Mitsubishi A800-E FR-A842-07700-315K Instruction Manual

Mitsubishi A800-E FR-A842-07700-315K Inverter manual cover
Pages 143
Year 2019
Language(s)
English en

Mitsubishi A800-E FR-A842-07700-315K Inverter Specification

The Mitsubishi A800-E FR-A842-07700-315K Inverter is a high-performance device engineered to enhance motor control and energy efficiency in industrial applications. Designed for robust tasks, this inverter supports a power rating of 77 kW, making it suitable for heavy-duty machinery. It operates on a three-phase 380-480V AC power supply, which ensures compatibility with a wide range of industrial power systems.

The inverter incorporates advanced V/F control, vector control, and real sensorless vector control technologies, providing precise motor control and optimal performance. Mitsubishi's innovative auto-tuning capability simplifies installation and setup, ensuring efficient operation with minimal manual intervention. The built-in PLC functionality allows for complex programming and control, enhancing flexibility in diverse applications.

Equipped with a high-speed network interface, the FR-A842-07700-315K supports multiple communication protocols, including Ethernet, CC-Link, and Modbus, facilitating seamless integration into existing automation systems. Its robust design features a durable enclosure with IP20 protection, ensuring reliability in harsh industrial environments.

The inverter also boasts an intuitive user interface, complete with a multi-language LCD display, which simplifies configuration and monitoring. Mitsubishi has integrated comprehensive safety features, such as overcurrent, overvoltage, and thermal protection, safeguarding both the inverter and connected equipment.

Energy efficiency is further enhanced by the inverter's regenerative braking capability, which recycles energy back into the power grid. The compact design of the Mitsubishi A800-E FR-A842-07700-315K allows for easy installation within constrained spaces, making it a versatile solution for various industrial applications, from manufacturing to processing industries.

Mitsubishi A800-E FR-A842-07700-315K Inverter F.A.Q.

How do I perform a factory reset on the Mitsubishi A800-E FR-A842-07700-315K Inverter?

To perform a factory reset, navigate to parameter 'Pr. 79' and set it to '1'. Then, press the 'SET' button. This will reset all parameters to default settings.

What is the recommended maintenance schedule for the Mitsubishi A800-E Inverter?

Perform a visual inspection monthly, clean cooling fans and heat sinks every 6 months, and check electrical connections annually. Replace components as needed based on wear and environment.

How can I troubleshoot an overcurrent fault on the inverter?

Check for short circuits in the motor and cables, ensure the load is not exceeding the inverter's capacity, and verify the motor parameters are correctly set in the inverter.

What steps should be taken if the inverter is not powering on?

Ensure the power supply is connected and providing the correct voltage. Check the main circuit breaker and any fuses for faults. Inspect the inverter for any visible damage or loose connections.

How do I connect the Mitsubishi A800-E Inverter to a PLC system?

Use the built-in RS-485 communication interface or an optional communication module for other protocols like Ethernet/IP. Configure the communication parameters in both the inverter and the PLC.

What are the steps for updating the firmware on the Mitsubishi A800-E Inverter?

Download the latest firmware from Mitsubishi's website. Connect the inverter to a PC using the USB interface, and use the FR Configurator software to update the firmware.

How do I adjust the acceleration and deceleration times on the inverter?

Modify parameters 'Pr. 7' (acceleration time) and 'Pr. 8' (deceleration time) to set the desired time in seconds for the motor to ramp up and down.

What could be causing excessive noise from the inverter during operation?

Check for loose components or mounting screws. Ensure the inverter is properly grounded. Verify that the carrier frequency is set according to the motor's and application's requirements.

How can I enable the automatic restart function on the Mitsubishi A800-E Inverter?

Set parameter 'Pr. 57' to the desired number of restart attempts after a fault, and adjust 'Pr. 58' for the delay time before each restart attempt.

What is the procedure for connecting an external braking resistor to the inverter?

Connect the braking resistor to the inverter's dedicated terminals (P/+ and PR). Ensure the resistor's specifications match the inverter's requirements and configure relevant parameters as needed.