Contents

Front cover
Introduction
Precautions for safety
Compliance to European EC Directives
Compliance to Transportation Restrictions for Lithium Batteries
Compliance with Restrictions in China
CONTENTS
Chapter 1 Preface
- 1-1 Inspection at purchase
  - 1-1-1 Package contents
  - 1-1-2 Explanation of types
- 1-2 Explanation of each part
  - 1-2-1 Explanation of each servo drive unit part
  - 1-2-2 Explanation of each servomotor part
- 1-3 Basic configuration
  - 1-3-1 Examples of MR-J2S-200CT4 or less basic configurations
  - 1-3-2 Examples of MR-J2S-350CT4 basic configurations
- 1-4 Combinations of servo drive unit and servomotor capacities
- 1-5 Outline of built-in function
  - 1-5-1 Axis control function
  - 1-5-2 Servo control function
  - 1-5-3 Feed function
  - 1-5-4 Coordinate system setting function
  - 1-5-5 Command method
  - 1-5-6 Operation function
  - 1-5-7 Absolute position detection function
  - 1-5-8 Machine compensation function
  - 1-5-9 Protective functions
  - 1-5-10 Operation auxiliary function
  - 1-5-11 Diagnosis function
Chapter 2 Wiring and Connection
- 2-1 System connection diagram
- 2-2 Servo drive unit main circuit connection part, control circuit connection part
  - 2-2-1 Names and application of main circuit connection part and control circuit connection part signals
- 2-3 NC and servo drive unit connection
- 2-4 Motor and detector connection
  - 2-4-1 Connection of HF-P534JW04HF-P734JW04HF-SP524JW04 to HF-SP2024JW04
  - 2-4-2 Connection of HF-SP3524JW04
- 2-5 Connection of power supply
  - 2-5-1 Example of connection when controlling the contactor with the MR-J2S-CT4
- 2-6 Connection of regenerative resistor
  - 2-6-1 Standard built-in regenerative resistor
  - 2-6-2 External option regenerative resistor
- 2-7 Connection of digital input/output (DIO) signals
  - 2-7-1 Types and functions of digital input/output (DIO) signals
  - 2-7-2 Wiring of digital input/output (DIO) signals
- 2-8 Connection with personal computer
Chapter 3 Installation
- 3-1 Installation of the servo drive unit
  - 3-1-1 Environmental conditions
  - 3-1-2 Installation direction and clearance
  - 3-1-3 Prevention of entering of foreign matter
- 3-2 Installation of servomotor
  - 3-2-1 Environmental conditions
  - 3-2-2 Cautions for mounting load (prevention of impact on shaft)
  - 3-2-3 Installation direction
  - 3-2-4 Tolerable load of axis
  - 3-2-5 Oil and waterproofing measures
  - 3-2-6 Cable stress
- 3-3 Noise measures
Chapter 4 Options and Peripheral Devices
- 4-1 Regenerative option
  - 4-1-1 Combinations with servo drive units
  - 4-1-2 Outline dimension drawing of option regenerative resistor
- 4-2 Battery option (MDS-A-BT, A6BAT)
- 4-3 Relay terminal block
- 4-4 Cables and connectors
  - 4-4-1 Cable option list
  - 4-4-2 Connector outline dimension drawings
  - 4-4-3 Cable wire and assembly
  - 4-4-4 Option cable connection diagram
- 4-5 Setup software
  - 4-5-1 Setup software specifications
  - 4-5-2 System configuration
- 4-6 Selection of wire
- 4-7 Selection of circuit protector
  - 4-7-1 Selection of circuit protector
- 4-8 Selection of contactor
- 4-9 Selection of earth leakage breaker
- 4-10 Control circuit related
  - 4-10-1 Circuit protector
  - 4-10-2 Relays
  - 4-10-3 Surge absorber
Chapter 5 Operation Control Signal
- 5-1 System configuration
  - 5-1-1 Built-in indexing function
  - 5-1-2 Parameters
- 5-2 R register
- 5-3 Explanation of operation commands (NC servo drive unit)
- 5-4 Explanation of operation status signals (servo drive unit NC)
Chapter 6 Setup and Operation
- 6-1 Setup of servo drive unit
  - 6-1-1 Parameter initialization
  - 6-1-2 Transition of LED display after power is turned ON
  - 6-1-3 Servo parameter default settings
  - 6-1-4 Operation parameter group default settings
  - 6-1-5 Setting during emergency stops
- 6-2 Test operation
  - 6-2-1 Test operation
  - 6-2-2 JOG operation
