Contents

FR-A700 INSTRUCTION MANUAL (Applied)
This section is specifically about safety matters
CONTENTS
1 OUTLINE
- 1.1 Product checking and parts identification
- 1.2 Inverter and peripheral devices
  - 1.2.1 Peripheral devices
- 1.3 Method of removal and reinstallation of the front cover
- 1.4 Installation of the inverter and enclosure design
  - 1.4.1 Inverter installation environment
  - 1.4.2 Cooling system types for inverter enclosure
  - 1.4.3 Inverter placement
2 WIRING
- 2.1 Wiring
  - 2.1.1 Terminal connection diagram
  - 2.1.2 EMC filter
- 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 motor wiring.
  - 2.2.3 Cables and wiring length
  - 2.2.4 When connecting the control circuit and the main circuit separately to the power supply
- 2.3 Control circuit specifications
  - 2.3.1 Control circuit terminals
  - 2.3.2 Changing the control logic
  - 2.3.3 Wiring of control circuit
  - 2.3.4 Wiring instructions
  - 2.3.5 Mounting the operation panel (FR-DU07) or parameter unit (FR-PU07) on the enclosure surface
  - 2.3.6 RS-485 terminal block
  - 2.3.7 Communication operation
- 2.4 Connection of motor with encoder (vector control)
- 2.5 Connection of stand-alone option units
  - 2.5.1 Connection of the dedicated external brake resistor (FR-ABR)
  - 2.5.2 Connection of the brake unit (FR-BU2)
  - 2.5.3 Connection of the brake unit (FR-BU/MT-BU5)
  - 2.5.4 Connection of the brake unit (BU type)
  - 2.5.5 Connection of the high power factor converter (FR-HC/MT-HC)
  - 2.5.6 Connection of the power regeneration common converter (FR-CV)
  - 2.5.7 Connection of power regeneration converter (MT-RC)
  - 2.5.8 Connection of the power factor improving DC reactor (FR-HEL)
3 PRECAUTIONS FOR USE OF THE INVERTER
- 3.1 EMC and leakage currents
  - 3.1.1 Leakage currents and countermeasures
  - 3.1.2 EMC measures
  - 3.1.3 Power supply harmonics
  - 3.1.4 Harmonic Suppression Guidelines
- 3.2 Installation of a reactor
- 3.3 Power-off and magnetic contactor (MC)
- 3.4 Inverter-driven 400V class motor
- 3.5 Precautions for use of the inverter
- 3.6 Failsafe of the system which uses the inverter
4 PARAMETERS
- 4.1 Operation panel (FR-DU07)
  - 4.1.1 Parts of the operation panel (FR-DU07)
  - 4.1.2 Basic operation (factory setting)
  - 4.1.3 Changing the parameter setting value
  - 4.1.4 Displaying the set frequency
- 4.2 Parameter List
  - 4.2.1 Parameter list
- Parameters according to purposes
- 4.3 Control mode
  - 4.3.1 What is vector control?
  - 4.3.2 Change the control method (Pr. 80, Pr. 81, Pr. 451, Pr. 800)
- 4.4 Speed control by Real sensorless vector control, vector control
  - 4.4.1 Setting procedure of Real sensorless vector control (speed control)
  - 4.4.2 Setting procedure of vector control (speed control)
  - 4.4.3 Torque limit level setting for speed control (Pr. 22, Pr. 157, Pr. 803, Pr. 810 to Pr. 817, Pr. 858, Pr. 868, Pr. 874)
  - 4.4.4 To perform high accuracy/fast response operation (gain adjustment of Real sensorless vector control and vector control) (Pr. 818 to Pr. 821, Pr. 830, Pr. 831, Pr. 880)
  - 4.4.5 Speed feed forward control, model adaptive speed control (Pr. 828, Pr. 877 to Pr. 881)
  - 4.4.6 Torque biases (Pr. 840 to Pr. 848)
  - 4.4.7 Prevent the motor from overrunning (Pr. 285, Pr. 853, Pr. 873)
