Contents

SAFETY PRECAUTIONS
CONDITIONS OF USE FOR THE PRODUCT
INTRODUCTION
COMPLIANCE WITH EMC AND LOW VOLTAGE DIRECTIVES
CONTENTS
RELEVANT MANUALS
TERMS
1 FUNCTIONS
- 1.1 Fixed Cycle Communication
- 1.2 CC-Link IE Field Network Synchronous Communication Function
- 1.3 Cyclic Transmission
  - Data flow and link device assignment
  - Link refresh
  - Direct access to link devices
  - Cyclic data integrity assurance
  - Interlink transmission
  - Input and output status settings when failure occurs
  - Output status setting for CPU STOP
  - Cyclic transmission stop and restart
- 1.4 Transient Transmission
  - Communications within the same network
  - Communications with different networks
- 1.5 IP Packet Transfer Function
  - System configuration
  - Setting
  - IP communication test
  - Access range
  - Relay using CC-Link IE Controller Network
  - Precautions
  - Example of communications using the IP packet transfer function
- 1.6 Safety Communication Function
  - Communications with safety stations
  - Safety station interlock function
2 PARAMETER SETTINGS
- 2.1 Setting Parameters
- 2.2 Required Settings
  - Station Type
  - Network No.
  - Station No.
  - Parameter Setting Method
- 2.3 Basic Settings
  - Network Configuration Settings
  - Refresh Settings
  - Network Topology
- 2.4 Application Settings
  - Supplementary Cyclic Settings
  - IP Address
  - Communication Mode
  - Parameter Name
  - Dynamic Routing
  - Event Reception from Other Stations
  - Module Operation Mode
  - Interlink Transmission Settings
  - Safety Communication Setting
3 PROGRAMMING
- 3.1 Precautions for Programming
- 3.2 Communication Example of Safety Communication Function
  - System configuration example
  - Setting in the master station and remote device station
  - Setting in the local station
  - Checking the network status
  - Program examples
4 TROUBLESHOOTING
- 4.1 Checking with LED
- 4.2 Checking the Module Status
- 4.3 Checking the Network Status
- 4.4 Troubleshooting by Symptom
- 4.5 List of Parameter Nos.
- 4.6 Event List
APPENDICES
- Appendix 1 Module Label
- Appendix 2 Buffer Memory
  - List of buffer memory addresses
  - Details of buffer memory addresses
- Appendix 3 List of Link Special Relay (SB)
- Appendix 4 List of Link Special Register (SW)
- Appendix 5 Dedicated Instruction
  - Precautions for dedicated instructions
- Appendix 6 Processing Time
  - Link scan time
  - Cyclic transmission delay time
  - Interlink transmission time
  - Transmission delay time of safety communications
- Appendix 7 Differences in Cyclic Transmission Modes
INDEX
REVISIONS
WARRANTY
TRADEMARKS

Mitsubishi Electric RD77GF4 RD77GF8 RD77GF16 Users Manual

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Mitsubishi Electric RD77GF4 RD77GF8 RD77GF16 Users Specification

The Mitsubishi Electric RD77GF series, including models RD77GF4, RD77GF8, and RD77GF16, are advanced motion controllers designed for precision and efficiency in industrial automation. These units are integral components of Mitsubishi's MELSEC iQ-R series, providing seamless integration and enhanced performance for a wide range of motion control applications. Each model is tailored to meet specific axis control requirements, with the RD77GF4 supporting up to 4 axes, the RD77GF8 managing up to 8 axes, and the RD77GF16 capable of handling up to 16 axes.

These controllers are equipped with high-speed servo network capabilities, utilizing the CC-Link IE Field Network to ensure rapid and reliable communication. This supports synchronous control operations and enhances real-time performance, which is crucial in applications demanding high precision and fast response times. The RD77GF series is designed to support a maximum command frequency of 4 MHz, facilitating high-speed and high-precision positioning tasks.

The controllers offer extensive connectivity options, allowing for integration with various servo amplifiers and ensuring adaptability to diverse industrial setups. They also feature advanced diagnostic and monitoring functions, enabling users to maintain optimal operational efficiency and minimize downtime through proactive maintenance.

Programming and configuration are streamlined through the use of Mitsubishi's intuitive software platforms, providing users with a user-friendly interface and comprehensive tools for customization and optimization of motion control processes. Safety is also a key consideration, with the RD77GF series incorporating multiple safety functions to protect both equipment and operators.

Overall, the Mitsubishi Electric RD77GF motion controllers deliver robust performance, flexibility, and ease of use, making them an ideal choice for complex automation systems requiring precise and reliable motion control solutions.

Mitsubishi Electric RD77GF4 RD77GF8 RD77GF16 Users F.A.Q.

How do I initialize the RD77GF4 module?

To initialize the RD77GF4 module, first ensure it is correctly installed on the main rack. Then, power up the system and access the configuration software. Navigate to the module's settings and perform a factory reset if necessary. Follow the setup prompts to configure the module for your specific application.

What should I do if the RD77GF8 module is not communicating with the PLC?

First, check all connections to ensure they are secure. Verify that the communication parameters in the software match those of the PLC. Ensure the module is correctly seated and powered on. If the issue persists, consult the error codes displayed on the module and refer to the troubleshooting section of the user manual.

How can I update the firmware on the RD77GF16 module?

To update the firmware, download the latest firmware version from the Mitsubishi Electric official website. Connect the module to your PC using the recommended interface, then use the configuration software to upload the new firmware to the module. Follow on-screen instructions to complete the update process.

What maintenance procedures are recommended for the RD77GF series?

Regularly inspect the module for dust or debris, and clean it using compressed air if necessary. Check all cables and connections for wear and secure them properly. Perform a system diagnostic periodically to ensure optimal performance and consult the maintenance schedule in the user manual for specific intervals.

Can I use the RD77GF modules in a high-temperature environment?

The RD77GF modules are designed to operate within a specific temperature range, typically between 0°C and 55°C. Operating outside this range may lead to performance issues or damage. Ensure adequate cooling and ventilation if used in high-temperature environments.

How do I configure the RD77GF module for a new application?

Start by resetting the module to factory defaults if previously used. Access the configuration software and select the module from the device list. Enter the necessary parameters for your application, such as input and output settings, communication protocols, and any special functions required.

What should I do if I encounter an error code on the RD77GF module?

Refer to the error code section in the user manual to identify the meaning of the code. Follow the suggested corrective actions, which may include resetting the module, checking for faulty connections, or updating the firmware. If the problem persists, contact technical support.

Is it possible to network multiple RD77GF modules together?

Yes, multiple RD77GF modules can be networked together using the appropriate communication protocols supported by the modules. Ensure each module is correctly addressed and configured within the network settings in the configuration software.

How do I perform a factory reset on the RD77GF8 module?

To perform a factory reset, access the module settings through the configuration software. Locate the 'Reset' or 'Factory Reset' option and follow the on-screen instructions to revert the module to its default settings. Ensure to backup any important configurations before proceeding.

What precautions should be taken when handling RD77GF modules?

Always handle the modules with care to prevent static discharge, which can damage sensitive components. Use anti-static wrist straps and mats when handling. Ensure the power is off before connecting or disconnecting the module to avoid electrical shock or damage.