Contents

This section is specifically about safety matters
CONTENTS
CHAPTER 1 OUTLINE
- 1.1 Pre-Operation Information
  - 1.1.1 Precautions for operation
- 1.2 Basic Configuration
  - 1.2.1 Basic configuration
- 1.3 Structure
  - 1.3.1 Appearance and structure
  - 1.3.2 Removal and reinstallation of the front cover
  - 1.3.3 Removal and reinstallation of the operation panel
CHAPTER 2 INSTALLATION AND WIRING
- 2.1 Installation
  - 2.1.1 Instructions for installation
- 2.2 Wiring
  - 2.2.1 Terminal connection diagram
  - 2.2.2 Wiring of the main circuit
  - 2.2.3 Wiring of the control circuit
  - 2.2.4 Connection to the PU connector
  - 2.2.5 Connection of stand-alone option units
  - 2.2.6 Design information
- 2.3 Other wiring
  - 2.3.1 Power harmonics
  - 2.3.2 Harmonic suppression guidelines
  - 2.3.3 Inverter-generated noises and their reduction techniques
  - 2.3.4 Leakage currents and countermeasures
  - 2.3.5 Inverter-driven 400V class motor
  - 2.3.6 Peripheral devices
  - 2.3.7 Instructions for compliance with U.S. and Canadian Electrical Codes
  - 2.3.8 Instructions for compliance with the European Directives
CHAPTER 3 OPERATION/CONTROL
- 3.1 Pre-Operation Information
  - 3.1.1 Devices and parts to be prepared for operation
  - 3.1.2 Power on
- 3.2 Operation Panel
  - 3.2.1 Names and functions of the operation panel (FR-DU04)
  - 3.2.2 Monitor display changed by pressing the key
  - 3.2.3 Monitoring
  - 3.2.4 Frequency setting
  - 3.2.5 Parameter setting method
  - 3.2.6 Operation mode
  - 3.2.7 Help mode
  - 3.2.8 Copy mode
- 3.3 Operation
  - 3.3.1 Pre-operation checks
  - 3.3.2 External operation mode (Operation using external input signals)
  - 3.3.3 PU operation mode (Operation using the operation panel (FR-DU04))
  - 3.3.4 Combined operation mode (Operation using the external input signals and PU)
CHAPTER 4 PARAMETERS
- 4.1 Parameter Lists
  - 4.1.1 Parameter lists
  - 4.1.2 List of parameters classified by purpose of use
  - 4.1.3 Parameters recommended to be set by the user
- 4.2 Parameter Function Details
  - 4.2.1 Torque boost (Pr. 0, Pr. 46, Pr. 112)
  - 4.2.2 Output frequency range (Pr. 1, Pr. 2, Pr. 18)
  - 4.2.3 Base frequency, base frequency voltage (Pr. 3, Pr. 19, Pr. 47, Pr. 113)
  - 4.2.4 Multi-speed operation (Pr. 4 to Pr. 6, Pr. 24 to Pr. 27, Pr. 232 to Pr. 239)
  - 4.2.5 Acceleration/deceleration time (Pr. 7, Pr. 8, Pr. 20, Pr. 21, Pr. 44, Pr. 45, Pr. 110, Pr. ...
  - 4.2.6 Electronic overcurrent protection (Pr. 9)
  - 4.2.7 DC injection brake (Pr. 10 to Pr. 12)
  - 4.2.8 Starting frequency (Pr. 13)
  - 4.2.9 Load pattern selection (Pr. 14)
  - 4.2.10 Jog operation (Pr. 15, Pr. 16)
  - 4.2.11 MRS input selection (Pr. 17)
  - 4.2.12 Stall prevention (Pr. 22, Pr. 23, Pr. 66, Pr. 148, Pr. 149, Pr. 154)
  - 4.2.13 Multi-speed input compensation (Pr. 28)
  - 4.2.14 Acceleration/deceleration pattern (Pr. 29, Pr. 140 to Pr. 143)
  - 4.2.15 Regenerative brake duty (Pr. 30, Pr. 70)
  - 4.2.16 Frequency jump (Pr. 31 to Pr. 36)
  - 4.2.17 Speed display (Pr. 37, Pr. 144)
  - 4.2.18 Up-to-frequency sensitivity (Pr. 41)
  - 4.2.19 Output frequency detection (Pr. 42, Pr. 43, Pr. 50, Pr. 116)
  - 4.2.20 Second/third stall prevention (Pr. 48, Pr. 49, Pr. 114, Pr. 115)
  - 4.2.21 Monitor display/FM, AM terminal function selection (Pr. 52 to Pr. 54, Pr. 158)
  - 4.2.22 Monitoring reference (Pr. 55, Pr. 56)
  - 4.2.23 Automatic restart after instantaneous power failure (Pr. 57, Pr. 58, Pr. 162, Pr. 165, Pr....
  - 4.2.24 Remote setting function selection (Pr. 59)
  - 4.2.25 Intelligent mode selection (Pr. 60)
  - 4.2.26 Acceleration/deceleration reference current (Pr. 61 to Pr. 64)
  - 4.2.27 Retry function (Pr. 65, Pr. 67 to Pr. 69)
  - 4.2.28 Applied motor (Pr. 71)
  - 4.2.29 PWM carrier frequency (Pr. 72, Pr. 240)
  - 4.2.30 Voltage input (Pr. 73)