  - 4.4.8 Notch filter (Pr. 862, Pr. 863)
- 4.5 Torque control by Real sensorless vector control, vector control
  - 4.5.1 Torque control
  - 4.5.2 Setting procedure of Real sensorless vector control (torque control)
  - 4.5.3 Setting procedure of vector control (torque control)
  - 4.5.4 Torque command (Pr. 803 to Pr. 806)
  - 4.5.5 Speed limit (Pr. 807 to Pr. 809)
  - 4.5.6 Gain adjustment of torque control (Pr. 824, Pr. 825, Pr. 834, Pr. 835)
- 4.6 Position control by vector control
  - 4.6.1 Position control
  - 4.6.2 Simple position feed function by contact input (Pr. 419, Pr. 464 to Pr. 494)
  - 4.6.3 Position control (Pr. 419, Pr. 428 to Pr. 430) by inverter pulse train input
  - 4.6.4 Setting of the electronic gear (Pr. 420, Pr. 421, Pr. 424)
  - 4.6.5 Setting of positioning adjustment parameter (Pr. 426, Pr. 427)
  - 4.6.6 Gain adjustment of position control (Pr. 422, Pr. 423, Pr. 425)
  - 4.6.7 Trouble shooting for when position control is not exercised normally
- 4.7 Adjustment of Real sensorless vector control, vector control
  - 4.7.1 Speed detection filter and torque detection filter (Pr. 823, Pr. 827, Pr. 833, Pr. 837)
  - 4.7.2 Excitation ratio (Pr. 854)
- 4.8 Adjustment of the output torque (current) of the motor
  - 4.8.1 Manual torque boost (Pr. 0, Pr. 46, Pr. 112)
  - 4.8.2 Advanced magnetic flux vector control (Pr. 71, Pr. 80, Pr. 81, Pr. 89, Pr. 450, Pr. 451, Pr. 453, Pr. 454, Pr. 569, Pr. 800)
  - 4.8.3 Slip compensation (Pr. 245 to Pr. 247)
  - 4.8.4 Stall prevention operation (Pr. 22, Pr. 23, Pr. 48, Pr. 49, Pr. 66, Pr. 114, Pr. 115, Pr. 148, Pr. 149, Pr. 154, Pr. 156, Pr. 157, Pr. 858, Pr. 868)
- 4.9 Limiting the output frequency
  - 4.9.1 Maximum/minimum frequency (Pr. 1, Pr. 2, Pr. 18)
  - 4.9.2 Avoiding mechanical resonance points (Frequency jump) (Pr. 31 to Pr. 36)
- 4.10 V/F pattern
  - 4.10.1 Base frequency, voltage (Pr. 3, Pr. 19, Pr. 47, Pr. 113)
  - 4.10.2 Load pattern selection (Pr. 14)
  - 4.10.3 Elevator mode (automatic acceleration/deceleration) (Pr. 61, Pr. 64, Pr. 292)
  - 4.10.4 Adjustable 5 points V/F (Pr. 71, Pr. 100 to Pr. 109)
- 4.11 Frequency setting by external terminals
  - 4.11.1 Multi-speed setting operation (Pr. 4 to Pr. 6, Pr. 24 to Pr. 27, Pr. 232 to Pr. 239)
  - 4.11.2 Jog operation (Pr. 15, Pr. 16)
  - 4.11.3 Input compensation of multi-speed and remote setting (Pr. 28)
  - 4.11.4 Remote setting function (Pr. 59)
- 4.12 Setting of acceleration/deceleration time and acceleration/deceleration pattern
  - 4.12.1 Setting of the acceleration and deceleration time (Pr. 7, Pr. 8, Pr. 20, Pr. 21, Pr. 44, Pr. 45, Pr. 110, Pr. 111, Pr. 147)
  - 4.12.2 Starting frequency and start-time hold function (Pr. 13, Pr. 571)
  - 4.12.3 Acceleration/deceleration pattern (Pr. 29, Pr. 140 to Pr. 143, Pr. 380 to Pr. 383, Pr. 516 to Pr. 519)
  - 4.12.4 Shortest acceleration/deceleration and optimum acceleration/deceleration (automatic acceleration/deceleration) (Pr. 61 to Pr. 63, Pr. 292, Pr. 293)
- 4.13 Selection and protection of a motor
  - 4.13.1 Motor protection from overheat (Electronic thermal relay function) (Pr. 9, Pr. 51)
  - 4.13.2 Applied motor (Pr. 71, Pr. 450)
  - 4.13.3 Offline auto tuning (Pr. 71, Pr. 80 to Pr. 84, Pr. 90 to Pr. 94, Pr. 96, Pr. 450, Pr. 453 to Pr. 463, Pr. 684, Pr. 859, Pr. 860)
