Contents

Safety Instructions
DISPOSAL OF WASTE
STO function of the servo amplifier
Compliance with global standards
About the manual
Cables used for wiring
CONTENTS
1. FUNCTIONS AND CONFIGURATION
- 1.1 Summary
- 1.2 Function block diagram
- 1.3 Standard specifications
- 1.4 Combinations of servo amplifiers and servo motors
- 1.5 Combinations of converter units, drive units and servo motors
- 1.6 Function list
- 1.7 Model designation
2. SIGNALS AND WIRING
- 2.1 Input power supply circuit
- 2.2 I/O signal connection example
  - 2.2.1 For sink I/O interface
  - 2.2.2 For source I/O interface
- 2.3 Connectors and pin assignment
- 2.4 Signal (device) explanations
  - 2.4.1 Input device
  - 2.4.2 Output device
  - 2.4.3 Input signal
  - 2.4.4 Output signal
  - 2.4.5 Power supply
- 2.5 Interfaces
  - 2.5.1 Internal connection diagram
  - 2.5.2 Detailed explanation of interfaces
  - 2.5.3 Source I/O interfaces
3. PARAMETERS
- 3.1 Parameter list
  - 3.1.1 Basic setting parameters ([Pr. PA_ _ ])
  - 3.1.2 Gain/filter setting parameters ([Pr. PB_ _ ])
  - 3.1.3 Extension setting parameters ([Pr. PC_ _ ])
  - 3.1.4 I/O setting parameters ([Pr. PD_ _ ])
  - 3.1.5 Extension setting 2 parameters ([Pr. PE_ _ ])
  - 3.1.6 Extension setting 3 parameters ([Pr. PF_ _ ])
  - 3.1.7 Linear servo motor/DD motor setting parameters ([Pr. PL_ _ ])
  - 3.1.8 Pressure control parameters ([Pr. PT_ _ ])
- 3.2 Detailed list of parameters
  - 3.2.1 Basic setting parameters ([Pr. PA_ _ ])
  - 3.2.2 Gain/filter setting parameters ([Pr. PB_ _ ])
  - 3.2.3 Extension setting parameters ([Pr. PC_ _ ])
  - 3.2.4 I/O setting parameters ([Pr. PD_ _ ])
  - 3.2.5 Extension setting 2 parameters ([Pr. PE_ _ ])
  - 3.2.6 Extension setting 3 parameters ([Pr. PF_ _ ])
  - 3.2.7 Linear servo motor/DD motor setting parameters ([Pr. PL_ _ ])
  - 3.2.8 Pressure control parameters ([Pr. PT_ _ ])
4. PRESSURE LOOP GAIN ADJUSTMENT
- 4.1 Summary
- 4.2 Pressure control adjustment flowchart
- 4.3 Setting of pressure control system
- 4.4 Setting of pressure feedback
- 4.5 Adjustment of pressure loop gain
- 4.6 Checking of adjustment result
5. TROUBLESHOOTING
- 5.1 Explanations of the lists
- 5.2 Alarm list
- 5.3 Warning list
- 5.4 Remedies for alarms
- 5.5 Remedies for warnings
6. OPTIONS AND PERIPHERAL EQUIPMENT
- 6.1 MR Configurator2
  - 6.1.1 Specifications
APPENDIX
- App. 1 Optional data monitor function
REVISIONS
Country/Region
Warranty

Mitsubishi MR-J4-B-LL Instruction Manual

Mitsubishi MR-J4-B-LL Servo Amplifier manual cover

Pages 86

Year 2016

Language(s)

of 86

Mitsubishi MR-J4-B-LL Servo Amplifier Specification

The Mitsubishi MR-J4-B-LL Servo Amplifier is a sophisticated device designed to deliver high precision and enhanced performance in motion control applications. This amplifier is part of the MR-J4 series, which is known for its advanced features and robust reliability. It is engineered to support a wide range of industrial applications, offering seamless integration with Mitsubishi's automation systems. The MR-J4-B-LL model is equipped with a built-in absolute position encoder, providing precise feedback and ensuring accurate positioning. It operates with a high-speed servo network, enabling rapid communication and reduced cycle times in automated processes.

The amplifier features advanced vibration suppression control II, which minimizes machine resonance and enhances system stability. This feature is crucial for maintaining high-performance levels, even in demanding environments. Additionally, it supports real-time auto-tuning, allowing for quick adjustments to changing load conditions, which simplifies setup and maintenance.

Safety is a key aspect of the MR-J4-B-LL, as it includes a built-in safety relay and complies with international safety standards, ensuring secure operation in industrial settings. The amplifier supports a wide power range, making it versatile for various motor types and applications. It also offers energy-saving functions, optimizing power consumption without compromising performance.

The compact design of the MR-J4-B-LL facilitates easy installation, and its compatibility with Mitsubishi's servo motors and controllers ensures a seamless integration into existing systems. The amplifier's advanced diagnostic capabilities aid in preventive maintenance, reducing downtime and increasing productivity. Overall, the Mitsubishi MR-J4-B-LL Servo Amplifier is a high-performance solution that combines precision, reliability, and efficiency, making it ideal for modern manufacturing environments.

Mitsubishi MR-J4-B-LL Servo Amplifier F.A.Q.

How do I properly connect the Mitsubishi MR-J4-B-LL Servo Amplifier to the power supply?

Ensure the power supply voltage matches the specifications of the MR-J4-B-LL. Connect the L1, L2, and L3 terminals to the power supply, and ensure proper grounding to avoid electrical noise interference.

What steps should I follow to initialize the Mitsubishi MR-J4-B-LL Servo Amplifier?

After powering on, use the setup software to connect the amplifier to a PC. Follow the on-screen prompts to configure parameters such as motor type and control mode. Perform a test run to verify settings.

How can I troubleshoot an overcurrent alarm on the Mitsubishi MR-J4-B-LL?

Check the motor connections and ensure there are no shorts. Verify the load is within the amplifier's rated capacity. If the issue persists, inspect for mechanical obstructions and test with a known good motor.

What maintenance is required for the Mitsubishi MR-J4-B-LL Servo Amplifier?

Regularly inspect all electrical connections for signs of wear or looseness. Clean the unit to prevent dust build-up, and check for firmware updates to ensure optimal performance.

Can I use the Mitsubishi MR-J4-B-LL with different types of motors?

Yes, the MR-J4-B-LL is compatible with various motor types, including rotary and linear motors. Ensure the motor parameters are correctly set in the amplifier's configuration.

What should I do if the Mitsubishi MR-J4-B-LL amplifier is not responding to commands?

Verify all communication connections and ensure the control signals are correctly configured. Restart the system and check for any error codes displayed on the amplifier.

How do I update the firmware on the Mitsubishi MR-J4-B-LL Servo Amplifier?

Download the latest firmware from Mitsubishi's official website. Use the setup software to connect to the amplifier and follow the update instructions provided in the firmware package.

How can I optimize the performance of the Mitsubishi MR-J4-B-LL Servo Amplifier?

Tune the servo parameters such as gain and filter settings through the setup software. Monitor the system's performance and make adjustments as necessary to achieve desired response characteristics.

What precautions should I take when installing the Mitsubishi MR-J4-B-LL Servo Amplifier?

Ensure adequate ventilation to prevent overheating. Avoid installing in areas with high humidity or dust. Follow the installation manual for mounting instructions and torque specifications.

How do I reset the Mitsubishi MR-J4-B-LL Servo Amplifier to factory settings?

Access the amplifier's menu via the setup software or the built-in display. Navigate to the reset options and select the factory reset function. Confirm the action and restart the amplifier.