Contents

Safety Instructions
About processing of waste
COMPLIANCE WITH EC DIRECTIVES
CONFORMANCE WITH UL/C-UL STANDARD
CONTENTS
1. FUNCTIONS AND CONFIGURATION
- 1.1 Introduction
  - 1.1.1 System configuration
  - 1.1.2 I/O devices
- 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
- 3.2 Internal connection diagram of servo amplifier
- 3.3 I/O signals
  - 3.3.1 Connectors and signal arrangements
  - 3.3.2 Signal explanations
  - 3.3.3 Additional function devices
- 3.4 Detailed description of the signals
  - 3.4.1 Start and stop signals
  - 3.4.2 Rough match, in-position
  - 3.4.3 Override
  - 3.4.4 Torque limit
- 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
  - 4.1.1 Pre-operation check items
  - 4.1.2 Startup
- 4.2 Automatic operation mode
  - 4.2.1 What is automatic operation mode?
  - 4.2.2 Absolute value command system
  - 4.2.3 Incremental value command system
  - 4.2.4 Automatic operation timing chart
  - 4.2.5 Automatic continuous operation
- 4.3 Manual operation mode
  - 4.3.1 Jog operation
  - 4.3.2 Manual pulse generator operation
- 4.4 Manual home position return mode
  - 4.4.1 Outline of home position return
  - 4.4.2 Dog type home position return
  - 4.4.3 Count type home position return
  - 4.4.4 Data setting type home position return
  - 4.4.5 Stopper type home position return
  - 4.4.6 Home position ignorance (servo-on position defined as home position)
  - 4.4.7 Automatic home position return function
- 4.5 Serial communication operation
  - 4.5.1 Positioning operation in accordance with point tables
  - 4.5.2 Positioning operation
  - 4.5.3 Multidrop system
  - 4.5.4 Group designation
5. PARAMETERS
- 5.1 Parameter list
  - 5.1.1 Parameter write inhibit
  - 5.1.2 Lists
- 5.2 Detailed explanation
  - 5.2.1 Electronic gear
  - 5.2.2 Changing the status display screen
  - 5.2.3 S-pattern acceleration/deceleration
  - 5.2.4 Changing the stop pattern using a limit switch
  - 5.2.5 Alarm history clear
  - 5.2.6 Rough match output
  - 5.2.7 Software limit
6. SERVO CONFIGURATION SOFTWARE
- 6.1 Specifications
- 6.2 System configuration
- 6.3 Station setting
- 6.4 Parameters
- 6.5 Point table
- 6.6 Device setting
- 6.7 Test operation
  - 6.7.1 Jog operation
  - 6.7.2 Positioning operation
  - 6.7.3 Motor-less operation
  - 6.7.4 Output signal (DO) forced output
  - 6.7.5 Single-step feed
- 6.8 Alarm history
7. DISPLAY AND OPERATION
- 7.1 Display flowchart
- 7.2 Status display
- 7.3 Diagnostic mode
- 7.4 Alarm mode
- 7.5 Point table mode
- 7.6 Parameter mode
8. COMMUNICATION FUNCTIONS
- 8.1 Configuration
  - 8.1.1 RS-422 configuration
  - 8.1.2 RS-232C configuration
- 8.2 Communication specifications
  - 8.2.1 Communication overview
  - 8.2.2 Parameter setting
- 8.3 Protocol
- 8.4 Character codes
- 8.5 Error codes
- 8.6 Checksum
- 8.7 Time-out operation
- 8.8 Retry operation
- 8.9 Initialization
- 8.10 Communication procedure example
- 8.11 Command and data No. list
  - 8.11.1 Read commands
  - 8.11.2 Write commands
- 8.12 Detailed explanations of commands
  - 8.12.1 Data processing
  - 8.12.2 Status display
  - 8.12.3 Parameter
  - 8.12.4 External I/O signal statuses
  - 8.12.5 Device ON/OFF
  - 8.12.6 Alarm history
  - 8.12.7 Current alarm
  - 8.12.8 Point table
  - 8.12.9 Servo amplifier group designation
  - 8.12.10 Other commands
9. ADJUSTMENT
- 9.1 What is gain adjustment?
  - 9.1.1 Difference between servo amplifier and other drives
  - 9.1.2 Basics of the servo system
- 9.2 Gain adjustment
  - 9.2.1 Parameters required for gain adjustment
  - 9.2.2 Block diagram
  - 9.2.3 What is auto tuning?
- 9.3 Gain adjustment by auto tuning
  - 9.3.1 Adjustment method
  - 9.3.2 Valid conditions
- 9.4 Manual gain adjustment
  - 9.4.1 When machine rigidity is low
  - 9.4.2 When the machine vibrates due to machine resonance frequency
  - 9.4.3 Load inertia moment is 20 or more times
  - 9.4.4 When shortening the settling time
  - 9.4.5 When the same gain is used for two or more axes
- 9.5 Slight vibration suppression control
10. INSPECTION
11. TROUBLESHOOTING
- 11.1 Trouble at start-up
- 11.2 When alarm or warning has occurred
  - 11.2.1 Alarms and warning list
  - 11.2.2 Remedies for alarms
  - 11.2.3 Remedies for warnings
12. OUTLINE DIMENSION DRAWINGS
- 12.1 Servo amplifiers
- 12.2 Connectors
13. CHARACTERISTICS
- 13.1 Overload protection characteristics
- 13.2 Dynamic brake characteristics
- 13.3 Motor cable flexing life
14. OPTIONS AND AUXILIARY EQUIPMENT
- 14.1 Options
  - 14.1.1 Cables and connectors
  - 14.1.2 Junction terminal block (MR-TB20)
  - 14.1.3 External digital display (MR-DP60)
  - 14.1.4 Manual pulse generator (MR-HDP01)
- 14.2 Auxiliary Equipment
  - 14.2.1 Recommended wires
  - 14.2.2 Circuit protector
  - 14.2.3 Relays
  - 14.2.4 Noise reduction techniques
  - 14.2.5 Setting potentiometers for analog inputs
  - 14.2.6 Snubber unit
REVISIONS

