panel (FR-DU07) 3.2 Operation panel (FR-DU07) 3.2.1 Parts of the operation panel (FR-DU07) Operation mode indication PU: Lit to indicate PU operation mode. EXT: Lit to indicate external operation mode. NET: Lit to indicate network operation mode. Rotation direction indication FWD: Lit during forward rotation REV: Lit during reverse rotation Forward/reverse operation...

  • Page 45: Basic Operation (Factory Setting)

    Operation panel (FR-DU07) 3.2.2 Basic operation (factory setting) Operation mode switchover At powering on (external operation mode) PU Jog operation mode (Refer to page 43) (Example) Value change and frequency flicker. PU operation mode Frequency setting has been (output frequency monitor) written and completed!! Output current monitor Output voltage monitor...

  • Page 46: Operation Lock (Press [Mode] For An Extended Time (2S))

    Operation panel (FR-DU07) 3.2.3 Operation lock (Press [MODE] for an extended time (2s)) Operation using the setting dial and key of the operation panel can be made invalid to prevent parameter change and unexpected start and stop. · Set "10 or 11" in Pr. 161, then press for 2s to make the setting dial and key operation invalid.

  • Page 47: Monitoring Of Output Current And Output Voltage

    Operation panel (FR-DU07) 3.2.4 Monitoring of output current and output voltage POINT Monitor display of output frequency, output current and output voltage can be changed by pushing during monitoring mode. Operation Display Press during operation to choose the output frequency monitor Independently of whether the inverter is running in any operation mode or at a stop, the output current monitor appears by pressing...

  • Page 48: Change The Parameter Setting Value

    Operation panel (FR-DU07) 3.2.7 Change the parameter setting value Changing example Change the Pr. 1 Maximum frequency . Operation Display Screen at powering on The monitor display appears. PU indication is lit. Press to choose the PU operation mode. The parameter Press to choose the parameter number read...

  • Page 49: Parameter Clear, All Parameter Clear

    Operation panel (FR-DU07) 3.2.8 Parameter clear, all parameter clear POINT · Set "1" in Pr. CL parameter clear , ALLC all parameter clear to initialize all parameters. (Parameters are not cleared when "1" is set in Pr. 77 Parameter write selection.) ·...

  • Page 50: Parameter Copy And Parameter Verification

    Verify parameters in the inverter and operation panel. (Refer to page 47.) REMARKS · When the copy destination inverter is not the FR-A700 series or parameter copy write is performed after parameter copy read is stopped, "model error ( )" is displayed.
  • Page 51 " and " " flicker to complete verification. Flicker ··· Parameter verification complete!! REMARKS When the copy destination inverter is not the FR-A700 series, "model error ( )" is displayed. flickers ... Why? Set frequencies, etc. may be different. Check set frequencies.

  • Page 52: Before Operation

    Before operation 3.3 Before operation 3.3.1 Simple mode parameter list For simple variable-speed operation of the inverter, the initial setting of the parameters may be used as they are. Set the necessary parameters to meet the load and operational specifications. Parameter setting, change and check can be made from the operation panel (FR-DU07).

  • Page 53: Overheat Protection Of The Motor By The Inverter (Pr. 9)

    Before operation 3.3.2 Overheat protection of the motor by the inverter (Pr. 9) Set the rated motor current in Pr. 9 Electronic thermal O/L relay to protect the motor from overheat. Parameter Name Initial Value Setting Range Description Number 0 to 500A 55K or less Inverter rated Electronic thermal O/L relay...

  • Page 54: When The Rated Motor Frequency Is 50Hz (Pr. 3)

    Before operation 3.3.3 When the rated motor frequency is 50Hz (Pr. 3) First, check the motor rating plate. If a frequency given on the rating plate is "50Hz" only, always set Pr. 3 Base frequency to "50Hz". Leaving the base frequency unchanged from "60Hz" may make the voltage low and the torque insufficient. It may result in an inverter trip (E.OC ) due to overload.

  • Page 55: Increase The Starting Torque (Pr. 0)

    Before operation 3.3.4 Increase the starting torque (Pr. 0) Set this parameter when "the motor with a load will not rotate", "an alarm [OL] is output, resulting in an inverter trip due to [OC1], etc. Parameter Setting Name Initial Value Description Number Range...

  • Page 56: Limit The Maximum And Minimum Output Frequency (Pr. 1, Pr. 2)

    Before operation 3.3.5 Limit the maximum and minimum output frequency (Pr. 1, Pr. 2) Motor speed can be limitted. Parameter Setting Name Initial Value Description Number Range 120Hz 55K or less Maximum frequency 0 to 120Hz Set the upper limit of the output frequency. 60Hz 75K or more Minimum frequency...

  • Page 57: Change Acceleration And Deceleration Time (Pr. 7, Pr. 8)

    Before operation 3.3.6 Change acceleration and deceleration time (Pr. 7, Pr. 8) Set in Pr. 7 Acceleration time a larger value for a slower speed increase and a smaller value for a faster speed increase. Set in Pr. 8 Deceleration time a larger value for a slower speed decrease and a smaller value for a faster speed decrease. Parameter Setting Name...

  • Page 58: Selection Of The Start Command And Frequency Command Locations (Pr. 79)

    Before operation 3.3.7 Selection of the start command and frequency command locations (Pr. 79) Select the start command location and frequency command location. LED Indication Parameter Initial Setting Name Description : Off Number Value Range : On External operation mode Use external/PU switchover mode (press to switch between the PU and external operation mode.

  • Page 59: Large Starting Torque And Low Speed Torque Are Necessary (Advanced Magnetic Flux Vector Control, Real Sensorless Vector Control) (Pr. 71, Pr. 80, Pr. 81, Pr. 800)

    Before operation 3.3.8 Large starting torque and low speed torque are necessary (advanced magnetic flux vector control, real sensorless vector control) (Pr. 71, Pr. 80, Pr. 81, Pr. 800) Magnetic flux Magnetic flux Magnetic flux Sensorless Sensorless Sensorless Advanced magnetic flux vector control can be selected by setting the capacity, poles and type of the motor used in Pr. 80 and Pr.

  • Page 60: Test Run

    Before operation Perform secure wiring. (Refer to page 8.) Set the motor. (Pr. 71) (Refer to page 54.) Motor Pr. 71 Setting Remarks SF-JR 0 (initial value) Mitsubishi standard SF-JR 4P-1.5kW or less motor SF-HR Mitsubishi high...
  • Page 61 Before operation Speed control is exercised to match the speed command and actual motor speed. Perform secure wiring. (Refer to page 8.) Set the motor. (Pr. 71) (Refer to page 55.) Set "3"...