  - 4.2.31 Input filter time constant (Pr. 74)
  - 4.2.32 Reset selection/PU disconnection detection/PU stop selection (Pr. 75)
  - 4.2.33 Alarm code output selection (Pr. 76)
  - 4.2.34 Parameter write disable selection (Pr. 77)
  - 4.2.35 Reverse rotation prevention selection (Pr. 78)
  - 4.2.36 Operation mode selection (Pr. 79)
  - 4.2.37 Motor capacity/number of motor poles/speed control gain (Pr. 80, Pr. 81, Pr. 89)
  - 4.2.38 Offline auto tuning function (Pr. 82 to Pr. 84, Pr. 90 to Pr. 94, Pr. 96)
  - 4.2.39 Online auto tuning selection (Pr. 95)
  - 4.2.40 V/F control frequency (voltage) (Pr. 100 to Pr. 109)
  - 4.2.41 Computer link operation (Pr. 117 to Pr. 124, Pr. 342)
  - 4.2.42 PID control (Pr. 128 to Pr. 134)
  - 4.2.43 Commercial power supply-inverter switch-over function (Pr. 135 to Pr. 139)
  - 4.2.44 Output current detection function (Pr. 150, Pr. 151)
  - 4.2.45 Zero current detection (Pr. 152, Pr. 153)
  - 4.2.46 RT signal activated condition selection (Pr. 155)
  - 4.2.47 Stall prevention function and current limit function (Pr. 156)
  - 4.2.48 OL signal output timer (Pr. 157)
  - 4.2.49 User group selection (Pr. 160, Pr. 173 to Pr. 176)
  - 4.2.50 Watt-hour meter clear/actual operation hour meter clear (Pr. 170, Pr. 171)
  - 4.2.51 Input terminal function selection (Pr. 180 to Pr. 186)
  - 4.2.52 Output terminal function selection (Pr. 190 to Pr. 195)
  - 4.2.53 User initial value setting (Pr. 199)
  - 4.2.54 Programmed operation function (Pr. 200 to Pr. 231)
  - 4.2.55 Cooling fan operation selection (Pr. 244)
  - 4.2.56 Stop selection (Pr. 250)
  - 4.2.57 Output phase failure protection selection (Pr. 251)
  - 4.2.58 Override bias/gain (Pr. 252, Pr. 253)
  - 4.2.59 Power failure-time deceleration-to-stop function (Pr. 261 to Pr. 266)
  - 4.2.60 Stop-on-contact, load torque high-speed frequency selection (Pr. 270)
  - 4.2.61 High-speed frequency control (Pr. 271 to Pr. 274)
  - 4.2.62 Stop-on-contact control function (Pr. 275, Pr. 276)
  - 4.2.63 Brake sequence function (Pr. 278 to Pr. 285)
  - 4.2.64 Droop control (Pr. 286, Pr. 287)
  - 4.2.65 Capacitor life alarm (Pr. 503, Pr. 504)
  - 4.2.66 FM / AM terminal calibration (Pr. 900, Pr. 901)
  - 4.2.67 Frequency setting voltage (current) bias and gain (Pr. 902 to Pr. 905)
  - 4.2.68 PU buzzer control (Pr. 990)
CHAPTER 5 PROTECTIVE FUNCTIONS
- 5.1 Errors (Alarms)
  - 5.1.1 Error (alarm) definitions
  - 5.1.2 To know the operating status at the occurrence of an alarm
  - 5.1.3 Correspondences between digital and actual characters
  - 5.1.4 Alarm code output
  - 5.1.5 Resetting the inverter
- 5.2 Troubleshooting
  - 5.2.1 Motor remains stopped
  - 5.2.2 Motor rotates in opposite direction
  - 5.2.3 Speed greatly differs from the setting
  - 5.2.4 Acceleration/deceleration is not smooth
  - 5.2.5 Motor current is large
  - 5.2.6 Speed does not increase
  - 5.2.7 Speed varies during operation
  - 5.2.8 Operation mode is not changed properly
  - 5.2.9 Operation panel (FR-DU04) display is not provided
  - 5.2.10 POWER lamp is not lit
  - 5.2.11 Parameter write cannot be performed
CHAPTER 6 PRECAUTIONS FOR MAINTENANCE AND INSPECTION
- 6.1 Precautions for maintenance and inspection
  - 6.1.1 Precautions for maintenance and inspection
  - 6.1.2 Check items
  - 6.1.3 Periodic inspection
  - 6.1.4 Insulation resistance test using megger
  - 6.1.5 Pressure test
  - 6.1.6 Daily and periodic inspection
  - 6.1.7 Replacement of parts
  - 6.1.8 Inverter replacement
  - 6.1.9 Measurement of main circuit voltages, currents and powers
CHAPTER 7 SPECIFICATIONS
- 7.1 Standard Specifications
  - 7.1.1 Model specification
  - 7.1.2 Common specifications
  - 7.1.3 Outline dimension drawings
CHAPTER 8 OPTIONS
- 8.1 Option List
  - 8.1.1 Stand-alone options
  - 8.1.2 Plug-in dedicated options
APPENDIX
- Appendix1 Data Code List
REVISONS