  - 4.13.4 Online auto tuning (Pr. 95, Pr. 574)
- 4.14 Motor brake and stop operation
  - 4.14.1 DC injection brake and zero speed control, servo lock (LX signal, X13 signal, Pr. 10 to Pr. 12, Pr. 802, Pr. 850)
  - 4.14.2 Selection of regenerative brake and DC feeding (Pr. 30, Pr. 70)
  - 4.14.3 Stop selection (Pr. 250)
  - 4.14.4 Stop-on contact control function (Pr. 6, Pr. 48, Pr. 270, Pr. 275, Pr. 276)
  - 4.14.5 Brake sequence function (Pr. 278 to Pr. 285, Pr. 292)
  - 4.14.6 Orientation control (Pr. 350 to Pr. 366, Pr. 369, Pr. 393, Pr. 396 to Pr. 399)
- 4.15 Function assignment of external terminal and control
  - 4.15.1 Input terminal function selection (Pr. 178 to Pr. 189)
  - 4.15.2 Inverter output shutoff signal (MRS signal, Pr. 17)
  - 4.15.3 Condition selection of function validity by the second function selection signal (RT) and third function selection signal (X9) (RT signal, X9 signal, Pr. 155)
  - 4.15.4 Start signal operation selection (STF, STR, STOP signal, Pr. 250)
  - 4.15.5 Magnetic flux decay output shutoff signal (X74 signal)
  - 4.15.6 Output terminal function selection (Pr. 190 to Pr. 196)
  - 4.15.7 Detection of output frequency (SU, FU, FU2 , FU3, FB, FB2, FB3, LS signal, Pr. 41 to Pr. 43, Pr. 50, Pr. 116, Pr. 865)
  - 4.15.8 Output current detection function (Y12 signal, Y13 signal, Pr. 150 to Pr. 153, Pr. 166, Pr. 167)
  - 4.15.9 Detection of output torque (TU signal, Pr. 864)
  - 4.15.10 Remote output function (REM signal, Pr. 495 to Pr. 497)
- 4.16 Monitor display and monitor output signal
  - 4.16.1 Speed display and speed setting (Pr. 37, Pr. 144, Pr. 505, Pr. 811)
  - 4.16.2 DU/PU, FM, AM terminal monitor display selection (Pr. 52, Pr. 54, Pr. 158, Pr. 170, Pr. 171, Pr. 268, Pr. 563, Pr. 564, Pr. 891)
  - 4.16.3 Reference of the terminal FM (pulse train output) and AM (analog voltage output) (Pr. 55, Pr. 56, Pr. 291, Pr. 866, Pr. 867)
  - 4.16.4 Terminal FM, AM calibration (Calibration parameter C0 (Pr. 900), C1 (Pr. 901))
- 4.17 Operation selection at power failure and instantaneous power failure
  - 4.17.1 Automatic restart after instantaneous power failure/flying start (Pr. 57, Pr. 58, Pr. 162 to Pr. 165, Pr. 299, Pr. 611)
  - 4.17.2 Power failure-time deceleration-to-stop function (Pr. 261 to Pr. 266, Pr. 294 )
- 4.18 Operation setting at fault occurrence
  - 4.18.1 Retry function (Pr. 65, Pr. 67 to Pr. 69)
  - 4.18.2 Fault code output selection (Pr. 76)
  - 4.18.3 Input/output phase loss protection selection (Pr. 251, Pr. 872)
  - 4.18.4 Overspeed detection (Pr. 374)
  - 4.18.5 Encoder signal loss detection (Pr. 376)
  - 4.18.6 Fault definition (Pr. 875)
- 4.19 Energy saving operation and energy saving monitor
  - 4.19.1 Energy saving control (Pr. 60)
  - 4.19.2 Energy saving monitor (Pr. 891 to Pr. 899)
- 4.20 Motor noise, EMI measures
  - 4.20.1 PWM carrier frequency and Soft-PWM control (Pr. 72, Pr. 240)
- 4.21 Frequency/torque setting by analog input (terminal 1, 2, 4)
  - 4.21.1 Function assignment of analog input terminal (Pr. 858, Pr. 868)
  - 4.21.2 Analog input selection (Pr. 73, Pr. 267)
  - 4.21.3 Analog input compensation (Pr. 73, Pr. 242, Pr. 243, Pr. 252, Pr. 253)
  - 4.21.4 Response level of analog input and noise elimination (Pr. 74, Pr. 822, Pr. 826, Pr. 832, Pr. 836, Pr. 849)