  • Page 62: Higher Accuracy Operation Using A Motor With Encoder (Vector Control) (Pr.71, Pr.80, Pr.81, Pr.359, Pr.369, Pr.800)

    Before operation 3.3.9 Higher accuracy operation using a motor with encoder (Vector control) (Pr.71, Pr.80, Pr.81, Pr.359, Pr.369, Pr.800) Vector Vector Vector Full-scale vector control can be performed fitting the FR-A7AP and using a motor with encoder. Fast response/ high accuracy speed control (zero speed control, servo lock), torque control, and position control can be performed.
  • Page 63 Before operation POINT If the conditions below are not satisfied, malfunction such as insufficient torque and uneven rotation may occur. The motor capacity should be equal to or one rank lower than the inverter capacity. (note that the capacity is ·...
  • Page 64 Before operation Speed control is exercised to match the speed command and actual motor speed. Perform secure wiring. (Refer to page 31.) Mount the FR-A7AP. Set the motor and encoder. (Pr. 71, Pr. 359, Pr. 369) Set Pr.
  • Page 65 Before operation Torque control is exercised to develop torque as set in the torque command. The motor speed becomes constant when the motor output torque and load torque are balanced. For torque control, therefore, the speed is determined by the load. For torque control, the motor gains speed as the motor output torque becomes greater than the motor load.
  • Page 66 Before operation In the position control, the speed command is calculated so that the difference between command pulse (or parameter setting) and the number of feedback pulses from the encoder is zero to run the motor. This inverter can perform conditional position feed by contact input and position control by inverter conditional pulse input.

  • Page 67: To Exhibit The Best Performance Of The Motor Performance (Offline Auto Tuning) (Pr. 71, Pr. 83, Pr. 84, Pr. 96)

    Before operation 3.3.10 To exhibit the best performance of the motor performance (offline auto tuning) (Pr. 71, Pr. 83, Pr. 84, Pr. 96) Magnetic flux Magnetic flux Magnetic flux Sensorless Sensorless Sensorless Vector Vector Vector The motor performance can be maximized with offline auto tuning. •...
  • Page 68 Before operation (1) Before performing offline auto tuning Check the following before performing offline auto tuning. · Make sure advanced magnetic flux vector control (Pr. 80, Pr. 81), real sensorless vector control or vector control (Pr. 800) is selected. (Refer to page 54 ) A motor should be connected.
  • Page 69 Before operation (3) Execution of tuning CAUTION · Before performing tuning, check the monitor display of the operation panel (FR-DU07) or parameter unit (FR-PU04/FR- PU07) if the inverter is in the state ready for tuning. (Refer to 2) below) When the start command is turned on under V/F control, the motor starts.
  • Page 70 Before operation 3)When offline auto tuning ends, press of the operation panel during PU operation. For external operation, turn off the start signal (STF signal or STR signal). This operation resets the offline auto tuning and the PU's monitor display returns to the normal indication. (Without this operation, next operation cannot be started.) REMARKS ·...

  • Page 71: Operation Method

    Before operation 3.3.11 High accuracy operation unaffected by the motor temperature (online auto tuning) (Pr. 95) Magnetic flux Magnetic flux Magnetic flux Sensorless Sensorless Sensorless Vector Vector Vector When online auto tuning is selected under advanced magnetic flux vector control, real sensorless vector control or vector control, excellent torque accuracy is provided by temperature compensation even if the secondary resistance value of the motor varies with the rise of the motor temperature.

  • Page 72: To Perform High Accuracy/Fast Response Operation (Gain Adjustment Of Real Sensorless Vector Control And Vector Control) (Pr. 818 To Pr. 821, Pr. 880)

    Before operation 3.3.12 To perform high accuracy/fast response operation (gain adjustment of real sensorless vector control and vector control) (Pr. 818 to Pr. 821, Pr. 880) Sensorless Sensorless Sensorless Vector Vector Vector The ratio of the load inertia to the motor inertia (load inertia moment) is estimated in real time from the torque command and speed during motor operation by vector control.
  • Page 73 Before operation 2) Each control gain is automatically set from the load inertia ratio estimated during acceleration/deceleration operation and the Pr. 818 Easy gain tuning response level setting value. Pr. 880 Load inertia ratio is used as the initial value of the load inertia ratio for tuning. Estimated value is set in Pr. 880 during tuning.
  • Page 74 Before operation (4) Manual input speed control gain adjustment · Make adjustment when any of such phenomena as unusual machine vibration/noise, low response level and overshoot has occurred. Proportional gain · Pr. 820 Speed control P gain 1 = "60%" (initial value) is equivalent to 120rad/s (speed responce of the motor alone).
  • Page 75 Before operation (5) When using a multi-pole motor (8 poles or more) Specially when using a multi-pole motor with more than 8 poles under real sensorless vector control or vector control, adjust Pr. 820 Speed control P gain 1 and Pr. 824 Torque control P gain 1 according to the motor referring to the following methods.
  • Page 76 Before operation (6) Troubleshooting (speed) Phenomenon Cause Countermeasures (1) The motor wiring is wrong (1) Wiring check Select V/F control (set "9999" in Pr. 80 or Pr. 81 ) and check the rotation direction of the motor. For the SF-V5RU, set "170V(340V)" for 3.7kW or less and "160V(320V)"...
  • Page 77 Before operation Phenomenon Cause Countermeasures (1) The speed command varies. (1) -1 Check that a correct speed command comes from the command device. (Take measures against noises.) (1) -2 Decrease Pr. 72 PWM frequency selection. (1) -3 Increase Pr. 822 Speed setting filter 1. (Refer to section 4 of Instruction Manual (applied) ) Motor speed is unstable.

  • Page 78: Start/Stop From The Operation Panel (Pu Operation Mode)

    Start/stop from the operation panel (PU operation mode) 3.4 Start/stop from the operation panel (PU operation mode) [Connection diagram] POINT Inverter Three-phase R/L1 From where is the frequency command given? S/L2 Motor AC power supply · Operation at the frequency set in the frequency setting mode T/L3 of the operation panel →Refer to 3.4.1 (Refer to page 73) ·...