  - 6-2-3 Incremental feed operation
  - 6-2-4 Handle feed operation
- 6-3 Setting the coordinate zero point
  - 6-3-1 Dog-type reference point return
  - 6-3-2 Adjusting the dog-type reference point return
  - 6-3-3 Memory-type reference point return
  - 6-3-4 Mode with no reference point
- 6-4 Positioning operations by the station method
  - 6-4-1 Setting the station
  - 6-4-2 Setting linear axis stations
  - 6-4-3 Automatic operation
  - 6-4-4 Manual operation
- 6-5 Stopper positioning operation
  - 6-5-1 Operation sequence
  - 6-5-2 Setting the parameters
- 6-6 Machine compensation and protection functions
  - 6-6-1 Backlash compensation
  - 6-6-2 Interlock function
  - 6-6-3 Soft limit
  - 6-6-4 Servo OFF
  - 6-6-5 READY OFF
  - 6-6-6 Data protect
- 6-7 Miscellaneous functions
  - 6-7-1 Feedrate override
  - 6-7-2 Position switches
Chapter 7 Absolute Position Detection System
- 7-1 Setting of absolute position detection system
  - 7-1-1 Starting the system
  - 7-1-2 Initialization methods
- 7-2 Setting up the absolute position detection system
  - 7-2-1 Reference point return method
  - 7-2-2 Machine stopper method
  - 7-2-3 Reference point setting method
Chapter 8 Servo Adjustment
- 8-1 Measuring the adjustment data
  - 8-1-1 D/A output
  - 8-1-2 Graph display
- 8-2 Automatic tuning
  - 8-2-1 Model adaptive control
  - 8-2-2 Automatic tuning specifications
  - 8-2-3 Adjusting the automatic tuning
- 8-3 Manual adjustment
  - 8-3-1 Setting the model inertia
  - 8-3-2 Adjusting the gain
- 8-4 Characteristics improvements
  - 8-4-1 Vibration suppression measures
  - 8-4-2 Overshooting measures
- 8-5 Adjusting the acceleration/deceleration operation
  - 8-5-1 Setting the operation speed
  - 8-5-2 Setting the acceleration/deceleration time constant
Chapter 9 Inspections
- 9-1 Inspections
- 9-2 Life parts
Chapter 10 Troubleshooting
- 10-1 Troubleshooting at start up
- 10-2 Displays and countermeasures for various alarms
  - 10-2-1 Drive unit LED display during alarm
  - 10-2-2 Alarm/warning list
- 10-3 Detailed explanations and countermeasures of alarms
  - 10-3-1 Detailed explanations and countermeasures for servo alarms
  - 10-3-2 Detailed explanations and countermeasures for system alarms
  - 10-3-3 Detailed explanations and countermeasures for operation alarms
Chapter 11 Characteristics
- 11-1 Overload protection characteristics
- 11-2 Servo drive unit generation loss
  - 11-2-1 Servo drive unit calorific value
  - 11-2-2 Heat radiation area of fully closed type control panel
- 11-3 Magnetic brake characteristics
  - 11-3-1 Motor with magnetic brakes
  - 11-3-2 Magnetic brake characteristics
  - 11-3-3 Magnetic brake power supply
- 11-4 Dynamic brake characteristics
  - 11-4-1 Deceleration torque
  - 11-4-2 Coasting amount
- 11-5 Vibration class
Chapter 12 Specifications
- 12-1 Servo drive units
  - 12-1-1 List of specifications
  - 12-1-2 Outline dimension drawings
- 12-2 Servomotor
  - 12-2-1 List of specifications
  - 12-2-2 Torque characteristic drawings
  - 12-2-3 Outline dimension drawings
  - 12-2-4 Special axis servomotor
Chapter 13 Selection
- 13-1 Outline
  - 13-1-1 Servomotor
  - 13-1-2 Regeneration methods
- 13-2 Selection of servomotor series
  - 13-2-1 HF-P/HF-SP motor series characteristics
  - 13-2-2 HF-P/HF-SP servomotor precision
- 13-3 Selection of servomotor capacity
  - 13-3-1 Load inertia ratio
  - 13-3-2 Short time characteristics
  - 13-3-3 Continuous characteristics
- 13-4 Selection of regenerative resistor
  - 13-4-1 Calculation of regenerative energy
  - 13-4-2 Calculation of positioning frequency
- 13-5 Example of servo selection
  - 13-5-1 Motor selection calculation
  - 13-5-2 Regenerative resistor selection calculation
  - 13-5-3 Servo selection results
- 13-6 Motor shaft conversion load torque
- 13-7 Expressions for load inertia calculation
Appendix Parameter Lists
Revision History
Global service network
Back cover

