Contents

PARALLEL OPERATION FUNCTION MANUAL
CONTENTS
1 INTRODUCTION
- 1.1 FR-A802-P overview
2 PARALLEL OPERATION FUNCTION
- 2.1 Parallel operation selection
- 2.2 Parallel operation communication check time (Pr.652)
- 2.3 Parallel operation ready (Y227) signal
- 2.4 Vector control of multi-wound motor
- 2.5 Setting procedure for V/F control, Advanced magnetic flux vector control, and Real sensorless vector control
- 2.6 Emergency drive
3 SUPPLEMENTARY EXPLANATION TO THE FR-A800 INSTRUCTION MANUAL (DETAILED)
- 3.1 Torque current command limit (torque limit)
- 3.2 Torque current command limit (torque command)
4 PLUG-IN OPTIONS
- 4.1 Motor thermistor interface (FR-A8AZ) supported
- 4.2 PPO TYPE SUPPORT SPECIFICATION
5 PARAMETER
- 5.1 Parameter list
- 5.2 Input signal list
- 5.3 Output signal list
- 5.4 List of monitor items
6 PROTECTIVE FUNCTIONS
- 6.1 Causes and corrective actions
7 SPECIFICATIONS
- 7.1 Common specifications
8 APPENDIX
- 8.1 Differences in the functions from the standard inverter
- 8.2 Compatible options
REVISIONS

Mitsubishi A800 FR-A842-09620-400K Function Manual

Mitsubishi A800 FR-A842-09620-400K Inverter manual cover

Pages 56

Year 2022

Language(s)

of 56

Mitsubishi A800 FR-A842-09620-400K Inverter

Function Manual

56 pages

Instruction Manual

124 pages

Mitsubishi A800 FR-A842-09620-400K Inverter Specification

The Mitsubishi A800 FR-A842-09620-400K Inverter is a high-performance frequency inverter designed for industrial applications requiring precise motor control and energy efficiency. This inverter is part of the FR-A800 series, known for its advanced features and robust design. Operating at a power capacity of 400 kW, the inverter supports three-phase input voltages ranging from 380 to 480 V, making it suitable for various heavy-duty applications. The unit incorporates Mitsubishi's advanced vector control technology, offering superior speed and torque control for both induction and permanent magnet motors.

The FR-A842-09620-400K is equipped with a built-in PLC function, allowing for seamless integration into automation systems. It supports various communication protocols, including Ethernet, Modbus, and CC-Link, enhancing its connectivity and compatibility with existing industrial networks. The inverter features an intuitive user interface with a multi-language LCD screen, simplifying operation and monitoring. Advanced safety features such as emergency stop and overcurrent protection are integrated to ensure operational safety and compliance with international standards.

Energy efficiency is a key focus, with the inverter designed to minimize energy consumption through regenerative braking and automatic energy-saving functions. The inverter's compact design facilitates easy installation and maintenance, while its robust construction ensures reliable performance in harsh environments. The Mitsubishi A800 FR-A842-09620-400K Inverter is an ideal solution for industries seeking to optimize motor performance and reduce operational costs through innovative and efficient motor control technology.

Mitsubishi A800 FR-A842-09620-400K Inverter F.A.Q.

How do I set up the Mitsubishi A800 FR-A842-09620-400K inverter for the first time?

To set up the inverter, first ensure all connections are secure. Power on the inverter and access the parameter settings. Configure the basic parameters like motor type, capacity, and desired operation modes. Refer to the manual for detailed step-by-step instructions.

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

Check for any short circuits or ground faults in the wiring. Verify that the motor is not jammed and that the load is within the motor's and inverter's capacity. Adjust the acceleration and deceleration times if necessary.

How can I perform routine maintenance on the A800 inverter?

Routinely inspect the inverter for dust accumulation and clean it using a dry cloth or air blower. Check for loose connections and tighten them. Ensure the cooling fan is operational and the ventilation is not obstructed.

What are the steps to troubleshoot a communication error on the inverter?

Verify all communication cables and connections. Check the parameter settings for correct communication protocol and addresses. Use diagnostic tools to test the communication line if needed.

How do I reset the inverter to factory defaults?

To reset the inverter, access the parameter menu and navigate to the reset option. Confirm the reset action, which will revert all settings to factory defaults. Ensure you have backed up any important configurations.

What should I check if the inverter is not powering on?

Ensure that the power supply is connected and functioning. Check for blown fuses or tripped circuit breakers. Inspect the wiring for any visible damage or disconnections.

How do I update the firmware on the Mitsubishi A800 inverter?

Download the latest firmware from the manufacturer's website. Use the manufacturer's recommended software to upload the firmware to the inverter via the communication port. Follow the on-screen instructions to complete the update.

What is the procedure to change the motor control mode from V/F to vector control?

Access the inverter's parameter settings. Locate the control mode parameter and change it from V/F to vector control. Save the settings and restart the inverter for changes to take effect.

How can I extend the lifespan of my inverter?

Regular maintenance is key. Keep the inverter clean and ensure adequate ventilation. Avoid running the inverter at maximum capacity continuously and use surge protectors to guard against voltage spikes.

What should I do if the inverter's cooling fan is not working?

First, inspect the fan for any obstructions. Check the power supply to the fan. If the fan is faulty, it may need to be replaced. Consult the inverter's manual for replacement procedures and compatible fan models.