Contents

SAFETY INSTRUCTIONS
DISPOSAL OF WASTE
ABOUT THE MANUAL
U.S. CUSTOMARY UNITS
CONTENTS
1 SPECIFICATIONS
- 1.1 Outline
- 1.2 Model designation
- 1.3 Servo amplifier/motor combinations
- 1.4 Servo amplifier standard specifications
  - MR-J5-_A_
  - Functional safety
  - Environment
- 1.5 Function block diagram
- 1.6 Configuration including peripheral equipment
- 1.7 Special specifications
  - Servo amplifiers without the dynamic brake (-ED/-RU)
2 FUNCTION
- 2.1 Function list
- 2.2 Security
3 STRUCTURE
- 3.1 Parts identification
- 3.2 Switch setting and display of the servo amplifier
  - Display sequence
  - Status display
  - Diagnostic mode
  - Alarm mode
  - Parameter mode
  - External I/O signal display
  - Output signal (DO) forced output
  - Test operation mode
4 STARTUP
- 4.1 Turning on servo amplifier for the first time
  - Test operation of the servo motor alone in test operation mode
  - Equipment configuration setting
  - Controller-related setting
  - Operation by controller command
- 4.2 Instructions on startup
- 4.3 Troubleshooting at startup
- 4.4 Duplicate setting
  - Duplication using MR Configurator2
- 4.5 Test operation
  - Execution method
  - Motor driving by test operation
  - Motor-less operation
  - Output signal (DO) forced output
- 4.6 Servo amplifier setting initialization
  - Initialization procedure by MR Mode Change
5 MAINTENANCE, INSPECTION AND PARTS REPLACEMENT
- 5.1 Inspection items
  - Periodic inspection
- 5.2 Parts with a service life
- 5.3 Replacing fan unit
6 COMPLIANCE WITH GLOBAL STANDARDS
- 6.1 Compliance with global standards
- 6.2 Handling of AC servo amplifier batteries for the United Nations Recommendations on the Transport of Dangerous Goods
- 6.3 Symbol for the new EU Battery Directive
- 6.4 Compliance with China Compulsory Certification (CCC)
- 6.5 Compliance with the China RoHS directive
REVISIONS
WARRANTY
TRADEMARKS

Mitsubishi Electric MRJ5A User's Manual

Pages 80

Year 2021

Language(s)

of 80

User's Manual

80 pages

User's Manual

182 pages

Mitsubishi Electric MRJ5A Specification

The Mitsubishi Electric MRJ5A is an advanced servo amplifier designed for high-performance motion control in industrial applications. It features a compact design that allows for easy integration into existing systems, while delivering precise and efficient control over servo motors. The MRJ5A supports a wide range of communication protocols, including Ethernet/IP, PROFINET, and EtherCAT, ensuring seamless connectivity with various industrial networks. This flexibility facilitates its use in diverse automation environments. The servo amplifier boasts a high-resolution encoder support, which enhances the accuracy and responsiveness of motion control tasks, making it suitable for applications requiring fine precision. Additionally, the MRJ5A incorporates advanced tuning functions and algorithms that simplify the setup process and optimize performance, reducing the need for manual adjustments. Safety is a key focus, with features such as Safe Torque Off (STO) integrated to ensure secure operation. The energy-efficient design of the MRJ5A helps reduce operational costs by minimizing power consumption without compromising performance. Its robust build quality and reliable components make it a durable choice for demanding industrial settings. The unit also offers user-friendly software tools for configuration and diagnostics, enabling quick troubleshooting and maintenance. Overall, the Mitsubishi Electric MRJ5A servo amplifier is engineered to deliver superior control, connectivity, and efficiency, making it an ideal solution for modern industrial automation challenges.

Mitsubishi Electric MRJ5A F.A.Q.

How do I initialize the Mitsubishi Electric MRJ5A servo amplifier?

To initialize the MRJ5A servo amplifier, ensure all connections are secure, power on the device, and set the parameters according to the manual using the MR Configurator2 software.

What should I do if the MRJ5A servo amplifier displays an alarm code?

First, refer to the alarm code list in the manual to identify the issue. Then, follow the troubleshooting steps provided to resolve the specific alarm condition.

How can I perform a software update on the MRJ5A servo amplifier?

Download the latest firmware from the Mitsubishi Electric website, connect the servo amplifier to your PC using the appropriate interface, and use MR Configurator2 to update the firmware.

What maintenance procedures are recommended for the MRJ5A servo amplifier?

Regularly check for dust accumulation, ensure all connections are tight, verify that cooling fans are functioning properly, and inspect for any signs of wear or damage.

How can I reduce noise interference in the MRJ5A servo amplifier system?

Ensure proper grounding and shielding of cables, use ferrite cores on signal lines, and maintain adequate separation between power and signal cables.

What is the procedure to reset the MRJ5A servo amplifier to factory settings?

Access the MR Configurator2 software, navigate to the reset option, and select the factory reset function to restore all original settings.

How can I optimize the performance of the MRJ5A servo amplifier?

Fine-tune the gain settings according to the application requirements, perform auto-tuning using MR Configurator2, and regularly update the firmware.

What steps should be taken if the MRJ5A fails to start up?

Check all power connections, ensure the emergency stop is not engaged, verify parameter settings, and inspect the hardware for any visible damage.

How do I connect the MRJ5A to a PLC for communication?

Use compatible communication interfaces such as Ethernet or RS-485, configure the communication parameters in both the PLC and MRJ5A, and establish a connection using MR Configurator2.

What safety precautions should be observed when working with the MRJ5A servo amplifier?

Ensure the unit is powered off before servicing, use insulated tools, follow lockout/tagout procedures, and wear appropriate personal protective equipment.