  • Page 79: Use The Setting Dial Like A Potentiometer To Perform Operation

    Start/stop from the operation panel (PU operation mode) 3.4.2 Use the setting dial like a potentiometer to perform operation. POINT Set "1" (setting dial potentiometer mode) in Pr. 161 Frequency setting/key lock operation selection. Operation example Change the frequency from 0Hz to 60Hz during operation Operation Display Screen at powering on...

  • Page 80: Use Switches To Give A Start Command And A Frequency Command (Multi-Speed Setting)

    Start/stop from the operation panel (PU operation mode) 3.4.3 Use switches to give a start command and a frequency command (multi-speed setting) POINT · Use to give a start command. · Pr. 79 Operation mode selection must be set to "4" (external/PU combined operation mode 2) ·...

  • Page 81: Perform Frequency Setting By Analog (Voltage Input)

    Start/stop from the operation panel (PU operation mode) 3.4.4 Perform frequency setting by analog (voltage input) POINT · Use to give a start command. · Pr. 79 Operation mode selection must be set to "4" (external/PU combined operation mode 2) [Connection diagram] (The inverter supplies 5V of power to the frequency setting potentiometer.(Terminal 10)) Inverter...

  • Page 82: Perform Frequency Setting By Analog (Current Input)

    Start/stop from the operation panel (PU operation mode) 3.4.5 Perform frequency setting by analog (current input) POINT · Use to give a start command. · Turn the AU signal on. · Pr. 79 Operation mode selection must be set to "4" (external/PU combined operation mode 2) [Connection diagram] Inverter Three-phase...

  • Page 83: Make A Start And Stop With Terminals (External Operation)

    Make a start and stop with terminals (external operation) 3.5 Make a start and stop with terminals (external operation) POINT From where is the frequency command given? · Operation at the frequency set in the frequency setting mode of the operation panel → Refer to 3.5.1(Refer to page 78) ·...

  • Page 84: Use Switches To Give A Start Command And A Frequency Command (Multi-Speed Setting) (Pr. 4 To Pr. 6)

    Make a start and stop with terminals (external operation) 3.5.2 Use switches to give a start command and a frequency command (multi-speed setting) (Pr. 4 to Pr. 6) POINT · Start command by terminal STF (STR)-SD · Frequency command by terminal RH, RM, RL and STR-SD ·...
  • Page 85 Make a start and stop with terminals (external operation) [EXT] is not lit even when is pressed ... Why? Switchover of the operation mode with is valid when Pr. 79 = "0" (initial value). 50Hz, 30Hz and 10Hz are not output from RH, RM and RL respectively when they are turned on..Why? Check for the setting of Pr.

  • Page 86: Perform Frequency Setting By Analog (Voltage Input)

    Make a start and stop with terminals (external operation) 3.5.3 Perform frequency setting by analog (voltage input) [Connection diagram] (The inverter supplies 5V of power to frequency setting potentiometer. (Terminal 10)) Inverter Three-phase R/L1 Motor S/L2 AC power supply T/L3 Forward rotation start Reverse rotation...

  • Page 87: Change The Frequency (60Hz) Of The Maximum Value Of Potentiometer (At 5V, Initial Value)

    Make a start and stop with terminals (external operation) The motor will not rotate ... Why? Check that [EXT] is lit. [EXT] is valid when Pr. 79 = "0" (initial value) or "2". to lit [EXT]. Check that wiring is correct. Check once again. Change the frequency (0Hz) of the minimum value of potentiometer (at 0V, initial value) Adjust the frequency in calibration parameter C2 Terminal 2 frequency setting bias frequency.

  • Page 88: Perform Frequency Setting By Analog (Current Input)

    Make a start and stop with terminals (external operation) 3.5.5 Perform frequency setting by analog (current input) POINT · Switch terminal STF(STR)-SD on to give a start command. · Turn the AU signal on. · Set "2" (external operation mode) in Pr. 79 Operation mode selection [Connection diagram] Inverter Three-phase...

  • Page 89: Change The Frequency (60Hz) Of The Maximum Value Of Potentiometer (At 20Ma, Initial Value)

    Make a start and stop with terminals (external operation) The motor will not rotate ... Why? Check that [EXT] is lit. [EXT] is valid when Pr. 79 = "0" (initial value) or "2". to lit [EXT]. Check that the AU signal is on. Turn the AU signal on.

  • Page 90: Parameter List

    Parameter List 3.6 Parameter List 3.6.1 List of parameters classified by purpose of use Set the parameters according to the operating conditions. The following list indicates purpose of use and corresponding parameters. Purpose of Use Parameter Number Control mode Change the control method Pr.
  • Page 91 Parameter List Purpose of Use Parameter Number Pr. 7, Pr. 8, Pr. 20, Pr. 21, Pr. 44, Acceleration/deceleration time setting Pr. 45, Pr. 110, Pr. 111 Starting frequency Pr. 13, Pr. 571 Pr. 29, Pr. 140 to Pr. 143, Pr.380 to Acceleration/deceleration Acceleration/deceleration pattern and backlash measures Pr.
  • Page 92 Parameter List Purpose of Use Parameter Number Energy saving control selection Pr. 60 Energy saving operation How much energy can be saved (energy saving monitor) Pr. 891 to Pr. 899 Carrier frequency and SoftPWM selection Pr. 72, Pr. 240 Reduction of the motor noise Measures against noise and Pr.

