Contents

CAUTION
Contents
1. Installation and Operation
- 1-1 General installation and operation
- 1-2 Precautions when installing the unit
- 1-3 Inspection at delivery
- 1-4 Instllation
- 1-5 Making start up easiser
2.Outline of Wiring and Operation
- 2-1 Connection of the power supply and servo motor
  - 2-1.1 Connection systems
  - 2-1.2 Servo moter connection precautions
  - 2-1.3 Servo moter terminal detailes
  - 2-1.4 Wiring the servo amplifier terminal block
- 2-2 Power supply
  - 2-2.1 Power and main control circuit wiring
  - 2-2.2 Emergency stop circuit
  - 2-2.3 Alarm occurrence timing chart
  - 2-2.4 Electromagnetic brake operation
- 2-3 Servo amprifier display operation
3. Start Up and Operation of Position Servo
- 3-1 Wiring
- 3-2 Checking wiring
- 3-3 Switching power on and setting parameters
- 3-4 Operation
- 3-5 The display and setting functions
  - 3-5.1 Display flow chart
  - 3-5.2 Status display
  - 3-5.3 Diagnosis mode
  - 3-5.4 Alarm mode
  - 3-5.5 Parameters
- 3-6 Wiring
  - 3-6.1 Standard connection diagram
  - 3-6.2 Common line diagram for position servo
  - 3-6.3 Interface power supply
- 3-7 Explanation of signals
4. Start Up and Operation of Speed Servo
- 4-1 Wiring
- 4-2 Checking wiring
- 4-3 Switching power on and setting parameters
- 4-4 Operation
- 4-5 Display and setting function
  - 4-5.1 Display fiow chart
  - 4-5.2 Status display
  - 4-5.3 Diagnosis mode
  - 4-5.4 Alarm mode
  - 4-5.5 Parameters
- 4-6 Wiring
  - 4-6.1 Standard connection diagram
  - 4-6.2 Common line diagram for speed servo
  - 4-6.3 Interface power supply
- 4-7 Explanation of signals

Mitsubishi Electric MELSERVOJ Instruction Manual

Mitsubishi Electric MELSERVOJ manual cover

Pages 83

Year 1994

Language(s)

of 83

Mitsubishi Electric MELSERVOJ Specification

The Mitsubishi Electric MELSERVO-J is a sophisticated and versatile servo system designed to optimize performance in industrial automation applications. It features advanced control algorithms, offering high-speed, high-precision motion control suitable for a wide range of machinery. The servo amplifier is engineered to deliver superior responsiveness and stability, incorporating a cutting-edge auto-tuning function that simplifies setup and enhances operational efficiency.

Key to its performance is the integration of a high-resolution absolute position encoder, providing precise positioning and smooth operation even at low speeds. The MELSERVO-J supports multiple communication protocols, including SSCNET III/H, enabling seamless integration into existing networks and ensuring high-speed, real-time data exchange.

The system's compact design is tailored for easy installation and space-saving within control panels, making it ideal for applications with limited space. It offers a wide power range to accommodate various load requirements, ensuring flexibility across different applications. Safety features are embedded, including safe torque off (STO) and other protective functions, to meet international safety standards and ensure reliable operation.

The MELSERVO-J is equipped with a robust software suite that allows for comprehensive configuration, monitoring, and diagnostics, enhancing ease of use and maintenance. Its interoperability with other Mitsubishi Electric automation products ensures a cohesive and integrated solution for complex automation challenges. Overall, the Mitsubishi Electric MELSERVO-J is a high-performance, reliable, and user-friendly servo system that delivers precise control and efficiency in diverse industrial settings.

Mitsubishi Electric MELSERVOJ F.A.Q.

How do I initialize the Mitsubishi Electric MELSERVO-J?

To initialize the MELSERVO-J, connect it to the power supply, set the parameters using the MR Configurator2 software, and perform an initial homing operation to calibrate the servo motor.

What should I do if the servo motor does not start?

Check the power connections, ensure that the emergency stop circuit is closed, verify parameter settings, and look for error codes on the display to diagnose the issue.

How can I improve the performance of my MELSERVO-J system?

Optimize the servo parameters such as gain adjustments, check the mechanical alignment, reduce load inertia, and ensure that the power supply is stable and adequate.

What maintenance is required for the MELSERVO-J?

Regularly inspect cables and connections for wear, clean the unit to remove dust and debris, check for unusual noises or vibrations, and ensure firmware is up to date.

How do I resolve an overcurrent error on the MELSERVO-J?

Ensure that the load is within the motor's rated limits, check for short circuits in the wiring, and verify that the servo parameters are correctly set for the application.

How can I update the firmware of the MELSERVO-J?

Use the MR Configurator2 software to connect to the servo drive, download the latest firmware from Mitsubishi Electric's official website, and follow the update instructions provided in the software.

What is the procedure for setting up a network communication with MELSERVO-J?

Connect the servo drive to the network, configure the IP settings using MR Configurator2, and set up the communication protocol according to your network configuration, such as CC-Link or Ethernet/IP.

How do I perform a factory reset on the MELSERVO-J?

Access the parameter settings via MR Configurator2, and select the option to reset to factory defaults. Confirm the reset to restore original settings.

What is the method for tuning the servo gain on the MELSERVO-J?

Use the auto-tuning feature in MR Configurator2, or manually adjust the proportional, integral, and derivative gains while monitoring the system response to achieve optimal performance.

How can I troubleshoot communication errors with the MELSERVO-J?

Verify network connections, ensure correct IP and subnet settings, check for firmware compatibility, and use diagnostic tools within the MR Configurator2 to identify and resolve communication issues.