Mitsubishi A800-GN FR-A820-04750-90K-GN Instruction Manual

Mitsubishi A800-GN FR-A820-04750-90K-GN Inverter manual cover
Pages 152
Year 2022
Language(s)
English en
Japanese ja

Mitsubishi A800-GN FR-A820-04750-90K-GN Inverter Specification

The Mitsubishi A800-GN FR-A820-04750-90K-GN Inverter is a high-performance variable frequency drive designed for industrial applications requiring precise motor control and energy efficiency. It supports a power rating of up to 90 kW, making it suitable for large-scale operations. The inverter operates on a three-phase 380-480V AC power supply, ensuring compatibility with standard industrial power systems. It incorporates advanced vector control technology to achieve superior speed and torque performance, providing smooth operation across a wide range of motor speeds.

The A800-GN series is equipped with an integrated PLC, allowing for enhanced programmability and customization to meet specific application needs. It features a user-friendly interface with an LCD display for easy configuration and monitoring of operating parameters. The inverter supports multiple communication protocols, including Modbus RTU, Ethernet, and Profibus, ensuring seamless integration into existing industrial networks.

Safety and reliability are prioritized with features such as built-in EMC filters, overload protection, and fault diagnostics. The inverter's design includes robust cooling and thermal management systems to ensure optimal operation in demanding environments. It also supports regenerative braking, which enhances energy efficiency by recovering and reusing energy during deceleration.

The Mitsubishi A800-GN FR-A820-04750-90K-GN Inverter is engineered to deliver high reliability and longevity, making it a cost-effective solution for controlling and optimizing motor-driven systems in various industrial sectors. Its compact design and advanced functionalities make it an ideal choice for applications requiring precise motor control, energy savings, and integration into modern automation systems.

Mitsubishi A800-GN FR-A820-04750-90K-GN Inverter F.A.Q.

What is the recommended procedure for initial installation of the Mitsubishi A800-GN FR-A820-04750-90K-GN inverter?

Ensure that the power supply is turned off before installation. Mount the inverter vertically on a flat, vibration-free surface. Use the appropriate mounting screws and follow the wiring diagram in the manual to connect the power cables and control wires.

How can I perform a factory reset on the Mitsubishi A800-GN inverter?

To perform a factory reset, navigate to the parameter reset option in the inverter’s menu. Select the reset function and confirm your choice. This will restore all settings to factory defaults. Refer to the user manual for specific navigation steps.

What should I do if the inverter displays an overcurrent error?

Check for any short circuits or ground faults in the motor or cables. Ensure that the motor is not exceeding its rated load. You may also need to adjust the inverter's current settings to match the motor specifications.

How do I connect external devices to the Mitsubishi A800-GN inverter for remote control?

Use the digital input terminals on the inverter to connect external control devices. Configure the inputs via the parameter settings to define their function, such as start, stop, or speed control.

What maintenance practices should be followed for optimal performance of the Mitsubishi A800-GN inverter?

Regularly inspect the inverter for dust buildup and clean it using compressed air. Check for loose connections and tighten them if necessary. Ensure proper ventilation and monitor the inverter's temperature and operational parameters.

How can I update the firmware of the Mitsubishi A800-GN inverter?

Download the latest firmware from the Mitsubishi Electric website. Use a compatible USB device or connection cable to transfer the firmware to the inverter, following the instructions in the firmware update guide.

What are the steps to troubleshoot a communication error between the inverter and PLC?

Check the communication cables and connections for faults. Verify that the communication parameters on both the inverter and PLC match. Refer to the communication setup section in the manuals for both devices.

Can the inverter be used with a single-phase power supply?

The Mitsubishi A800-GN inverter is designed for three-phase power supplies. Using a single-phase supply may require additional configuration or equipment and could result in reduced performance.

How do I set the inverter to operate in vector control mode?

Access the parameter settings menu on the inverter. Locate the control mode parameter and set it to vector control. Ensure that all related parameters, such as motor data and encoder settings, are configured correctly.

What precautions should be taken when handling the inverter during maintenance?

Always switch off the power supply and wait for the inverter to discharge completely before handling. Use insulated tools and wear appropriate PPE to prevent electric shock. Follow lockout/tagout procedures to ensure safety.