Mitsubishi Electric MRJ3ACN, MRJ4ACN15K Installation Guide

Mitsubishi Electric MRJ3ACN, MRJ4ACN15K manual cover

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Year 2017

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Mitsubishi Electric MRJ3ACN, MRJ4ACN15K Specification

The Mitsubishi Electric MRJ3ACN and MRJ4ACN15K are high-performance servo amplifiers designed for precision control in industrial applications. The MRJ3ACN belongs to the MELSERVO-J3 series, offering advanced features for enhanced productivity and efficiency. It supports a wide range of motors, providing excellent flexibility in application deployment. The MRJ3ACN is equipped with real-time auto-tuning, vibration suppression control, and a high-speed optical communication interface, ensuring superior control accuracy and responsiveness. It also incorporates safety functions such as safe torque off, adhering to international safety standards.

On the other hand, the MRJ4ACN15K from the MELSERVO-J4 series represents a step forward in servo technology, focusing on even greater precision and energy efficiency. This model is designed for seamless integration with Mitsubishi's automation systems, supporting CC-Link IE Field and Ethernet-based networks for streamlined communication and control. The MRJ4ACN15K features a powerful and compact design with improved heat dissipation, allowing for high-density installation in control panels. Its advanced tuning functions include machine resonance suppression and adaptive filter, which enhance performance in complex mechanical systems.

Both amplifiers are designed to support Mitsubishi's diverse range of servo motors, ensuring compatibility and optimal performance across various applications, from robotics to CNC machinery. They provide comprehensive diagnostic and monitoring capabilities, allowing for ease of maintenance and reduced downtimes. The MRJ3ACN and MRJ4ACN15K stand out for their reliability and advanced control features, making them ideal choices for manufacturers seeking to enhance automation precision and efficiency. Their robust design and integration capabilities underscore Mitsubishi Electric's commitment to delivering cutting-edge solutions for industrial automation challenges.

Mitsubishi Electric MRJ3ACN, MRJ4ACN15K F.A.Q.

How do I perform a factory reset on the Mitsubishi Electric MRJ3ACN servo amplifier?

To perform a factory reset on the MRJ3ACN, access the parameter settings via the control panel. Navigate to the 'Initialize' option and select 'Factory Reset.' Confirm the action and wait for the process to complete. Be sure to back up any necessary data before proceeding.

What should I check if the MRJ4ACN15K servo motor is not starting?

First, verify that the power supply is connected and within the specified range. Check for any error codes on the display panel, and refer to the manual for troubleshooting steps. Ensure that all connections are secure and that the emergency stop is not engaged.

How can I update the firmware on my Mitsubishi Electric MRJ3ACN servo amplifier?

Download the latest firmware from the Mitsubishi Electric website. Connect your PC to the MRJ3ACN via the appropriate interface. Use the provided software tool to upload the firmware to the amplifier. Follow the on-screen instructions to complete the update.

What regular maintenance should be performed on the MRJ4ACN15K?

Regular maintenance for the MRJ4ACN15K includes checking for dust and debris in the cooling vents, verifying all electrical connections, and inspecting the motor and cables for wear and tear. Additionally, ensure that the servo parameters are correctly configured and perform a test run to check for any unusual noises or vibrations.

How can I reduce noise in the operation of the MRJ3ACN servo motor?

To reduce noise, ensure that the servo motor is firmly mounted to prevent vibrations. Check the alignment of the motor and the load. Additionally, verify that the servo parameters are set correctly and that the motor is not overloaded. Using vibration-dampening mounts can also help in reducing noise.

What are the steps to configure a new motion profile on the MRJ4ACN15K?

To configure a new motion profile, access the setup menu through the control interface. Input the desired motion parameters, such as speed, acceleration, and deceleration values. Save these settings and perform a test run to ensure that the profile meets the application requirements. Adjust as necessary for optimal performance.

How do I troubleshoot an overcurrent alarm on the MRJ3ACN?

An overcurrent alarm may be caused by a short circuit or an excessive load. First, check the wiring and connections for any faults. Ensure that the load does not exceed the rated capacity of the servo drive. If the issue persists, consult the manual for further troubleshooting steps or contact Mitsubishi Electric support.

What is the procedure for aligning the MRJ4ACN15K servo motor with the load?

Begin by securely mounting the motor and load. Use alignment tools or manual methods to ensure that the motor shaft and load shaft are in line. Adjust the coupling as needed to minimize misalignment. Once aligned, tighten all fasteners and perform a test run to check for any vibrations or misalignment issues.

Can I use third-party software to control the MRJ3ACN servo drive?

While Mitsubishi Electric recommends using their proprietary software for optimal compatibility, some third-party software may be used if it supports the communication protocols used by the MRJ3ACN. Ensure that the third-party software is properly configured and compatible with the servo drive's specifications.

How do I interpret the error codes on the MRJ4ACN15K display?

Refer to the MRJ4ACN15K user manual, which contains a comprehensive list of error codes and their meanings. Each code corresponds to a specific issue, such as a communication error or a parameter fault. Follow the troubleshooting steps provided in the manual for each error code.