Contents

FR-A8AX E KIT INSTRUCTION MANUAL
Safety instructions
CONTENTS
1 PRE-OPERATION INSTRUCTIONS
- 1.1 Unpacking and checking the product
  - 1.1.1 Product confirmation
- 1.2 Component names
- 1.3 Specifications
2 INSTALLATION
- 2.1 Pre-installation instructions
- 2.2 Installation procedure
- 2.3 Wiring
3 16-BIT DIGITAL INPUT
- 3.1 Connection diagram
- 3.2 Terminals
- 3.3 Code input example
- 3.4 Parameter list
- 3.5 Setting the parameter
  - 3.5.1 Selection of input method (Pr.304)
  - 3.5.2 Read timing operation selection (Pr.305)
  - 3.5.3 Bias and gain adjustment (Pr.300 to Pr.303)
  - 3.5.4 Digital input unit selection (Pr.329)
  - 3.5.5 16-bit digital torque command
- 3.6 Precautions
APPENDIX
- Appendix 1 Instructions for compliance with the EU Directives
- Appendix 2 Instructions for EAC
- Appendix 3 Restricted Use of Hazardous Substances in Electronic and Electrical Products
- Appendix 4 Referenced Standard (Requirement of Chinese standardized law)
REVISIONS

Mitsubishi FR-A8AX E Instruction Manual

Mitsubishi FR-A8AX E Inverter manual cover

Pages 44

Year 2019

Language(s)

of 44

Mitsubishi FR-A8AX E Inverter Specification

The Mitsubishi FR-A8AX E Inverter is a versatile and robust component designed to enhance motor control applications through its advanced features. This inverter offers precise motor speed control, supporting a wide range of industrial applications. It operates with an input voltage range of 380V to 480V AC, making it suitable for various power environments. The inverter is engineered to deliver a maximum output frequency of 400 Hz, providing flexibility for high-speed applications.

The FR-A8AX E is equipped with a sophisticated vector control algorithm that ensures superior torque performance and motor efficiency, even at low speeds. This results in energy savings and optimized motor performance. The inverter supports both induction and permanent magnet synchronous motors, offering adaptability across different motor types. It includes an integrated EMC filter that minimizes electromagnetic interference, ensuring compliance with industrial standards.

This inverter model features enhanced safety mechanisms, including overcurrent, overvoltage, and thermal overload protection, safeguarding the motor and the system from potential damage. The FR-A8AX E incorporates a user-friendly interface with a digital keypad and a clear display, simplifying configuration and monitoring tasks. Its connectivity options include RS-485 communication, facilitating integration into existing industrial networks and enabling remote monitoring and control.

Compact in design, the FR-A8AX E is easy to install and maintain, reducing downtime and operational costs. It is designed to operate efficiently in demanding environments, with a robust construction that withstands harsh industrial conditions. The Mitsubishi FR-A8AX E Inverter is an ideal solution for industries seeking reliable, efficient, and flexible motor control technology.

Mitsubishi FR-A8AX E Inverter F.A.Q.

How do I properly install the Mitsubishi FR-A8AX E Inverter?

Ensure that the inverter is mounted vertically on a clean, dry surface with adequate ventilation. Follow the wiring diagram provided in the manual for electrical connections, and ensure all connections are secure to prevent vibration.

What is the procedure to reset the Mitsubishi FR-A8AX E Inverter?

To reset the inverter, press the 'RESET' button on the control panel until the display clears, or cycle the power off and then back on. Ensure any faults are resolved before resetting to prevent reoccurrence.

How can I troubleshoot when the inverter does not start?

Check for power supply issues, blown fuses, or tripped circuit breakers. Verify that all input and output connections are correct and tightly secured. Ensure that the emergency stop is not activated and that all safety interlocks are satisfied.

What maintenance is required for optimal performance of the FR-A8AX E Inverter?

Regularly inspect the inverter for dust accumulation, clean the cooling vents, and check for loose connections. Perform periodic software updates and review the error log for any unresolved issues.

How can I configure the inverter for a specific application?

Access the inverter's parameter settings using the control panel or a connected PC. Adjust parameters such as frequency, voltage, and motor control mode to match the requirements of your specific application.

How do I address overheating issues with the inverter?

Ensure the inverter is installed in a well-ventilated area, and the cooling fans are operational. Check for blockages in the air vents and confirm that the ambient temperature is within specified limits. Consider reducing the load if overheating persists.

What should I do if the inverter displays an overvoltage fault?

Verify the input voltage is within the inverter’s specified range. Check the power supply for sudden spikes or instability. Use a voltage regulator if necessary, and inspect the deceleration time settings to ensure they are not too short.

How can I program the inverter to operate multiple motors?

Utilize the multi-motor function by setting up and saving different motor parameters in the inverter's memory. Switch between motor setups as needed through the control interface or remote input signals.

What are the common error codes, and how can they be resolved?

Refer to the inverter's manual for a list of error codes. Common errors include E.OC1 for overcurrent, E.OV for overvoltage, and E.THM for thermal overload. Each error requires specific troubleshooting steps such as checking connections or adjusting parameters.

Can the inverter be connected to a network for remote monitoring?

Yes, the inverter supports network connections through optional communication modules. Once connected, it can be monitored and controlled remotely using compatible software. Ensure proper network settings are configured.