Mitsubishi A700 FR-B3-NH-37K Instruction Manual V2

Mitsubishi A700 FR-B3-NH-37K Inverter manual cover
Pages 149
Year 2009
Language(s)
English en

Mitsubishi A700 FR-B3-NH-37K Inverter Specification

The Mitsubishi A700 FR-B3-NH-37K Inverter is a high-performance drive designed for industrial applications requiring precise motor control and energy efficiency. This inverter delivers a power rating of 37 kW, catering to medium-sized motor systems. It operates on a three-phase 400V power supply, providing robust performance for demanding environments.

The A700 series is renowned for its advanced control algorithms, offering vector control and V/F control for optimal motor performance. This inverter supports a wide frequency range, extending from 0.2 to 400 Hz, allowing for versatile application across various industrial processes. The unit is equipped with a built-in PLC function, enabling users to implement custom control logic without needing external controllers, thus enhancing system integration and reducing costs.

The FR-B3-NH-37K features comprehensive protective functions, including overcurrent, overvoltage, and thermal protection, ensuring reliable operation and safeguarding the motor and inverter from potential damage. It also boasts a high overload capacity, capable of withstanding 150% of its rated current for one minute, which is crucial for applications with fluctuating load demands.

Connectivity options are abundant, with support for various communication protocols such as Modbus and CC-Link, facilitating seamless integration into modern industrial networks. The inverter's design emphasizes user-friendly operation and maintenance, featuring a detachable keypad with an LCD display for easy parameter setting and monitoring.

Energy efficiency is a priority, with the A700 series incorporating energy-saving functions like automatic energy optimization and regenerative braking capabilities, contributing to reduced operational costs and environmental impact. The Mitsubishi A700 FR-B3-NH-37K Inverter thus combines robust performance, flexibility, and efficiency, making it an ideal solution for complex industrial applications.

Mitsubishi A700 FR-B3-NH-37K Inverter F.A.Q.

How do I perform a reset on the Mitsubishi A700 FR-B3-NH-37K inverter?

To reset the inverter to its default settings, power off the unit, wait for a few minutes, and then power it back on. Navigate to the initialization menu and select the factory reset option. Make sure to back up any necessary parameters before performing the reset.

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

If the inverter shows an overcurrent error, first check the motor connections and wiring for any faults. Ensure that the motor is not overloaded and that the parameters set in the inverter match the motor's specifications. If the issue persists, consult the manual or contact technical support.

How can I improve the energy efficiency of the Mitsubishi A700 inverter?

To improve energy efficiency, utilize the inverter's built-in energy-saving functions such as automatic energy optimization and adjustable voltage settings. Regular maintenance and ensuring that the drive is properly matched to the motor requirements can also enhance efficiency.

What maintenance practices should be followed for the A700 inverter?

Regularly inspect the inverter for dust accumulation and clean the cooling fans and heat sinks. Check all electrical connections for tightness and signs of wear. Verify that the ventilation is unobstructed and ensure the inverter is operating within the specified temperature range.

How do I configure the inverter for a specific motor application?

Access the inverter's parameter setup menu to input the motor's specifications such as rated voltage, current, and frequency. Adjust settings for acceleration and deceleration times and any application-specific parameters. Refer to the manual for detailed configuration steps.

Can the A700 inverter be used with different types of motors?

Yes, the Mitsubishi A700 inverter can be used with various motor types including standard induction motors and permanent magnet motors. Ensure the inverter is correctly configured for the specific motor type to achieve optimal performance.

What should I check if the inverter does not start the motor?

If the motor does not start, verify that all control signals and connections are correct. Check the inverter's display for any error messages. Ensure that the start command is properly configured and the motor parameters are set according to the motor specifications.

How can I prevent overheating in the inverter?

To prevent overheating, ensure that the inverter is installed in a well-ventilated area and that its cooling fans are operating efficiently. Regularly clean dust and debris from the inverter and maintain a suitable ambient temperature. Use protective devices to avoid overloading.

What is the procedure for updating the firmware of the A700 inverter?

To update the firmware, download the latest version from Mitsubishi's official website. Connect to the inverter using the recommended communication interface and follow the update procedure as outlined in the documentation. Ensure the process is not interrupted to avoid firmware corruption.

How can I monitor the performance of the Mitsubishi A700 inverter?

The A700 inverter can be monitored using its built-in display or via a connected PC or HMI. Utilize the available communication options to connect to monitoring software for detailed analysis of inverter performance, including voltage, current, and error logs.