Contents

FR-V500L INSTRUCTION MANUAL (Basic)
FR-V500L(basic) top page
- This section is specifically about safety matters
- 1 OUTLINE
  - 1.1 Basic configuration and connection of peripheral devices
    - 1.1.1 Basic configuration
    - 1.1.2 Selection of peripheral devices
  - 1.2 Motor
    - 1.2.1 PLG cable and PLG setting
    - 1.2.2 Setting the motor
  - 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
- 2 INSTALLATION AND WIRING
  - 2.1 Instructions for installation
  - 2.2 Connection diagram, PU connector
    - 2.2.1 Connection diagram
    - 2.2.2 Main circuit
    - 2.2.3 Control circuit
    - 2.2.4 Connection to the PU connector
    - 2.2.5 Notes on earthing (grounding)
  - 2.3 Precautions for use of the vector inverter
- 3 RUN AND OPERATION
  - 3.1 Checks prior to test run
  - 3.2 Basic operation (Speed setting, run, speed meter adjustment)
    - 3.2.1 Setting the speed and running the motor
    - 3.2.2 Adjustment (calibration) of speed meter (meter)
  - 3.3 Names and functions of the operation panel
    - 3.3.1 Monitor display changed by pressing
    - 3.3.2 Monitoring
    - 3.3.3 Speed setting
    - 3.3.4 Parameter setting method (Example: Method to enable extended function parameters)
    - 3.3.5 Operation mode
    - 3.3.6 Help mode
    - 3.3.7 Copy mode
- 4 CONTROL
  - 4.1 Speed control operation
    - 4.1.1 Speed control
    - 4.1.2 Operation transition
    - 4.1.3 Setting procedure
    - 4.1.4 Operation command setting
    - 4.1.5 Torque restriction
    - 4.1.6 Gain adjustment
  - 4.2 Torque control operation
    - 4.2.1 Torque control
    - 4.2.2 Operation transition
    - 4.2.3 Setting procedure
    - 4.2.4 Torque command right selection
    - 4.2.5 "Torque command setting
    - 4.2.6 Speed restriction
    - 4.2.7 Optimum speed estimation and torque control accuracy improvement
  - 4.3 Position control operation
    - 4.3.1 Position command from parameter setting
    - 4.3.2 Position command from PLC
  - 4.4 Control mode switchover timing
  - 4.5 Easy gain tuning
    - 4.5.1 Parameter
    - 4.5.2 Easy gain tuning execution procedure
    - 4.5.3 Precautions for easy gain tuning
    - 4.5.4 Automatically set parameters by easy gain tuning
    - 4.5.5 Easy gain tuning-related parameter operation
  - 4.6 Online auto tuning
    - 4.6.1 Parameters
    - 4.6.2 Pr. 95="1" (start-time tuning)
    - 4.6.3 Pr. 95 = "2" (normal tuning)/adaptive magnetic flux observer
  - 4.7 Biases and gains of speed setting terminals (Pr. 902 to Pr. 905, Pr. 917 to Pr. 920)
- 5 PARAMETERS
  - 5.1 Function list (Simple mode parameters)
    - 5.1.1 Simple mode parameter list (Japanese version)
    - 5.1.2 Simple mode parameter list (NA version)
    - 5.1.3 Explanation of simple mode parameters
  - 5.2 Function list (Extended function parameters)
- 6 ERRORS AND PROTECTIVE FUNCTIONS
  - 6.1 Errors (Alarms)
    - 6.1.1 Major faults
    - 6.1.2 Warnings
    - 6.1.3 How to recover from PU stop error (PS)
  - 6.2 Correspondences between digital and actual characters
  - 6.3 Resetting the inverter
  - 6.4 Troubleshooting
    - 6.4.1 Motor generates abnormal noise
    - 6.4.2 Motor does not rotate
    - 6.4.3 Motor generates heat abnormally
    - 6.4.4 Motor hunts
    - 6.4.5 Machine operates unstably
    - 6.4.6 Speed command does not match motor speed
    - 6.4.7 Motor rotates but speed does not change
    - 6.4.8 Torque control is not exercised normally
  - 6.5 Precautions for maintenance and inspection
    - 6.5.1 Precautions for maintenance and inspection
    - 6.5.2 Check items
    - 6.5.3 Periodic inspection
    - 6.5.4 Insulation resistance test using megger
    - 6.5.5 Pressure test
    - 6.5.6 Daily and periodic inspection
    - 6.5.7 Replacement of parts
    - 6.5.8 Measurement of main circuit voltages, currents and powers
- 7 SPECIFICATIONS
  - 7.1 Model specifications
  - 7.2 Common specifications
  - 7.3 Outline dimension drawings
    - 7.3.1 Inverter outline dimension drawings
- Appendix 1 Instructions for Compliance with UL and cUL

Mitsubishi FR-V500L FR-V520L-75K-NA Instruction Manual

Mitsubishi FR-V500L FR-V520L-75K-NA Inverter manual cover

Pages 114

Year 2002

Language(s)

of 114

Mitsubishi FR-V500L FR-V520L-75K-NA Inverter Specification

The Mitsubishi FR-V500L FR-V520L-75K-NA Inverter is a high-performance, variable frequency drive engineered to optimize the control of three-phase induction and synchronous motors. This model operates with a power capacity of 75 kilowatts, enhancing its capability to manage demanding industrial applications effectively. The inverter features advanced vector control technology, which ensures precise motor speed regulation, improved torque performance, and increased energy efficiency.