Mitsubishi Electric MRJ203C5 Instruction Manual

Mitsubishi Electric MRJ203C5 manual cover

Pages 227

Year 2006

Language(s)

of 227

Mitsubishi Electric MRJ203C5 Specification

The Mitsubishi Electric MRJ203C5 is a highly efficient and reliable air conditioning unit designed for residential and light commercial applications. It incorporates advanced inverter technology, allowing for precise temperature control and significant energy savings. The unit operates with a cooling capacity suitable for medium-sized spaces, ensuring optimal comfort levels throughout the year.

This model features a compact and sleek design, making it easy to install in various environments without compromising on performance. It utilizes a high-efficiency compressor and environmentally-friendly refrigerant, aligning with global standards for energy conservation and sustainability. The MRJ203C5 is engineered to operate quietly, minimizing noise disruption while maintaining a comfortable climate.

Connectivity is enhanced with integrated smart controls, allowing users to manage settings remotely via a mobile app or home automation systems. This functionality supports various modes, such as eco and sleep modes, to optimize energy consumption based on user preferences and ambient conditions. The unit's filtration system is designed to improve indoor air quality by effectively removing dust, allergens, and other pollutants.

Durability and reliability are ensured through robust construction and the inclusion of advanced diagnostics that facilitate maintenance and troubleshooting. The MRJ203C5 is also equipped with safety features such as auto-restart and self-diagnosis to prevent operational disruptions. Overall, the Mitsubishi Electric MRJ203C5 represents a blend of innovation, efficiency, and convenience, making it an ideal choice for those seeking a modern air conditioning solution.

Mitsubishi Electric MRJ203C5 F.A.Q.

How do I perform a factory reset on the Mitsubishi Electric MRJ203C5?

To perform a factory reset on the MRJ203C5, turn off the power, press and hold the reset button located at the back panel, then turn on the power while holding the button until the LED indicator flashes.

What should I do if the MRJ203C5 is not powering on?

Ensure that the power cable is securely connected, check the circuit breaker, and verify that the power outlet is functional. If the issue persists, consult the service manual or contact Mitsubishi support.

How can I update the firmware on the MRJ203C5?

Download the latest firmware from the Mitsubishi Electric website, transfer it to a USB drive, insert the drive into the MRJ203C5, and follow the on-screen instructions to update.

What is the recommended maintenance schedule for the MRJ203C5?

It is recommended to perform a maintenance check every six months, which includes cleaning the filters, inspecting electrical connections, and checking for firmware updates.

How do I troubleshoot communication errors with the MRJ203C5?

Check all cable connections, verify network settings, and ensure that the device firmware is up to date. Consult the troubleshooting section of the manual for specific error codes.

Can I integrate the MRJ203C5 with a home automation system?

Yes, the MRJ203C5 supports integration with various home automation systems through compatible interfaces. Refer to the integration guide for detailed instructions.

What should I do if the MRJ203C5 is overheating?

Ensure that the ventilation slots are not blocked, clean any dust accumulation, and check that the ambient temperature is within the specified operating range.

How do I calibrate the sensors on the MRJ203C5?

Access the calibration settings through the main menu, select the sensor to calibrate, and follow the guided steps on the display. Refer to the user manual for detailed instructions.

What types of signals can the MRJ203C5 process?

The MRJ203C5 is capable of processing a variety of signals including digital, analog, and pulse input signals. Consult the technical specifications for more details.

How can I obtain technical support for the MRJ203C5?

Technical support for the MRJ203C5 can be obtained by contacting Mitsubishi Electric customer service through their official website or by calling their support hotline.