  - 4.21.5 Bias and gain of frequency setting voltage (current) (Pr. 125, Pr. 126, Pr. 241, C2(Pr. 902) to C7(Pr. 905), C12(Pr. 917) to C15(Pr. 918))
  - 4.21.6 Bias and gain of torque (magnetic flux) setting voltage (current) (Pr. 241, C16(Pr. 919) to C19(Pr. 920), C38 (Pr. 932) to C41 (Pr. 933))
- 4.22 Misoperation prevention and parameter setting restriction
  - 4.22.1 Reset selection/disconnected PU detection/PU stop selection (Pr. 75)
  - 4.22.2 Parameter write selection (Pr. 77)
  - 4.22.3 Reverse rotation prevention selection (Pr. 78)
  - 4.22.4 Display of applied parameters and user group function (Pr. 160, Pr. 172 to Pr. 174)
  - 4.22.5 Password function (Pr. 296, Pr. 297)
- 4.23 Selection of operation mode and operation location
  - 4.23.1 Operation mode selection (Pr. 79)
  - 4.23.2 Operation mode at power ON (Pr. 79, Pr. 340)
  - 4.23.3 Start command source and frequency command source during communication operation (Pr. 338, Pr. 339, Pr. 550, Pr. 551)
- 4.24 Communication operation and setting
  - 4.24.1 Wiring and configuration of PU connector
  - 4.24.2 Wiring and arrangement of RS-485 terminals
  - 4.24.3 Initial settings and specifications of RS-485 communication (Pr. 117 to Pr. 124, Pr. 331 to Pr. 337, Pr. 341, Pr. 549)
  - 4.24.4 Communication EEPROM write selection (Pr. 342)
  - 4.24.5 Mitsubishi inverter protocol (computer link communication)
  - 4.24.6 Modbus-RTU communication specifications (Pr. 331, Pr. 332, Pr. 334, Pr. 343, Pr. 539, Pr. 549)
  - 4.24.7 USB communication (Pr. 547, Pr. 548)
- 4.25 Special operation and frequency control
  - 4.25.1 PID control (Pr. 127 to Pr. 134, Pr. 575 to Pr. 577)
  - 4.25.2 Bypass-inverter switchover function (Pr. 57, Pr. 58, Pr. 135 to Pr. 139, Pr. 159)
  - 4.25.3 Load torque high speed frequency control (Pr. 4, Pr. 5, Pr. 270 to Pr. 274)
  - 4.25.4 Droop control (Pr. 286 to Pr. 288)
  - 4.25.5 Frequency setting by pulse train input (Pr. 291, Pr. 384 to Pr. 386)
  - 4.25.6 Encoder feedback control (Pr. 144, Pr. 285, Pr. 359, Pr. 367 to Pr. 369)
  - 4.25.7 Regeneration avoidance function (Pr. 665, Pr. 882 to Pr. 886)
- 4.26 Useful functions
  - 4.26.1 Cooling fan operation selection (Pr. 244)
  - 4.26.2 Display of the life of the inverter parts (Pr. 255 to Pr. 259)
  - 4.26.3 Maintenance timer alarm (Pr. 503, Pr. 504)
  - 4.26.4 Current average value monitor signal (Pr. 555 to Pr. 557)
  - 4.26.5 Free parameter (Pr. 888, Pr. 889)
- 4.27 Setting of the parameter unit and operation panel
  - 4.27.1 PU display language selection (Pr. 145)
  - 4.27.2 Setting dial potentiometer mode/key lock selection (Pr. 161)
  - 4.27.3 Buzzer control (Pr. 990)
  - 4.27.4 PU contrast adjustment (Pr. 991)
- 4.28 Parameter clear and all parameter clear
- 4.29 Parameter copy and parameter verification
  - 4.29.1 Parameter copy
  - 4.29.2 Parameter verification
- 4.30 Check and clear of the faults history
5 PROTECTIVE FUNCTIONS
- 5.1 Reset method of protective function
- 5.2 List of fault or alarm display
- 5.3 Causes and corrective actions
- 5.4 Correspondences between digital and actual characters
- 5.5 Check first when you have a trouble
  - 5.5.1 Motor does not start
  - 5.5.2 Motor or machine is making abnormal acoustic noise
  - 5.5.3 Inverter generates abnormal noise
