Contents

Front cover
Introduction
Precautions for safety
Compliance to European EC Directives
Instruction Manual for Compliance with UL/c-UL Standard
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-J2-10CT to MR-J2-100CT basic configurations
  - 1-3-2 Examples of MR-J2-200CT and MR-J2-350CT 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 terminal block, control circuit terminal block
  - 2-2-1 Main circuit terminal block, control circuit terminal block signal layout
  - 2-2-2 Names and application of main circuit terminal block and control circuit terminal block signals
  - 2-2-3 How to use the control circuit terminal block (MR-J2-10CT to 100CT)
- 2-3 NC and servo drive unit connection
- 2-4 Motor and detector connection
  - 2-4-1 Connection of HC-SF52, HC-SF53, HC-SF102, HC-SF103
  - 2-4-2 Connection of HC-SF152, HC-SF153
  - 2-4-3 Connection of HC-SF202, HC-SF203, HC-SF352, HC-SF353
  - 2-4-4 Connection of HC-RF103, HC-RF153, HC-RF203
  - 2-4-5 Connection of HA-FF Series
  - 2-4-6 Connection of HA-FFC-UE Series
  - 2-4-7 Connection of HC-MF(-UE) Series
  - 2-4-8 Connection of HC-MF-S15 Series
- 2-5 Connection of power supply
  - 2-5-1 Example of connection when controlling the contactor with the MR-J2-CT
  - 2-5-2 Example of connection when using converter unit
- 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 Flexible conduits
  - 4-4-4 Cable wire and assembly
  - 4-4-5 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 protectors
- 4-8 Selection of contactor
  - 4-8-1 Selection from rush current
  - 4-8-2 Selection from input current
- 4-9 Control circuit related
  - 4-9-1 Circuit protector
  - 4-9-2 Relays
  - 4-9-3 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 Motor series characteristics
  - 13-2-2 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-J2-CT Instruction Manual V2

Mitsubishi MR-J2-CT Numerical Control manual cover

Pages 269

Year 2008

Language(s)

of 269

Mitsubishi MR-J2-CT Numerical Control Specification

The Mitsubishi MR-J2-CT Numerical Control is a sophisticated servo system designed to provide high precision and performance in various industrial automation applications. Engineered with advanced technology, it integrates seamlessly with CNC machinery, enhancing operational efficiency and accuracy. The MR-J2-CT features a high-speed servo motor coupled with a digital servo amplifier, enabling rapid response and reduced cycle times. It supports multiple feedback systems, including absolute and incremental encoders, ensuring precise position control and reliability.

This control unit offers a broad range of connectivity options, facilitating integration into existing systems and supporting various communication protocols such as RS-232, RS-422, and RS-485. The MR-J2-CT is equipped with comprehensive programming capabilities, allowing for customized motion profiles and control strategies tailored to specific application requirements. Enhanced safety features, including torque limits and over-speed protection, ensure secure operation and minimize downtime.

The system's compact design allows for easy installation and maintenance, while its robust construction ensures durability in demanding industrial environments. The MR-J2-CT is compatible with a wide range of peripheral devices, expanding its functionality and adaptability across different sectors. Mitsubishi's commitment to quality and innovation is evident in the MR-J2-CT, making it a reliable choice for manufacturers seeking to optimize their production processes through advanced numerical control technology.

Mitsubishi MR-J2-CT Numerical Control F.A.Q.

How do I perform a basic setup for the Mitsubishi MR-J2-CT Numerical Control?

To perform a basic setup, connect the servo amplifier to the power supply, motor, and necessary peripherals. Use the MR Configurator software to configure the parameters, including motor type, encoder settings, and control mode. Follow the manufacturer's guidelines for safety and accuracy.

What should I do if the MR-J2-CT displays an error code during operation?

Refer to the error code list in the user manual to identify the issue. Common fixes include checking connections, ensuring proper parameter settings, and inspecting hardware for damage. Reset the system after addressing the issue.

How can I ensure optimal performance of the MR-J2-CT system?

Regularly update the firmware and software, calibrate the system accurately, and ensure the environment is within the specified temperature and humidity range. Periodic maintenance checks will also help maintain optimal performance.

What maintenance checks are recommended for the MR-J2-CT?

Regularly inspect the cables for wear and tear, clean the unit to prevent dust accumulation, check the cooling system, and verify that all connections are secure. Scheduled maintenance should include testing the emergency stop function and backup of parameters.

Can the MR-J2-CT be integrated with other automation systems?

Yes, the MR-J2-CT can be integrated with other systems using communication interfaces such as RS-232 or RS-422. Ensure that the control protocols are compatible and use the appropriate converters if necessary.

How can I troubleshoot a motor that is not running with the MR-J2-CT?

Check the power supply and ensure that the motor is properly connected to the amplifier. Verify parameter settings, such as motor type and encoder settings. If the problem persists, test the motor separately to identify possible faults.

What are the safety precautions when handling the MR-J2-CT?

Always power off the unit before servicing, use appropriate personal protective equipment, and ensure that emergency stop mechanisms are functional. Follow all safety guidelines specified in the manual to prevent accidents.

How to resolve communication issues between the MR-J2-CT and a PLC?

Ensure that the communication cables are correctly connected and not damaged. Check the baud rate, stop bits, and parity settings to ensure they match on both devices. Use diagnostic tools to test the communication line if issues persist.

What is the procedure for updating the firmware of the MR-J2-CT?

Download the latest firmware from the official Mitsubishi Electric website. Connect your PC to the MR-J2-CT using a compatible interface, and use the MR Configurator to upload the firmware. Follow the on-screen instructions carefully to complete the update.

How can I adjust the servo parameters for the MR-J2-CT for different applications?

Access the MR Configurator software to modify parameters such as speed, torque, and control mode. Test the system with the new settings and make incremental adjustments to optimize performance for specific applications.