  • Page 93: Parameter List

    Parameter List 3.6.2 Parameter list · indicates simple mode parameters. · The abbreviations in the explanations below indicate: ...V/F control ...advanced magnetic flux vector control Magnetic flux Magnetic flux Magnetic flux ...real sensorless vector control Sensorless Sensorless Sensorless ...vector control. Vector Vector Vector...
  • Page 94 Parameter List Parameter Para Param param meter eter eter Incre Initial copy clear Name Range Description clear ments Value : enabled × : disabled Set the motor acceleration time. 0.1/ 0 to 3600/ * The initial value differs according to the Acceleration time 5/15s 0.01s...
  • Page 95 Parameter List Parameter Para Param param meter eter eter Incre Initial copy clear Name Range Description clear ments Value : enabled × : disabled Starting frequency 0.01Hz 0.5Hz 0 to 60Hz Starting frequency can be set. Set the holding time of Pr. 13 Starting 0.0 to 10.0s frequency.
  • Page 96 Parameter List Parameter Para Param param meter eter eter Incre Initial copy clear Name Range Description clear ments Value : enabled × : disabled Stall prevention operation selection becomes invalid. Function as stall prevention operation Stall prevention under V/F control and advanced magnetic 0.1% 150% operation level...
  • Page 97 Parameter List Parameter Para Param param meter eter eter Incre Initial copy clear Name Range Description clear ments Value : enabled × : disabled This functions as torque limit level under real sensorless vector control. * For the 3.7K or less, the initial value changes 150/ from 150% to 200% when V/F control or Torque limit level...
  • Page 98 Parameter List Parameter Para Param param meter eter eter Incre Initial copy clear Name Range Description clear ments Value : enabled × : disabled Linear acceleration/ deceleration S-pattern acceleration/deceleration A Acceleration/ S-pattern acceleration/deceleration B deceleration pattern Backlash measures selection S-pattern acceleration/deceleration C S-pattern acceleration/deceleration D Backlash acceleration 0.01Hz...
  • Page 99 Parameter List Parameter Para Param param meter eter eter Incre Initial copy clear Name Range Description clear ments Value : enabled × : disabled 0 to 400Hz, Frequency jump 1A 0.01Hz 9999 9999 0 to 400Hz, Frequency jump 1B 0.01Hz 9999 9999 0 to 400Hz,...
  • Page 100 Parameter List Parameter Para Param param meter eter eter Incre Initial copy clear Name Range Description clear ments Value : enabled × : disabled 0, 5 to 14, Select monitor to be displayed on the operation panel and parameter unit and 17 to 20, DU/PU main display monitor to be output to the terminal FM and...
  • Page 101 Parameter List Parameter Para Param param meter eter eter Incre Initial copy clear Name Range Description clear ments Value : enabled × : disabled Set the full-scale value to output the output Frequency 0.01Hz 60Hz 0 to 400Hz frequency monitor value to terminal FM monitoring reference and AM.
  • Page 102 Parameter List Parameter Para Param param meter eter eter Incre Initial copy clear Name Range Description clear ments Value : enabled × : disabled Setting value (rated motor current) is referenced 0 to 500/ * The increments and setting range differ 0.01/ Reference current 0 to 3600A...
  • Page 103 Parameter List Parameter Para Param param meter eter eter Incre Initial copy clear Name Range Description clear ments Value : enabled × : disabled Thermal characteristics of a standard motor Thermal characteristics of the Mitsubishi constant-torque motor Thermal characteristic of standard motor Adjustable 5 points V/F Mitsubishi standard motor (SF-JR 4P 1.5kW or less)
  • Page 104 Parameter List Parameter Para Param param meter eter eter Incre Initial copy clear Name Range Description clear ments Value : enabled × : disabled PWM carrier frequency can be changed. The setting displayed is in [kHz]. Note that 0 indicates 0.7kHz, 15 indicates 14.5kHz, 25 indicates 2.5.
  • Page 105 Parameter List Parameter Para Param param meter eter eter Incre Initial copy clear Name Range Description clear ments Value : enabled × : disabled You can select the reset input acceptance, disconnected PU (FR-DU07 /FR-PU07 /FR- Reset selection/ PU04) connector detection function and PU disconnected PU 0 to 3, ×...
  • Page 106 Parameter List Parameter Para Param param meter eter eter Incre Initial copy clear Name Range Description clear ments Value : enabled × : disabled Set the applied motor capacity. 0.4 to 55/ * The increments and setting range differ 0.01/ Motor capacity 0 to 3600kW 9999...
  • Page 107 Parameter List Parameter Para Param param meter eter eter Incre Initial copy clear Name Range Description clear ments Value : enabled × : disabled Tuning data (The value measured by offline auto tuning 0 to 500/ is automatically set.) Motor excitation 0.01/ * The increments and setting range differ 0 to 3600A *...
  • Page 108 Parameter List Parameter Para Param param meter eter eter Incre Initial copy clear Name Range Description clear ments Value : enabled × : disabled Tuning data of the second motor (The value measured by offline auto tuning 0 to 50Ω/ is automatically set.) Second motor 0.001Ω/...
  • Page 109 Parameter List Parameter Para Param param meter eter eter Incre Initial copy clear Name Range Description clear ments Value : enabled × : disabled Refer to Pr. 82 to Pr. 84. — 0 to 400Hz, V/F1(first frequency) 0.01Hz 9999 9999 V/F1(first frequency 0.1V 0 to 1000V...
  • Page 110 Parameter List Parameter Para Param param meter eter eter Incre Initial copy clear Name Range Description clear ments Value : enabled × : disabled Specify the inverter station number. PU communication 0 to 31 Set the inverter station numbers when two or more station number inverters are connected to one personal computer.
  • Page 111 Parameter List Parameter Para Param param meter eter eter Incre Initial copy clear Name Range Description clear ments Value : enabled × : disabled PID control Set the frequency at which the control is 0 to 400Hz automatically changed to PID control. automatic 0.01Hz 9999...
  • Page 112 Parameter List Parameter Para Param param meter eter eter Incre Initial copy clear Name Range Description clear ments Value : enabled × : disabled Electronic bypass Without electronic bypass sequence sequence selection With electronic bypass sequence MC switchover Set the operation interlock time of MC2 0.1s 0 to 100s interlock time...