Mitsubishi Electric FR A500 Instructions Manual

Mitsubishi Electric FR A500 manual cover

Pages 257

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Mitsubishi Electric FR A500 Specification

The Mitsubishi Electric FR-A500 series is an advanced inverter designed for high-performance motor control applications. It features a sophisticated vector control algorithm that enhances torque and speed control, making it suitable for a wide range of industrial applications. The inverter is equipped with a powerful microprocessor that enables precise control and efficient operation, ensuring optimal performance of AC motors.

With a power range typically extending from 0.5 kW to 500 kW, the FR-A500 series supports a variety of motor types, including induction and permanent magnet motors. It offers a high carrier frequency, which reduces motor noise and enhances operational smoothness. The inverter's design includes robust overload protection and advanced braking functions, which improve safety and reliability in demanding environments.

Key functionalities include automatic energy-saving modes, which optimize power consumption by adjusting the motor's operational parameters. Its user-friendly interface with an easy-to-read digital display allows for straightforward configuration and monitoring. Communication options are extensive, featuring built-in RS-485, and compatibility with various networking protocols such as MODBUS, facilitating seamless integration into existing automation systems.

The FR-A500 series is engineered for durability, incorporating a heat-resistant casing and efficient cooling systems that extend its lifespan even in harsh industrial settings. Additionally, it supports flexible installation, with options for both wall and panel mounting. This inverter is compliant with international standards, ensuring suitability for global applications. The Mitsubishi Electric FR-A500 series stands out for its reliable performance, efficient energy management, and adaptability in complex industrial scenarios.

Mitsubishi Electric FR A500 F.A.Q.

How do I perform a parameter reset on the Mitsubishi Electric FR A500?

To perform a parameter reset on the FR A500, first turn off the power supply. Then, hold down the PU and STOP/RESET buttons simultaneously while turning the power back on. Release the buttons after a few seconds. This will reset all parameters to factory defaults.

What are the steps to troubleshoot an overcurrent fault on the FR A500?

Start by checking the motor and drive connections for any loose or damaged wires. Verify that the motor is not jammed or overloaded. Check the drive's current settings and ensure they match the motor's specifications. If the problem persists, consult the manual for specific error codes related to overcurrent faults.

How can I adjust the acceleration and deceleration times on the FR A500?

Access the drive's parameter settings via the keypad. Locate parameters 7 (acceleration time) and 8 (deceleration time). Adjust these parameters to the desired time values in seconds. Confirm the changes and monitor the drive's performance to ensure smooth operation.

What maintenance activities should be regularly performed on the FR A500?

Regular maintenance activities include cleaning the drive's cooling fans and heat sinks to prevent overheating, inspecting electrical connections for tightness and signs of wear, and checking for any unusual noises or vibrations during operation. Additionally, review the drive's parameters and logs for any anomalies.

How do I configure the FR A500 for remote operation using a PLC?

To configure the FR A500 for remote operation, connect the drive to the PLC using the correct communication interface (e.g., RS-485). Set the drive's communication parameters to match the PLC's settings. Program the PLC to send the appropriate start, stop, and speed reference signals to the drive.

Why is my FR A500 drive not starting even after issuing a start command?

Check if the drive is in a fault condition and clear any errors if present. Ensure that all safety interlocks and external controls are correctly engaged and that the drive is receiving the correct start signal. Verify that the drive's settings match the motor requirements.

Can the FR A500 be used with single-phase input power?

The FR A500 is primarily designed for three-phase input power. However, it may be possible to use single-phase input for certain models with derating. Consult the technical manual or contact Mitsubishi Electric support for specific guidance on single-phase applications.

How do I update the firmware on the Mitsubishi Electric FR A500?

Firmware updates for the FR A500 should be performed by qualified personnel. Obtain the latest firmware version from Mitsubishi Electric's official website. Follow the detailed instructions provided with the firmware package, ensuring all safety precautions are observed.

What is the procedure to manually control the FR A500 using the keypad?

Switch the drive to local (PU) mode using the keypad. Use the RUN button to start the drive and the STOP/RESET button to stop it. Adjust the speed using the up and down arrow keys. Ensure all safety conditions are met before operating the drive manually.

How can I extend the lifespan of my FR A500 drive?

To extend the lifespan of the FR A500, ensure it operates within its specified parameters and environmental conditions. Perform regular maintenance, keep the unit clean from dust and debris, and avoid frequent power cycling. Additionally, use appropriate surge protection and cooling mechanisms.