Mitsubishi MR-J2S-CT4 Instruction Manual

Mitsubishi MR-J2S-CT4 Numerical Control manual cover

Pages 251

Year 2018

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of 251

Mitsubishi MR-J2S-CT4 Numerical Control Specification

The Mitsubishi MR-J2S-CT4 is a high-performance numerical control servo amplifier designed for precision motion control applications. It integrates advanced technology to offer improved efficiency, reliability, and precision in controlling servo motors. The MR-J2S-CT4 supports a wide input voltage range from 200 to 230V AC, making it adaptable to various industrial power systems. It features a compact design, facilitating easy installation and space-saving in control panels. The system incorporates a high-speed, high-accuracy servo control with a speed frequency response of 550 Hz, ensuring precise motion control.

The MR-J2S-CT4 is equipped with an absolute encoder with a resolution of 131,072 pulses per revolution, providing enhanced positional accuracy and repeatability. It supports multiple control modes, including position, speed, and torque control, allowing for flexible operation tailored to specific application requirements. The amplifier is compatible with a range of communication interfaces, such as RS-232C, RS-422, and RS-485, enabling seamless integration with various control systems.

Designed with user-friendly features, the MR-J2S-CT4 includes a built-in automatic tuning function that simplifies setup and optimizes performance. It also offers advanced diagnostic and monitoring capabilities through its comprehensive alarm and error detection system, ensuring minimal downtime and efficient maintenance. The MR-J2S-CT4 complies with international safety standards, ensuring safe and reliable operation in diverse industrial environments. This servo amplifier is ideal for applications demanding high precision and reliability, such as CNC machinery, robotics, and automated manufacturing systems.

Mitsubishi MR-J2S-CT4 Numerical Control F.A.Q.

How do I connect the Mitsubishi MR-J2S-CT4 to a CNC machine?

To connect the MR-J2S-CT4 to a CNC machine, ensure all wiring is correct as per the user manual. Connect the controller’s I/O interface to the CNC machine's corresponding ports, and verify that all communication protocols are compatible.

What should I do if the MR-J2S-CT4 displays an alarm code?

Consult the alarm code table in the user manual. Each code corresponds to a specific error, for instance, overload or encoder error. Follow the recommended troubleshooting steps to resolve the issue.

How often should maintenance be performed on the MR-J2S-CT4?

Regular maintenance should be performed every six months, including checking for dust accumulation, verifying electrical connections, and ensuring proper ventilation.

What kind of environment is suitable for the MR-J2S-CT4?

The MR-J2S-CT4 should be installed in a clean, dry environment with temperatures between 0°C and 55°C, and humidity levels below 90% (non-condensing).

How can I update the firmware on my MR-J2S-CT4?

Download the latest firmware version from Mitsubishi’s official website, and follow the update instructions provided in the manual. Ensure all connections are secure before starting the update process.

What is the recommended method to calibrate the MR-J2S-CT4?

Use the built-in calibration function via the control software, following the steps outlined in the manual to ensure precise calibration of all axes.

How can I reset the MR-J2S-CT4 to factory settings?

Access the reset option via the setup menu on the control panel. Confirm the reset when prompted, ensuring to back up all important data beforehand.

What should I check if the motor connected to the MR-J2S-CT4 is not running?

Ensure that all power connections are secure and that there are no tripped circuit breakers. Check for any active alarms on the display and resolve them as necessary.

Can the MR-J2S-CT4 be integrated with other automation systems?

Yes, the MR-J2S-CT4 can be integrated with other automation systems provided they support compatible interfaces and communication protocols.

What is the process for replacing a faulty encoder on the MR-J2S-CT4?

First, disconnect the power supply. Remove the faulty encoder following the disassembly instructions in the manual and install the new encoder, ensuring it is properly aligned and connected.