  • Page 113 Parameter List Parameter Para Param param meter eter eter Incre Initial copy clear Name Range Description clear ments Value : enabled × : disabled Output current Set the output current detection level. 0.1% 150% 0 to 220% detection level 100% is the rated inverter current. Set the output current detection period.
  • Page 114 Parameter List Parameter Para Param param meter eter eter Incre Initial copy clear Name Range Description clear ments Value : enabled × : disabled 0 to 20, 0: Low-speed operation command 22 to 28, 1: Middle-speed operation command STF terminal ×...
  • Page 115 Parameter List Parameter Para Param param meter eter eter Incre Initial copy clear Name Range Description clear ments Value : enabled × : disabled 0, 100: Inverter running 1, 101: Up to frequency RUN terminal 0 to 8, × 2, 102: Instantaneous power failure/ function selection 10 to 20, undervoltage...
  • Page 116 Parameter List Parameter Para Param param meter eter eter Incre Initial copy clear Name Range Description clear ments Value : enabled × : disabled Operates at power on Cooling fan on/off control invalid (The cooling fan is always on at power on) Cooling fan Cooling fan on/off control valid operation selection...
  • Page 117 Parameter List Parameter Para Param param meter eter eter Incre Initial copy clear Name Range Description clear ments Value : enabled × : disabled Display whether the control circuit capacitor, main circuit capacitor, cooling Life alarm status × × × (0 to 15) fan, and each parts of the inrush current display...
  • Page 118 Parameter List Parameter Para Param param meter eter eter Incre Initial copy clear Name Range Description clear ments Value : enabled × : disabled Without stop-on contact control and load Stop-on contact/ torque high-speed frequency control load torque high- Stop-on contact control speed frequency Load torque high speed frequency control control selection...
  • Page 119 Parameter List Parameter Para Param param meter eter eter Incre Initial copy clear Name Range Description clear ments Value : enabled × : disabled Set to the rated slip frequency of the motor Brake opening + about 1.0Hz. 0.01Hz 0 to 30Hz This parameter may be only set if Pr.
  • Page 120 Parameter List Parameter Para Param param meter eter eter Incre Initial copy clear Name Range Description clear ments Value : enabled × : disabled Droop control is invalid Set the drooping amount at the rated Droop gain 0.1% 0.1 to torque as a percentage with respect to the 100% rated frequency.
  • Page 121 Parameter List Parameter Para Param param meter eter eter Incre Initial copy clear Name Range Description clear ments Value : enabled × : disabled Set the inverter station number. RS-485 0 to 31 (same specifications as Pr. 117 ) When "1" communication (Modbus-RTU protocol) is set in Pr.
  • Page 122 Parameter List Parameter Para Param param meter eter eter Incre Initial copy clear Name Range Description clear ments Value : enabled × : disabled Refer to Pr. 79. — 341 to 343 Refer to Pr. 117. Internal stop position command (Pr.356) Stop position External stop position command (FR-A7AX 9999...
  • Page 123 Parameter List Parameter Para Param param meter eter eter Incre Initial copy clear Name Range Description clear ments Value : enabled × : disabled The orientation complete signal (ORA) is output delaying the set time after in- Completion signal 0.1s 0.5s 0 to 5s position zone is entered.
  • Page 124 Parameter List Parameter Para Param param meter eter eter Incre Initial copy clear Name Range Description clear ments Value : enabled × : disabled Signal loss detection is invalid Encoder signal loss detection enable/ disable selection Signal loss detection is valid When the cable of the encoder signal is broken during encoder feedback control, orientation control, or vector control, signal...
  • Page 125 Parameter List Parameter Para Param param meter eter eter Incre Initial copy clear Name Range Description clear ments Value : enabled × : disabled Position Feed Selection Method Speed First position feed 0 to 9999 amount lower 4 digits High speed First position feed (Pr.4) 0 to 9999...
  • Page 126 Parameter List Parameter Para Param param meter eter eter Incre Initial copy clear Name Range Description clear ments Value : enabled × : disabled Remote output data No remote output clear at powering off data held at Remote output data resetting Remote output held at powering off...
  • Page 127 Parameter List Parameter Para Param param meter eter eter Incre Initial copy clear Name Range Description clear ments Value : enabled × : disabled Torque command by terminal 1 analog input Torque command by parameter Pr.805 or Pr.806 setting (-400% to 400%) Torque command Torque command by using CC-Link (FR- source selection...
  • Page 128 Parameter List Parameter Para Param param meter eter eter Incre Initial copy clear Name Range Description clear ments Value : enabled × : disabled Set the integral time during speed control. Speed control (Decrease the value to shorten the time 0.001s 0.333s 0 to 20s integral time 1...
  • Page 129 Parameter List Parameter Para Param param meter eter eter Incre Initial copy clear Name Range Description clear ments Value : enabled × : disabled Refer to Pr. 820. Refer to Pr. 821. Refer to Pr. 74. Refer to Pr. 823. —...
  • Page 130 Parameter List Parameter Para Param param meter eter eter Incre Initial copy clear Name Range Description clear ments Value : enabled × : disabled You can use the machine resonance speed to make this setting to reduce the Notch filter time 0 to 60 response level of the machine resonance constant...
  • Page 131 Parameter List Parameter Para Param param meter eter eter Incre Initial copy clear Name Range Description clear ments Value : enabled × : disabled Regeneration avoidance function invalid Regeneration Regeneration avoidance function is always avoidance valid operation selection Regeneration avoidance function is valid only at constant speed Set the bus voltage level at which regeneration avoidance operates.
  • Page 132 Parameter List Parameter Para Param param meter eter eter Incre Initial copy clear Name Range Description clear ments Value : enabled × : disabled Set the load factor for commercial power- supply operation. Load factor 0.1% 100% 30 to 150% This value is used to calculate the power consumption estimated value during commercial power supply operation.
  • Page 133 Parameter List Parameter Para Param param meter eter eter Incre Initial copy clear Name Range Description clear ments Value : enabled × : disabled Terminal 1 bias Set the frequency on the bias side of × 0.01Hz 0 to 400Hz (917) frequency (speed) terminal 1 input.