  - 5.5.4 Motor generates heat abnormally
  - 5.5.5 Motor rotates in the opposite direction
  - 5.5.6 Speed greatly differs from the setting
  - 5.5.7 Acceleration/deceleration is not smooth
  - 5.5.8 Speed varies during operation
  - 5.5.9 Operation mode is not changed properly
  - 5.5.10 Operation panel (FR-DU07) display is not operating
  - 5.5.11 Motor current is too large
  - 5.5.12 Speed does not accelerate
  - 5.5.13 Unable to write parameter setting
  - 5.5.14 Power lamp is not lit
6 PRECAUTIONS FOR MAINTENANCE AND INSPECTION
- 6.1 Inspection item
  - 6.1.1 Daily inspection
  - 6.1.2 Periodic inspection
  - 6.1.3 Daily and periodic inspection
  - 6.1.4 Display of the life of the inverter parts
  - 6.1.5 Checking the inverter and converter modules
  - 6.1.6 Cleaning
  - 6.1.7 Replacement of parts
  - 6.1.8 Inverter replacement
- 6.2 Measurement of main circuit voltages, currents and powers
  - 6.2.1 Measurement of powers
  - 6.2.2 Measurement of voltages and use of PT
  - 6.2.3 Measurement of currents
  - 6.2.4 Use of CT and transducer
  - 6.2.5 Measurement of inverter input power factor
  - 6.2.6 Measurement of converter output voltage (across terminals P/+ - N/-)
  - 6.2.7 Measurement of inverter output frequency
  - 6.2.8 Insulation resistance test using megger
  - 6.2.9 Pressure test
7 SPECIFICATIONS
- 7.1 Inverter rating
- 7.2 Motor rating
- 7.3 Common specifications
- 7.4 Outline dimension drawings
  - 7.4.1 Inverter outline dimension drawings
  - 7.4.2 Dedicated motor outline dimension drawings
- 7.5 Heatsink protrusion attachment procedure
  - 7.5.1 When using a heatsink protrusion attachment (FR-A7CN)
  - 7.5.2 Protrusion of heatsink of the FR-A740-160K or higher
APPENDICES
- Appendix 1 For customers who are replacing the older model with this inverter
  - Appendix 1-1 Replacement of the FR-A500 series
  - Appendix 1-2 Replacement of the FR-A200 <EXCELENT> series
- Appendix 2 Control mode-based parameter (function) correspondence table and instruction code list
- Appendix 3 Specification change
  - Appendix 3-1 Changed functions
REVISIONS
Instruction Supplement (BCN-C22005-634)
- 1 PM sensorless vector control
  - 1.1 Setting procedure of PM sensorless vector control
  - 1.2 Initializing the parameters required for the PM sensorless vector control (Pr.998)
  - 1.3 Offline auto tuning for an IPM motor (motor constant tuning) (Pr.1, Pr.9, Pr.18, Pr.71, Pr.80, Pr.81, Pr.83, Pr.84, Pr.90, Pr.92, Pr.93, Pr.96, Pr.684, Pr.706, Pr.707, Pr.711, Pr.712, Pr.721, Pr.724, Pr.725, Pr.859)
  - 1.4 Applied motor (Pr. 71)
  - 1.5 Position control under PM sensorless vector control (Pr.800)
  - 1.6 Low-speed range torque characteristics (Pr.788)
  - 1.7 Setting the acceleration/deceleration time in the low-speed range (Pr.791, Pr.792)
  - 1.8 DC injection brake of the PM sensorless vector control
  - 1.9 PM sensorless vector control specification
  - 1.10 Motor specification
- 2 Voltage reduction selection during stall prevention operation (Pr.154)
- 3 Speed detection hysteresis (Pr.870)
- 4 Limit regeneration avoidance operation frequency (Pr. 885)
- 5 Break point setting for droop control (Pr.994, Pr.995)
- 6 Setting multiple parameters as a batch (Pr.999)
- 7 SERIAL number check
Instruction Supplement (BCN-C22005-642)

