Contents

Safety Instructions
About processing of waste
COMPLIANCE WITH EC DIRECTIVES
CONFORMANCE WITH UL/C-UL STANDARD
CONTENTS
Optional Servo Motor Instruction Manual CONTENTS
1. FUNCTIONS AND CONFIGURATION
- 1.1 Introduction
- 1.2 Servo Amplifier Standard Specifications
- 1.3 Function List
- 1.4 Model Code Definition
- 1.5 Combination with Servo Motor
- 1.6 Parts Identification
- 1.7 Servo System with Auxiliary Equipment
2. INSTALLATION
- 2.1 Environmental conditions
- 2.2 Installation direction and clearances
- 2.3 Keep out foreign materials
- 2.4 Cable stress
- 2.5 Using the DIN rail for installation
3. SIGNALS AND WIRING
- 3.1 Standard connection example
  - 3.1.1 Position control mode AD75P (A1SD75P )
  - 3.1.2 Speed control mode
  - 3.1.3 Torque control mode
- 3.2 Internal Connection Diagram of Servo Amplifier
- 3.3 I/O Signals
  - 3.3.1 Connectors and signal arrangements
  - 3.3.2 Signal explanations
- 3.4 Detailed Description of the Signals
  - 3.4.1 Position control mode
  - 3.4.2 Speed control mode
  - 3.4.3 Torque control mode
  - 3.4.4 Position/speed control change mode
  - 3.4.5 Speed/torque control change mode
  - 3.4.6 Torque/position control change mode
- 3.5 Alarm Occurrence Timing Chart
- 3.6 Interfaces
  - 3.6.1 Common line
  - 3.6.2 Detailed description of the interfaces
- 3.7 Input Power Supply Circuit
  - 3.7.1 Connection example
  - 3.7.2 Explanation of signals
  - 3.7.3 Power-on sequence
- 3.8 Servo Motor with Electromagnetic Brake
- 3.9 Grounding
- 3.10 Instructions for the 3M Connector
4. OPERATION
- 4.1 When Switching Power On for the First Time
- 4.2 Startup
  - 4.2.1 Selection of control mode
  - 4.2.2 Position control mode
  - 4.2.3 Speed control mode
  - 4.2.4 Torque control mode
- 4.3 Multidrop Communication
5. PARAMETERS
- 5.1 Parameter List
  - 5.1.1 Parameter write inhibit
  - 5.1.2 Lists
- 5.2 Detailed Description
  - 5.2.1 Electronic gear
  - 5.2.2 Changing the status display screen
  - 5.2.3 Using forward/reverse rotation stroke end to change the stopping pattern
  - 5.2.4 Alarm history clear
6. DISPLAY AND OPERATION
- 6.1 Display Flowchart
- 6.2 Status Display
- 6.3 Diagnostic mode
- 6.4 Alarm mode
- 6.5 Parameter mode
- 6.6 External I/O signal display
- 6.7 Output signal forced output (DO forced output)
- 6.8 Test operation mode
  - 6.8.1 Mode change
  - 6.8.2 Jog operation
  - 6.8.3 Positioning operation
  - 6.8.4 Motor-less operation
7. ADJUSTMENT
- 7.1 What Is Gain Adjustment?
  - 7.1.1 Difference between servo amplifier and other drives
  - 7.1.2 Basics of the servo system
- 7.2 Gain Adjustment
  - 7.2.1 Parameters required for gain adjustment
  - 7.2.2 Block diagram
  - 7.2.3 What is auto tuning?
- 7.3 Gain Adjustment by Auto Tuning
  - 7.3.1 Adjustment method
  - 7.3.2 Valid conditions
- 7.4 Manual Gain Adjustment
  - 7.4.1 When machine rigidity is low
  - 7.4.2 When the machine vibrates due to machine resonance frequency
  - 7.4.3 Load inertia moment is 20 or more times
  - 7.4.4 When shortening the settling time
  - 7.4.5 When the same gain is used for two or more axes
- 7.5 Slight Vibration Suppression Control
8. INSPECTION
9. TROUBLESHOOTING
- 9.1 Trouble at Start-Up
  - 9.1.1 Position control mode
  - 9.1.2 Speed control mode
  - 9.1.3 Torque control mode
- 9.2 When Alarm or Warning Has Occurred
  - 9.2.1 Alarms and Warning list
  - 9.2.2 Remedies for alarms
  - 9.2.3 Remedies for Warnings
10. OUTLINE DIMENSION DRAWINGS
- 10.1 Servo amplifiers
- 10.2 Connectors
11. CHARACTERISTICS
- 11.1 Overload Protection Characteristics
- 11.2 Dynamic Brake Characteristics
- 11.3 Encoder Cable Flexing Life
12. OPTIONS AND AUXILIARY EQUIPMENT
- 12.1 Options
  - 12.1.1 Cables and connectors
  - 12.1.2 Junction terminal block (MR-TB20)
  - 12.1.3 Servo configurations software
- 12.2 Auxiliary Equipment
  - 12.2.1 Recommended wires
  - 12.2.2 Circuit protector
  - 12.2.3 Relays
  - 12.2.4 Noise reduction techniques
  - 12.2.5 Snubber unit
13. COMMUNICATION FUNCTIONS
- 13.1 Configuration
  - 13.1.1 RS-422 configuration
  - 13.1.2 RS-232C configuration
- 13.2 Communication Specifications
  - 13.2.1 Communication overview
  - 13.2.2 Parameter setting
- 13.3 Protocol
- 13.4 Character Codes
- 13.5 Error Codes
- 13.6 Checksum
- 13.7 Time-Out Operation
- 13.8 Retry Operation
- 13.9 Initialization
- 13.10 Communication Procedure Example
- 13.11 Command and Data No. List
  - 13.11.1 Read commands
  - 13.11.2 Write commands
- 13.12 Detailed Explanations of Commands
  - 13.12.1 Data processing
  - 13.12.2 Status display
  - 13.12.3 Parameter
  - 13.12.4 External I/O pin statuses (DIO diagnosis)
  - 13.12.5 Disable/enable of external I/O signals (DIO)
  - 13.12.6 External input signal ON/OFF (Test operation)
  - 13.12.7 Test operation mode
  - 13.12.8 Output signal pin ON/OFF (DO forced output)
  - 13.12.9 Alarm history
  - 13.12.10 Current alarm
  - 13.12.11 Other commands
REVISIONS