  • Page 134: Troubleshooting

    Reset method of protective function 4 TROUBLESHOOTING When an alarm (major failures) occurs in the inverter, the protective function is activated bringing the inverter to an alarm stop and the PU display automatically changes to any of the following error (alarm) indications. If your fault does not correspond to any of the following errors or if you have any other problem, please contact your sales representative.

  • Page 135: List Of Alarm Display

    List of alarm display 4.2 List of alarm display Operation Panel Refer Operation Panel Refer Name Name Indication Indication Output side earth (ground) E.GF E - - - Alarm history fault overcurrent HOLD Operation panel lock E.LF Output phase failure External thermal relay E.OHT Er1 to 4 Parameter write error...

  • Page 136: Causes And Corrective Actions

    Causes and corrective actions 4.3 Causes and corrective actions (1) Error message A message regarding operational troubles is displayed. Output is not shut off. Operation Panel HOLD Indication Name Operation panel lock Description Operation lock mode is set. Operation other than is made invalid.
  • Page 137 2. Check that the power is not turned off or an operation panel is not disconnected, etc. during parameter copy read. 1. Use the same model (FR-A700 series) for parameter copy and verification. Corrective action 2. Perform parameter copy read again.
  • Page 138 Causes and corrective actions (2) Warnings When the protective function is activated, the output is not shut off. Operation Panel FR-PU04 Indication FR-PU07 Name Stall prevention (overcurrent) When the output current (output torque during real sensorless vector control or vector control) of the inverter exceeds the stall prevention operation level (Pr.
  • Page 139 Causes and corrective actions Operation Panel FR-PU04 Indication FR-PU07 Name Regenerative brake prealarm Appears if the regenerative brake duty reaches or exceeds 85% of the Pr. 70 Special regenerative brake duty value. If the regenerative brake duty reaches 100%, a regenerative overvoltage (E. OV_) occurs. Description The RBP signal can be simultaneously output with the [RB] display.
  • Page 140 Causes and corrective actions (4) Major fault When the protective function is activated, the inverter output is shut off and an alarm is output. Operation Panel FR-PU04 E.OC1 OC During Accs Indication FR-PU07 Name Overcurrent shut-off during acceleration When the inverter output current reaches or exceeds approximately 220% of the rated current during Description acceleration, the protective circuit is activated to stop the inverter output.
  • Page 141 Causes and corrective actions Operation Panel FR-PU04 E.OV1 OV During Acc Indication FR-PU07 Name Regenerative overvoltage shut-off during acceleration If regenerative energy causes the inverter's internal main circuit DC voltage to reach or exceed the Description specified value, the protective circuit is activated to stop the inverter output. The circuit may also be activated by a surge voltage produced in the power supply system.
  • Page 142 Causes and corrective actions FR-PU04 Operation Panel E.FIN H/Sink O/Temp Indication FR-PU07 Name Fin overheat If the heatsink overheats, the temperature sensor is actuated to stop the inverter output. The FIN signal can be output when the temperature becomes approximately 85% of the heatsink overheat protection operation temperature.
  • Page 143 Causes and corrective actions FR-PU04 Operation Panel Stll Prev STP ( OL shown during stall E.OLT Indication prevention operation) FR-PU07 Name Stall prevention If the frequency has fallen to 0.5Hz by stall prevention operation and remains for 3s, an alarm (E.OLT) appears to shutoff the inverter output.
  • Page 144 Causes and corrective actions FR-PU04 Operation Panel E.OPT Option Fault Indication FR-PU07 Name Option alarm Appears when the AC power supply is connected to the terminal R/L1, S/L2, T/L3 accidentally when a high power factor converter is connected. Description Appears when torque command by the plug-in option is selected using Pr. 804 Torque command source selection and no plug-in option is mounted.
  • Page 145 Causes and corrective actions FR-PU04 Fault 14 Operation Panel E.PE2 Indication FR-PU07 PR storage alarm Name Parameter storage device alarm (main circuit board) Description A fault occurred in parameters stored (EEPROM failure) Check point —————— Corrective action Please contact your sales representative. Operation Panel FR-PU04 E.PUE...
  • Page 146 Causes and corrective actions Operation Panel FR-PU04 E.OS Overspeed occurrence Indication FR-PU07 Name Overspeed occurence Appears when the motor speed reaches and exceeds the overspeed setting level under encoder Description feedback control, real sensorless vector control or vector control. · Check that the Pr. 374 Overspeed detection level value is correct. Check point ·...
  • Page 147 Causes and corrective actions Operation Panel FR-PU04 E.P24 E.P24 Indication FR-PU07 Name 24VDC power output short circuit When the 24VDC power output from the PC terminal is shorted, this function shuts off the power output. Description At this time, all external contact inputs switch off. The inverter cannot be reset by entering the RES signal.
  • Page 148 Causes and corrective actions Operation Panel FR-PU04 E.11 Fault 11 Indication FR-PU07 Name Opposite rotation deceleration error The speed may not decelerate during low speed operation if the rotation direction of the speed command and the estimated speed differ when the rotation is changing from forward to reverse or from Description reverse to forward during torque control under real sensorless vector control.

  • Page 149: Correspondences Between Digital And Actual Characters

    Correspondences between digital and actual characters 4.4 Correspondences between digital and actual characters There are the following correspondences between the actual alphanumeric characters and the digital characters displayed on the operation panel. Actual Digital Actual Digital Actual Digital...

  • Page 150: Check And Clear Of The Alarm History

    Check and clear of the alarm history 4.5 Check and clear of the alarm history (1) Check for the alarm (major fault) history Monitor/frequency setting Parameter setting [Operation panel is used [Parameter setting change] for operation] Alarm history [Operation for displaying alarm history] Eight past alarms can be displayed with the setting dial.
  • Page 151 Check and clear of the alarm history (2) Clearing procedure POINT · The alarm history can be cleared by setting "1" in Er.CL Alarm history clear. Display Operation Screen at powering on The monitor display appears. The parameter Press to choose the parameter number previously setting mode.

  • Page 152: Check First When You Have Troubles

    Check first when you have troubles 4.6 Check first when you have troubles POINT If the cause is still unknown after every check, it is recommended to initialize the parameters (initial value) then reset the required parameter values and check again. 4.6.1 Motor will not start 1) Check the Pr.0 Torque boost setting if V/F control is exercised.

  • Page 153: Motor Generates Heat Abnormally

    Check first when you have troubles 4.6.3 Motor generates heat abnormally Is the fan for the motor is running? (Check for accumulated dust.) Check that the load is not too heavy. Lighten the load. Check that the inverter output voltages (U, V, W) balanced. Check that the Pr.

  • Page 154: Speed Varies During Operation

    Check first when you have troubles 4.6.9 Speed varies during operation When advanced magnetic flux vector control, real sensorless vector control, vector control or encoder feedback control is exercised, the output frequency varies with load fluctuation between 0 and 2Hz. This is a normal operation and is not a fault.

  • Page 155: Precautions For Maintenance And Inspection

    Inspection item 5 PRECAUTIONS FOR MAINTENANCE AND INSPECTION The inverter is a static unit mainly consisting of semiconductor devices. Daily inspection must be performed to prevent any fault from occurring due to the adverse effects of the operating environment, such as temperature, humidity, dust, dirt and vibration, changes in the parts with time, service life, and other factors.

  • Page 156: Daily And Periodic Inspection

    Inspection item 5.1.3 Daily and periodic inspection Interval Corrective Action at Inspection Item Description Alarm Occurrence Check the ambient temperature, humidity, dirt, Surrounding Improve emvironment environment corrosive gas, oil mist , etc. Check alarm location and General Overall unit Check for unusual vibration and noise. retighten Power supply Check that the main circuit voltages and control...

  • Page 157: Display Of The Life Of The Inverter Parts

    Inspection item 5.1.4 Display of the life of the inverter parts The self-diagnostic alarm is output when the life span of the control circuit capacitor, cooling fan, each parts of the inrush current limit circuit is near to give an indication of replacement time . The life alarm output can be used as a guideline for life judgement.