Mitsubishi FR-A700 FR-A720-0.4K Instruction Manual

Mitsubishi FR-A700 FR-A720-0.4K Inverter manual cover

Pages 523

Year 2012

Language(s)

of 523

Mitsubishi FR-A700 FR-A720-0.4K Inverter

Instruction Manual

523 pages

Instruction Manual

224 pages

Mitsubishi FR-A700 FR-A720-0.4K Inverter Specification

The Mitsubishi FR-A700 FR-A720-0.4K Inverter is a high-performance variable frequency drive designed for precision control in industrial applications. This inverter supports a power rating of 0.4 kW, making it suitable for small to medium-sized motors. It operates on a three-phase power supply and is engineered to enhance energy efficiency and motor performance. The FR-A720-0.4K features advanced vector control technology, enabling precise speed and torque regulation, which is essential for applications requiring accurate motor control.

The inverter is equipped with a robust digital signal processor that ensures rapid response and high-level processing capabilities. It offers a wide frequency range, allowing for flexible motor operation. The built-in PID control function facilitates seamless integration into complex control systems, optimizing process control without the need for external controllers. Additionally, the inverter is designed with comprehensive protective features, including overcurrent, overvoltage, and overload protection, enhancing system reliability and preventing potential damage.

Connectivity and communication are streamlined with support for various networking options, including RS-485 and optional communication cards for integration into fieldbus systems. The user interface is intuitive, featuring a digital keypad for easy parameter setting and monitoring. The inverter also includes a real-time clock and built-in PLC functionality, allowing for standalone operation and reduced system complexity.

With its compact design, the FR-A720-0.4K is easy to install in diverse environments, and its cooling system is optimized for efficient heat dissipation. This inverter is compliant with global standards, ensuring it meets rigorous industrial requirements. Overall, the Mitsubishi FR-A700 FR-A720-0.4K Inverter is a versatile and reliable solution for enhancing motor control in various industrial settings.

Mitsubishi FR-A700 FR-A720-0.4K Inverter F.A.Q.

How do I perform a factory reset on the Mitsubishi FR-A720-0.4K inverter?

To perform a factory reset, enter the inverter's parameter setting mode, navigate to parameter 79, and set it to 1. Confirm the operation to reset all parameters to factory settings.

What is the proper procedure for wiring the FR-A720-0.4K inverter?

Ensure power is disconnected before wiring. Connect the input power to the R, S, T terminals and the motor to the U, V, W terminals. Verify connections with the manual for specific wiring details.

How can I troubleshoot an overvoltage fault on the FR-A720-0.4K inverter?

Check the power supply voltage and ensure it is within the inverter's rated range. Inspect the deceleration time setting and increase it if necessary to prevent regenerative overvoltage.

What maintenance procedures should I follow for the FR-A720-0.4K inverter?

Regularly clean the cooling fan and heat sink to prevent overheating. Check connections and tighten any loose screws. Inspect for any signs of wear or damage.

How do I set the motor speed on the Mitsubishi FR-A720-0.4K inverter?

Access the parameter setting mode and adjust parameter 2 (frequency setting) to your desired value. Ensure that the motor is compatible with the set frequency.

How can I resolve a communication error when using the FR-A720-0.4K inverter with a PLC?

Verify that the communication settings match between the inverter and PLC. Check the wiring and replace any faulty cables. Confirm that the correct protocol is selected.

What are the steps to update the firmware on the FR-A720-0.4K inverter?

Refer to the Mitsubishi Electric website for the latest firmware version. Follow the instructions provided in the update guide, using a USB connection and the specified software tool.

What does the E.OC1 error code mean on the FR-A720-0.4K inverter, and how can it be fixed?

E.OC1 indicates an overcurrent during acceleration. Reduce the load or increase the acceleration time to prevent excessive current. Check motor and mechanical load for issues.

How can I extend the lifespan of my FR-A720-0.4K inverter?

Ensure proper ventilation and avoid operating the inverter in extreme temperatures. Regularly clean and inspect the unit, and follow the recommended maintenance schedule.

Can the FR-A720-0.4K inverter be used with a single-phase motor?

The FR-A720-0.4K inverter is designed for three-phase motors. Using it with a single-phase motor is not recommended and may lead to malfunction or damage.