Mitsubishi A800 FR-B3-NH-37K Instruction Manual

Mitsubishi A800 FR-B3-NH-37K Inverter manual cover
Pages 76
Year 2019
Language(s)
English en
Japanese ja

Mitsubishi A800 FR-B3-NH-37K Inverter Specification

The Mitsubishi A800 FR-B3-NH-37K Inverter is a high-performance variable frequency drive designed for industrial applications requiring robust motor control and energy efficiency. This inverter model is engineered to handle demanding environments with a power capacity of 37 kW, making it suitable for heavy-duty machinery and large-scale operations. It operates on a three-phase power supply, supporting a voltage range from 380V to 480V, ensuring compatibility with a wide range of industrial power systems.

Equipped with advanced vector control technology, the A800 FR-B3-NH-37K delivers precise motor speed and torque control, enhancing operational efficiency and productivity. It features a built-in PLC function, allowing for seamless integration into automated systems, and supports network communication through various protocols such as Ethernet/IP, Modbus RTU, and CC-Link, facilitating connectivity and centralized control in complex industrial setups.

The inverter is designed with safety and reliability in mind, incorporating multiple protective features like overcurrent, overvoltage, and thermal protection, which safeguard both the device and connected equipment from damage. Additionally, its user-friendly interface with an intuitive keypad and display allows for easy parameter setting and monitoring, reducing the complexity of installation and maintenance.

Mitsubishi’s A800 series also emphasizes energy-saving capabilities, providing functions like automatic energy-saving operation and regenerative braking, which contribute to reduced operational costs and environmental impact. The compact design of the FR-B3-NH-37K ensures it can be easily integrated into existing systems without requiring significant space, making it an ideal choice for industries looking for reliable and efficient motor control solutions.

Mitsubishi A800 FR-B3-NH-37K Inverter F.A.Q.

How do I perform a factory reset on the Mitsubishi A800 FR-B3-NH-37K Inverter?

To perform a factory reset on the Mitsubishi A800 inverter, navigate to the parameter reset menu, select 'All Parameter Clear' and execute the command. Make sure to back up important settings before proceeding.

What is the procedure for setting up a basic speed control on the inverter?

To set up a basic speed control, configure the frequency settings and analog input signals in the inverter's parameter menu. Adjust the parameters FR-F700 to match your desired speed control profile.

How can I troubleshoot an overcurrent fault on the A800 inverter?

Check for possible causes like motor overload, short circuits, or incorrect wiring. Inspect the motor and inverter connections, and ensure that the motor parameters match those set in the inverter settings.

What maintenance practices are essential for the Mitsubishi A800 inverter?

Regularly inspect the inverter for dust accumulation, ensure adequate ventilation, check connections for tightness, and verify that the cooling fan operates correctly. Schedule periodic professional maintenance to prolong inverter life.

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

Download the latest firmware from the Mitsubishi Electric website, and use the manufacturer's software tool to upload it to the inverter via USB or Ethernet connection. Refer to the manual for detailed instructions.

What should I do if the inverter is not starting after installation?

Ensure that all electrical connections are secure and correct, check the power supply voltage, verify the motor wiring, and confirm that no safety interlocks are preventing startup. Refer to the troubleshooting section of the manual.

How do I set up multiple inverters in a network using the FR-B3-NH-37K model?

Utilize the built-in RS-485 communication port to connect multiple inverters. Configure the communication parameters, including station numbers and baud rate, ensuring that each inverter has a unique address.

What is the recommended environment for installing the Mitsubishi A800 inverter?

Install the inverter in a clean, dry, and well-ventilated environment, away from direct sunlight and sources of vibration. Ensure that ambient temperature conditions do not exceed the specified range in the manual.

How can I configure the inverter for energy-saving operation?

Enable the energy-saving mode through the inverter’s parameter settings. Adjust parameters that control motor efficiency and regenerative braking to optimize power usage. Consult the manual for specific parameters.

What are the indications of a failing Mitsubishi A800 inverter and how to address them?

Indications include unusual noises, overheating, frequent tripping, or error codes. Address these by checking for proper ventilation, inspecting electrical connections, and consulting error code diagnostics in the manual for specific solutions.