  • Page 158: Cleaning

    Inspection item (2) Measuring method of life of the main circuit capacitor · If the value of capacitor capacity measured before shipment is considered as 100%, Pr. 255 bit1 is turned on when the measured value falls below 85%. · Measure the capacitor capacity according to the following procedure and check the deterioration level of the capacitor capacity.
  • Page 159 Inspection item (1) Cooling fan The replacement interval of the cooling fan used for cooling the parts generating heat such as the main circuit semiconductor is greatly affected by the ambient temperature. When unusual noise and/or vibration is noticed during inspection, the cooling fan must be replaced immediately.
  • Page 160 Inspection item • Reinstallation (FR-A720-1.5K to 90K, FR-A740-2.2K to 132K) 1)After confirming the orientation of the fan, reinstall the fan so that the arrow on the left of "AIR FLOW" faces up. AIR FLOW 2)Reconnect the fan connectors. FR-A720-5.5K to 11K FR-A720-1.5K to 3.7K FR-A740-5.5K to 15K...
  • Page 161 Inspection item • Removal (FR-A740-160K or more) 1) Remove a fan cover. 2) After removing a fan connector, remove a fan block. 3) Remove the fan. Fan * Fan connection connector * The number of cooling fans differs according to the inverter capacity. (refer to page 154.) •...

  • Page 162: Inverter Replacement

    Inspection item (3) Smoothing capacitors A large-capacity aluminum electrolytic capacitor is used for smoothing in the main circuit DC section, and an aluminum electrolytic capacitor is used for stabilizing the control power in the control circuit. Their characteristics are deteriorated by the adverse effects of ripple currents, etc.

  • Page 163: Specifications

    Rating 6 SPECIFICATIONS 6.1 Rating 6.1.1 Inverter rating 200V class Type FR-A720- 0.4 0.75 1.5 18.5 22 Applicable motor capacity (kW) 0.75 18.5 Rated capacity (kVA) 12.6 17.6 23.3 110 132 Rated current (A) 17.5 115 145 175 215 (245) (294) Overload current rating 150% 60s, 200% 3s (inverse time characteristics) ambient temperature 50°C...
  • Page 164 Rating 400V class Type FR-A740- 0.75 18.5 Applicable motor capacity (kW) 0.75 18.5 Rated capacity (kVA) 17.5 23.6 32.8 43.4 Rated current (A) Overload current rating 150% 60s, 200% 3s (inverse time characteristics) ambient temperature 50°C Voltage Three-phase 380 to 480V Regenerative Maximum value/ 100% torque/2%ED...

  • Page 165: Motor Rating

    Rating 6.1.2 Motor rating (1) SF-V5RU 200V class (Mitsubishi dedicated motor [SF-V5RU (1500r/min series)]) Motor type SF-V5RU Applicable inverter type 18.5 FR-A720- Rated output (kW) 18.5 · 9.55 14.1 23.6 35.0 47.7 70.0 95.5 Rated torque (N Maximum torque 150% 14.3 21.1 35.4...
  • Page 166 Rating (2) SF-THY SF-THY Motor type Applicable inverter FR-A720- Rated output(kW) · 48.7 Rated torque (kgf · · 73.0 Maximum torque (kgf · 150%60s 1500 Rated speed (r/min) 2400 Maximum speed (r/min) 250MD Frame No. · Inertia moment J (kg 90dB Noise Three-phase, 200V/50Hz, 200V/60Hz, 220V/60Hz...

  • Page 167: Common Specifications

    Common specifications 6.2 Common specifications Soft-PWM control/high carrier frequency PWM control (selectable from among V/F control, advanced magnetic flux vector control and Control method real sensorless vector control) / vector control (when used with option FR-A7AP) Output frequency range 0.2 to 400Hz (The maximum frequency is 120Hz under real sensorless vector control and vector control.) 0.015Hz/0 to 60Hz (terminal 2, 4: 0 to 10V/12bit) Frequency Analog input...

  • Page 168: Outline Dimension Drawings

    Outline dimension drawings 6.3 Outline dimension drawings 6.3.1 Inverter outline dimension drawings FR-A720-0.4K, 0.75K 2-φ6 hole Inverter Type FR-A720-0.4K FR-A720-0.75K Unit: mm FR-A720-1.5K, 2.2K, 3.7K FR-A740-0.4K, 0.75K, 1.5K, 2.2K, 3.7K 2-φ6 hole * The FR-A740-0.4K to 1.5K are not provided with a cooling fan.
  • Page 169 Outline dimension drawings FR-A720-5.5K, 7.5K, 11K FR-A740-5.5K, 7.5K, 11K, 15K 2-φ6 hole Inverter Type FR-A720-5.5K, 7.5K FR-A740-5.5K, 7.5K FR-A720-11K 101.5 FR-A740-11K, 15K Unit: mm FR-A720-15K, 18.5K, 22K FR-A740-18.5K, 22K 2-φ10 hole 10.5 Unit: mm...
  • Page 170 Outline dimension drawings FR-A720-30K, 37K, 45K, 55K FR-A740-30K, 37K, 45K, 55K 2-φd hole Inverter Type FR-A720-30K FR-A740-30K FR-A720-37K, 45K FR-A740-37K, 45K, 55K FR-A720-55K Unit: mm FR-A740-75K, 90K DC reactor supplied 2-φ12hole Rating plate 2-terminal (for M12 bolt) P1, P 4-installation hole (for M6 screw) Within D Earth (ground) terminal...
  • Page 171 Outline dimension drawings FR-A720-75K, 90K FR-A740-110K, 132K 2-φ12 hole DC reactor supplied Rating plate 2-terminal (for M12 bolt) 4-installation hole (for S screw) Within Earth (ground) terminal (for M6 screw) DC Reactor Type Mass (kg) FR-HEL-75K (FR-A720-75K) FR-HEL-90K (FR-A720-90K) FR-HEL-H110K (FR-A740-110K) FR-HEL-H132K (FR-A740-132K) Unit: mm...
  • Page 172 Outline dimension drawings FR-A740-160K, 185K 3-φ12 hole DC reactor supplied Rating plate 2-terminal (for M12 bolt) 4-installation hole (for S screw) Within Earth (ground) terminal (for M6 screw) Mass DC Reactor Type (kg) FR-HEL-H160K (FR-A740-160K) FR-HEL-H185K (FR-A740-185K) Unit: mm FR-A740-220K, 250K, 280K 3-φ12 hole DC reactor supplied Rating plate...
  • Page 173 Outline dimension drawings FR-A740-315K, 355K 3-φ12 hole R/L1 T/L3 S/L2 DC reactor supplied Rating plate 2-M8 eye nut 2-terminal (for M16 bolt) 4-installation hole (for M10 screw) Within 250 Earth (ground) terminal (for M8 screw) * Remove the eye nut after installation of the product. DC Reactor Type Mass (kg) FR-HEL-H315K (FR-A740-315K)
  • Page 174 Outline dimension drawings FR-A740-400K, 450K, 500K 4-φ12 hole R/L1 S/L2 T/L3 N/- DC reactor supplied DC reactor supplied Rating plate Rating plate 2-M8 eye nut 2-terminal 4- 15 hole 2-terminal 4- 15 hole Earth (ground) terminal (for M12 screw) * Remove the eye nut after installation of the product. Within 245 2-M12 eye nut 4-installation hole...

