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 Electric Meldas MR J2S CT4 Series Instruction Manual

Mitsubishi Electric Meldas MR J2S CT4 Series manual cover

Pages 251

Year 2018

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of 251

Mitsubishi Electric Meldas MR J2S CT4 Series Specification

The Mitsubishi Electric Meldas MR J2S CT4 Series is a high-performance servo drive system designed for precise motion control applications. It features advanced digital signal processing technology to ensure high-speed and accurate control, making it ideal for applications requiring rapid and precise positioning. This series supports both rotary and linear servo motors, offering flexibility in various industrial automation tasks.

The MR J2S CT4 Series is equipped with a high-resolution encoder that facilitates smooth and precise motor feedback, enhancing positioning accuracy and overall system performance. The drive unit supports various communication protocols, including RS-485 and RS-422, enabling seamless integration into existing automation networks and ensuring compatibility with a wide range of industrial controllers.

The series offers a range of power outputs to accommodate different application requirements, providing scalability and adaptability in high-demand environments. It includes built-in safety features such as overcurrent, overvoltage, and overheat protection, ensuring reliable operation and extending the lifespan of both the drive and the connected motors.

The MR J2S CT4 Series also features user-friendly software tools for easy configuration and monitoring, reducing setup time and facilitating maintenance. Its compact design allows for efficient space utilization in control cabinets, while its robust construction ensures durability in challenging industrial environments. This series represents a holistic approach to motion control solutions, providing reliability, flexibility, and precision for various industrial applications.

Mitsubishi Electric Meldas MR J2S CT4 Series F.A.Q.

How do I initialize the Mitsubishi Electric Meldas MR J2S CT4 Series servo drive?

To initialize the MR J2S CT4 Series, first ensure all connections are secure. Power on the unit and access the parameter settings through the interface. Navigate to the 'Initialization' menu and select 'Factory Reset' if needed. Follow on-screen prompts to complete the process.

What are the common error codes and their meanings for the MR J2S CT4 Series?

Common error codes include AL.10 (Overcurrent), AL.12 (Overvoltage), and AL.14 (Undervoltage). Refer to the user manual for a full list and troubleshooting steps.

How can I perform routine maintenance on the MR J2S CT4 Series servo drive?

Routinely check for dust accumulation and clean the heatsink and fan area. Verify that all electrical connections are tight, and inspect cables for wear and tear. Ensure the ambient temperature remains within specified limits.

What should I do if the MR J2S CT4 Series is not powering on?

Check the power supply and ensure all input voltages match the unit's specifications. Inspect all fuses and circuit breakers for issues. Verify that the emergency stop is not engaged.

How can I update the firmware on the MR J2S CT4 Series?

Download the latest firmware from the Mitsubishi Electric website. Connect the servo drive to a PC via the appropriate interface and use the provided software tools to initiate the firmware update process, following all prompts carefully.

What is the recommended operating temperature range for the MR J2S CT4 Series?

The recommended operating temperature range for the MR J2S CT4 Series is 0°C to 55°C (32°F to 131°F). Operating outside this range may affect performance and longevity.

How do I troubleshoot communication errors between the MR J2S CT4 Series and a PLC?

Verify all communication cable connections and ensure they are secure. Check that the communication protocol settings match on both devices. Inspect for any network interference or cable damage.

Can the MR J2S CT4 Series operate without a dedicated cooling system?

While the MR J2S CT4 Series has built-in cooling features, it is recommended to use a dedicated cooling system in environments with high ambient temperatures or confined spaces to ensure optimal performance.

How do I set up a basic motion program on the MR J2S CT4 Series?

Access the control panel and navigate to the 'Program' menu. Enter the desired motion commands, such as speed and distance. Save the program and run a test to ensure proper execution. Adjust parameters as needed for fine-tuning.

What preventive measures can help avoid overheating in the MR J2S CT4 Series?

Ensure the installation area is well-ventilated and free from dust. Regularly clean the heat sinks and fans. Monitor the drive's operating temperature and maintain it within the specified range.