The FR-V520L-75K-NA model is designed with a robust, compact structure that facilitates easy integration into various industrial systems. It supports a wide input voltage range and includes built-in protective features such as over-current, over-voltage, and thermal overload protection to ensure operational safety and reliability. The inverter's user interface is intuitive, offering a digital display for easy monitoring and parameter adjustments.

Additionally, the FR-V520L-75K-NA comes equipped with multiple communication options, including compatibility with RS-485 and optional fieldbus protocols, allowing seamless connectivity and integration into automation networks. Its flexibility is further enhanced by programmable logic functions that enable customization to meet specific application requirements.

The Mitsubishi FR-V500L series emphasizes energy conservation through its advanced control algorithms, contributing to reduced operational costs. This model is ideal for applications in sectors such as manufacturing, water treatment, and HVAC systems, where precision and efficiency are paramount. With its blend of high performance, reliability, and adaptability, the FR-V520L-75K-NA inverter is a versatile solution designed to meet the evolving demands of modern industrial environments.

Mitsubishi FR-V500L FR-V520L-75K-NA Inverter F.A.Q.

What is the correct procedure for initial setup of the Mitsubishi FR-V500L inverter?

To set up the Mitsubishi FR-V500L inverter, start by connecting the power supply and motor leads to the inverter. Ensure all connections are secure and follow the wiring diagram provided in the manual. Power on the inverter and configure the basic parameters such as motor type, capacity, and voltage using the keypad. Refer to the manual for detailed parameter settings.

How can I troubleshoot an overcurrent fault on the FR-V520L-75K-NA inverter?

First, check for any visible signs of damage or loose connections. Verify that the motor is not jammed or overloaded. Check the wiring between the inverter and the motor for any signs of wear or damage. If the problem persists, consider resetting the inverter to its factory settings and reconfiguring the parameters. Consult the manual for specific error codes and recommended actions.

What maintenance steps are recommended for the Mitsubishi FR-V500L inverter?

Regular maintenance of the Mitsubishi FR-V500L inverter includes cleaning the cooling fans and heat sinks to prevent overheating. Inspect all electrical connections for signs of wear or corrosion. Check the inverter for any error codes and address them promptly. Perform a visual inspection of the circuit boards and components for any signs of damage or aging.

How do I reset the Mitsubishi FR-V520L-75K-NA inverter to factory settings?

To reset the FR-V520L-75K-NA inverter to factory settings, access the parameter menu via the keypad. Navigate to the reset function, typically found in the advanced settings. Follow the prompts to confirm the reset process. Consult the user manual for the exact parameter number and steps, as they may vary by model.

What are the typical causes of a communication error in the FR-V500L inverter?

A communication error in the FR-V500L inverter can be caused by incorrect parameter settings, faulty communication cables, or interference from external sources. Ensure that the communication cables are properly connected and not damaged. Verify that the communication settings in the inverter match those of the connected devices. Minimize interference by keeping communication lines separate from power cables.

Can the Mitsubishi FR-V520L-75K-NA inverter be used with multiple motors?

Yes, the Mitsubishi FR-V520L-75K-NA inverter can control multiple motors, but it requires careful configuration. Each motor should have the same specifications, and the total motor load should not exceed the inverter's capacity. Use motor switching devices and configure the inverter parameters to handle the multi-motor setup.

How can I improve the energy efficiency of the FR-V500L inverter?

Improving energy efficiency involves optimizing the inverter's parameters, such as adjusting the acceleration and deceleration times and using the energy-saving function if available. Regularly maintain the inverter to ensure it's operating under optimal conditions, and consider upgrading to newer models if energy efficiency is a primary concern.

What should I do if the FR-V520L-75K-NA inverter does not start the motor?

If the inverter does not start the motor, check for any active alarm or error messages on the display. Verify that all connections are secure and that the correct start/stop commands are being sent. Ensure the parameters are set correctly for the motor and application. Perform a manual test to verify the motor functionality.

How do I update the firmware on the Mitsubishi FR-V500L inverter?

To update the firmware, download the latest version from the Mitsubishi Electric website. Connect the inverter to a computer using the appropriate communication interface. Use the Mitsubishi Electric software tool to upload the new firmware to the inverter. Follow the on-screen instructions to complete the update process.

What safety precautions should be taken when working with the FR-V520L-75K-NA inverter?

Always disconnect the power supply before performing any maintenance or troubleshooting. Use insulated tools and wear appropriate personal protective equipment (PPE). Ensure the inverter is properly grounded and avoid touching any electrical components with bare hands. Follow all safety guidelines outlined in the user manual.