  • Page 175: Outline Drawing

    Outline dimension drawings Operation panel (FR-DU07) Panel 27.8 FR-DU07 3.2max Air- bleeding hole Cable 2-M3 screw Operation panel connection connector (FR-ADP option) Unit: mm Parameter unit (option) (FR-PU07) 25.05 (14.2) (11.45)

  • Page 176: Dedicated Motor Outline Dimension Drawings

    Outline dimension drawings 6.3.2 Dedicated motor outline dimension drawings Dedicated motor (SF-V5RU(H)) outline dimension drawings (standard horizontal type) Frame Number 90L Frame Number 100L, 112M, 132S, 132M SF-V5RU(H) SF-V5RU(H) Connector (for encoder) Connector (for encoder) MS3102A20-29P MS3102A20-29P Exhaust Exhaust Suction Suction Direction of Direction of...
  • Page 177 Outline dimension drawings Dedicated motor (SF-V5RU(H)) outline dimension drawings (standard horizontal type with brake) Frame Number 90L Frame Number 100L, 112M, 132S, 132M SF-V5RU(H) SF-V5RU(H) Connector (for encoder) Connector (for encoder) MS3102A20-29P Terminal box for cooling fan MS3102A20-29P Terminal box for cooling fan Main Exhaust terminal box...
  • Page 178 Outline dimension drawings Dedicated motor (SF-V5RU(H)) outline dimension drawings (flange type) Frame Number 90L Frame Number 100L, 112M, 132S, 132M SF-V5RUF(H) SF-V5RUF(H) Connector (for encoder) Connector (for encoder) MS3102A20-29P MS3102A20-29P LN LZ Exhaust LN LZ Section Exhaust Section Suction Suction Direction of cooling fan wind Earth (ground) terminal (M5)
  • Page 179 Outline dimension drawings Dedicated motor (SF-V5RU(H)) outline dimension drawings (flange type with brake) Frame Number 90L Frame Number 100L, 112M, 132S, 132M SF-V5RUF(H) SF-V5RUF(H) Connector (for encoder) Connector (for encoder) Terminal box for cooling fan MS3102A20-29P Terminal box for cooling fan MS3102A20-29P Exhaust Exhaust...
  • Page 180 Outline dimension drawings Dedicated motor (SF-THY) outline dimension drawings (1500r/min series) Frame Number 250MD, 280MD 75kW to 160kW PF4 Class B screw Connector (for encoder) Terminal box for cooling fan MS3102A20-29P Suction Exhaust Direction of cooling fan wind 4-φZ hole This hole is not used.

  • Page 181: Installation Of The Heatsink Portion Outside The Enclosure For Use

    Installation of the heatsink portion outside the enclosure for use 6.4 Installation of the heatsink portion outside the enclosure for use When encasing the inverter in an enclosure, the generated heat amount in an enclosure can be greatly reduced by installing the heatsink portion of the inverter outside the enclosure.
  • Page 182 Installation of the heatsink portion outside the enclosure for use (2) Shift and removal of a rear side installation frame • FR-A740-160K to 280K Shift One installation frame is attached to each of the upper and lower parts of the inverter. Change the position of the rear side Upper installation installation frame on the upper and lower sides of the inverter to...
  • Page 183 Installation of the heatsink portion outside the enclosure for use (3) Installation of the inverter Push the inverter heatsink portion outside the enclosure and fix the enclosure and inverter with upper and lower installation frame. * For the FR-A740-160K or more, there are finger Enclosure guards behind the enclosure.

  • Page 184: Appendices

    Note that the wiring cover (0.4K to 22K) is not compatible. FR-A500 series FR-A700 series (Note that the relay output 2 (A2, B2, C2) specific for the FR-A700 series can not be used with the FR-A500 series terminals.) (3) Instructions for continuous use of the FR-PU04 (parameter unit) 1) For the FR-A700 series, many functions (parameters) have been added.

  • Page 185: Appendix 1-2Replacement Of The Fr-A200 Series

    (5) Main differences and compatibilities with the FR-A500(L) series Item FR-A500(L) FR-A700 V/F control V/F control Advanced magnetic flux vector control Control method Advanced magnetic flux vector control Real sensorless vector control Vector control (used with a plug-in option FR-A7AP)

  • Page 186: Appendix 2 Instructions For Ul And Cul Compliance

    Appendix 2 Instructions for UL and cUL Compliance (Conforming standard UL 508C, CSA C22.2 No.14) (1) Installation This inverter is UL-listed as a product for use in an enclosure. Design an enclosure so that the inverter ambient temperature, humidity and atmosphere satisfy the specifications. (Refer to page 162.) Wiring protection For installation in the United States, branch circuit protection must be provided in accordance with the National...
  • Page 187 (2) Wiring of the power supply and motor For wiring the input (R/L1, S/L2, T/L3) and output (U, V, W) terminals of the inverter, use the UL Listed copper, stranded wires (rated at 75°C) and round ring crimping terminals. Crimp the crimping terminals with the crimping tool recommended by the terminal maker.

  • Page 188: Appendix 3Instructions For Compliance With The European Directives

    Appendix 3 Instructions for Compliance with the European Directives (1) EMC Directive We have self-confirmed our inverters as products compliant to the EMC Directive (second environment of conforming standard EN61800- 3) and place the CE mark on the inverters. Note: First environment Environment including residential buildings.
  • Page 189 REVISIONS *The manual number is given on the bottom left of the back cover. Print Date Revision Manual Number Jun., 2005 IB(NA)-0600225ENG-A First edition Aug., 2005 IB(NA)-0600225ENG-B Additions ⋅ FR-A720-75K, 90K ⋅ FR-A740-0.4K to 160K Sep., 2005 IB(NA)-0600225ENG-C Additions FR-A740-185K to 500K Compatible with the FR-A7AP ⋅...

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