Mitsubishi MR-JE MR-JE-300 Instruction Manual

Mitsubishi MR-JE MR-JE-300 Servo Amplifier manual cover

Pages 2

Year 2021

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Mitsubishi MR-JE MR-JE-300 Servo Amplifier Specification

The Mitsubishi MR-JE-300 Servo Amplifier is a high-performance, compact device designed to enhance precision and efficiency in industrial automation applications. With a power output of 3 kW, it is part of Mitsubishi's MR-JE Series, which is known for its advanced features and user-friendly operation. This servo amplifier supports a wide range of motors, making it versatile for various automation needs.

The MR-JE-300 features a built-in positioning function that allows for complex motion control without the need for additional controllers, which simplifies system architecture and reduces costs. It offers a high-speed response frequency of 2.0 kHz, ensuring rapid and accurate performance in dynamic applications. The amplifier is equipped with Mitsubishi's advanced Real-time Auto-Tuning function, which automatically adjusts parameters during operation to maintain optimal performance and reduce setup times.

Connectivity is facilitated through a variety of options, including RS-485 and USB interfaces, allowing for easy integration into existing systems and seamless communication with other devices. The MR-JE-300 supports both incremental and absolute encoders, providing flexibility in feedback options.

Safety is prioritized with features such as Safe Torque Off (STO), which prevents unexpected motor operation, enhancing protection for both equipment and operators. The amplifier is designed to operate efficiently under a wide temperature range, ensuring reliability in diverse environmental conditions.

Overall, the Mitsubishi MR-JE-300 Servo Amplifier stands out for its combination of precision, flexibility, and ease of use, making it an ideal choice for applications requiring robust and efficient motion control solutions. Its compact design and integrated functionalities support a streamlined installation process, contributing to reduced downtime and increased productivity in industrial settings.

Mitsubishi MR-JE MR-JE-300 Servo Amplifier F.A.Q.

How do I perform a factory reset on the Mitsubishi MR-JE-300 Servo Amplifier?

To perform a factory reset on the MR-JE-300, turn off the power, then turn it back on while holding the MODE and STOP buttons simultaneously for about 3 seconds until the display shows "FRT". Release the buttons to reset the device.

What is the correct process for wiring the MR-JE-300 Servo Amplifier?

Ensure the power is off before wiring. Connect the power supply to the L1, L2, and L3 terminals, and the motor to the U, V, and W terminals. Follow the wiring diagram in the manual for signal and control connections. Double-check all connections for accuracy.

How can I troubleshoot an overcurrent alarm on the MR-JE-300?

First, check for short circuits or grounding issues in the motor and cables. Verify the motor rating and parameters are set correctly in the amplifier. Ensure that the load is not excessively high. Reset the alarm and monitor the system to ensure the issue is resolved.

What maintenance is required for the MR-JE-300 Servo Amplifier?

Regularly inspect and clean the unit, ensuring proper ventilation and removing dust from heat sinks and vents. Check all connections for tightness and signs of wear. Verify firmware versions and apply updates as necessary to maintain performance and security.

How do I update the firmware on the MR-JE-300 Servo Amplifier?

Download the latest firmware from the Mitsubishi Electric website. Connect the servo amplifier to a PC using the appropriate communication cable. Use the MR Configurator2 software to select the firmware file and follow the on-screen instructions to complete the update.

What should I do if the MR-JE-300 is not powering on?

Check the power supply for proper voltage and secure connections. Inspect the fuses and replace if necessary. Ensure that the emergency stop circuit is not active and that all safety interlocks are satisfied. If the problem persists, consult a qualified technician.

How can I optimize the MR-JE-300 for better performance in my application?

Analyze your system requirements and adjust the amplifier settings such as gain, speed, and torque limits. Utilize auto-tuning functions if available. Monitor the system's response and refine the parameters to achieve the desired performance.

Can the MR-JE-300 be integrated with a PLC for automation control?

Yes, the MR-JE-300 can be integrated with a PLC via I/O signals or communication protocols such as Modbus or CC-Link. Configure the amplifier's parameters to match the PLC's control logic and ensure proper communication setup.

What are the common causes of vibration in the MR-JE-300 system?

Common causes include misalignment, imbalance, or mechanical looseness in the motor or load. Check for resonance issues and verify that the system is properly tuned. Inspect mechanical components for wear and ensure that all fasteners are tight.

How can I verify the parameter settings on the MR-JE-300 Servo Amplifier?

Access the parameter settings via the front panel display or by using the MR Configurator2 software. Navigate through the menu to view and verify each parameter. Compare against the desired settings for your application and adjust as necessary.