Mitsubishi Electric MRJ203A5 Instruction Manual

Mitsubishi Electric MRJ203A5 manual cover

Pages 197

Year 2005

Language(s)

of 197

Mitsubishi Electric MRJ203A5 Specification

The Mitsubishi Electric MRJ203A5 is a sophisticated climate control system designed to deliver efficient and reliable heating and cooling solutions for residential and commercial spaces. This model incorporates advanced inverter technology, which allows for precise temperature regulation and significant energy savings by adjusting the compressor speed in response to real-time environmental conditions. The MRJ203A5 is equipped with a high-performance motor that ensures quiet operation, making it suitable for noise-sensitive environments.

This system supports a range of capacities to accommodate various room sizes, providing flexibility in installation and application. The unit is designed with a compact form factor, enabling seamless integration into diverse architectural settings without compromising on aesthetic appeal. The MRJ203A5 features a state-of-the-art filtration system that effectively removes airborne particles, ensuring cleaner air quality and enhanced comfort for occupants.

The user interface is intuitive, offering ease of use through a remote control or a dedicated mobile app that allows for convenient adjustments and scheduling. Connectivity options include advanced IoT capabilities, enabling integration with smart home systems for automated climate management. Safety is prioritized with built-in protections against overcurrent, overvoltage, and refrigerant leakage.

Mitsubishi Electric emphasizes sustainability in the MRJ203A5's design, utilizing eco-friendly refrigerants and materials that meet stringent environmental standards. The system is engineered for durability, with components that are resistant to corrosion and wear, ensuring long-term reliability and reduced maintenance requirements. Overall, the Mitsubishi Electric MRJ203A5 stands out as a versatile and energy-efficient climate control solution, tailored to meet the demands of modern living and working spaces.

Mitsubishi Electric MRJ203A5 F.A.Q.

What are the initial setup steps for the Mitsubishi Electric MRJ203A5?

To set up the Mitsubishi Electric MRJ203A5, ensure it is properly mounted and wired according to the installation manual. Connect power supply and communication cables. Configure parameters using the software interface, and perform a test run to check functionality.

How can I troubleshoot a communication error with the MRJ203A5?

First, check all cable connections for secure attachment. Ensure that the communication settings in the controller match those of the connected devices. Use diagnostic tools provided in the software to identify specific error codes and refer to the manual for detailed solutions.

What maintenance is required for the MRJ203A5 to ensure optimal performance?

Regularly check the connections and cables for wear or damage. Clean the unit to prevent dust accumulation. Periodically update the firmware and software to the latest versions. Conduct performance tests and recalibrate if necessary.

How do I update the firmware on the MRJ203A5?

Download the latest firmware from the Mitsubishi Electric website. Connect the MRJ203A5 to a computer via the appropriate interface. Use the designated software tool to upload the firmware to the device, following the on-screen instructions.

What should I do if the MRJ203A5 is overheating?

Ensure that the cooling fans are operational and that vents are not blocked. Verify that the unit is not placed in an environment exceeding its temperature specifications. If overheating persists, reduce the load or duty cycle and consider additional cooling solutions.

Can the MRJ203A5 be integrated with third-party controllers?

Yes, the MRJ203A5 can be integrated with third-party controllers. Ensure compatibility by checking communication protocols and configuring the necessary settings in both the MRJ203A5 and the third-party controller.

What safety precautions should be taken when operating the MRJ203A5?

Always follow the safety guidelines provided in the user manual. Ensure that all operators are trained. Use protective gear when necessary, and never bypass safety interlocks. Disconnect power before performing maintenance.

How do I resolve a motor fault error on the MRJ203A5?

Check for obstructions in the motor's path and ensure it is free to operate. Verify the wiring connections to the motor. Refer to the error code displayed and consult the manual for specific troubleshooting steps.

Is it possible to remotely monitor the MRJ203A5's performance?

Yes, the MRJ203A5 can be remotely monitored using compatible software solutions. Ensure network connectivity and configure the unit's communication settings to enable remote access and data logging.

What are the steps for recalibrating the MRJ203A5?

To recalibrate, access the calibration menu via the software interface. Follow the prompts to perform a zero calibration, then proceed with a full-scale calibration using a known standard. Save the settings and verify by performing a test run.