Contents

SAFETY PRECAUTIONS
CONDITIONS OF USE FOR THE PRODUCT
INTRODUCTION
CONTENTS
RELEVANT MANUALS
TERMS
GENERIC TERMS AND ABBREVIATIONS
1 FUNCTIONS
- 1.1 Overview of CANopen and CAN
- 1.2 NMT
  - NMT state
  - Node control
  - NMT start-up
  - Error event control
  - Boot-up control
  - Flying master
  - LSS
  - Configuration manager
- 1.3 SDO
  - SDO read
  - SDO multi read
  - SDO write
  - SDO multi write
- 1.4 PDO
  - Data flow
  - TPDO
  - RPDO
- 1.5 SYNC
- 1.6 TIME
- 1.7 EMCY
- 1.8 Node Guarding
- 1.9 Heartbeat
- 1.10 Operation Setting at Error Occurrence
- 1.11 Layer 2 Message Transmission and Receive
  - Data transmission
  - RTR transmission
  - RTR response
  - Data reception
  - Data/RTR transmission via CIF
- 1.12 CPU Module STOP Transition Message
2 PARAMETER SETTINGS
- 2.1 Setting Parameters
- 2.2 Basic Setting
- 2.3 Refresh Setting
  - Refresh processing time
- 2.4 CANopen Setting (Starting CANopen Configuration Tool)
3 CANopen Configuration Tool
- 3.1 Window Structure
  - Menu
  - Parameter window
  - Description window
- 3.2 Setting Procedure
  - Creating a new project
  - Transfer setup
  - Parameter settings
  - Writing the settings
- 3.3 Functions
  - Network scan
  - SDO send/receive
  - Export/import
  - Module status
  - Select language
  - NMT master reset
- 3.4 Checking the Software Version
4 PROGRAMMING
- 4.1 Communication Example of Layer 2 Message Mode
  - System configuration
  - Parameter settings
  - Program example
- 4.2 Communication Example of CANopen 405 Mode
5 TROUBLESHOOTING
- 5.1 Checking with LED
- 5.2 Checking the Module Status
- 5.3 Troubleshooting Using the Buffer Memory
- 5.4 Troubleshooting by Symptom
  - CANopen 405 mode
  - Layer 2 message mode
- 5.5 List of Error Codes
- 5.6 Event List
APPENDICES
- Appendix 1 I/O Signals
  - List of I/O signals
  - Details of I/O signals
- Appendix 2 Buffer Memory
  - List of buffer memory addresses
  - Details of buffer memory areas
- Appendix 3 Object Dictionary
  - Object dictionary list
  - Data type definitions
  - Communication profile
  - Standard interface profile
  - Object dictionary details
- Appendix 4 Operation of the RJ71CN91 When the CPU Module Operating Status Is Changed
- Appendix 5 How to Set Parameters When Not Using CANopen Configuration Tool
  - Setting parameters
  - List of buffer memory areas where parameters are set
  - List of object dictionary to be set
- Appendix 6 Added and Enhanced Functions
INDEX
REVISIONS
WARRANTY
TRADEMARKS

Mitsubishi Electric RJ71CN91 User's Manual

Mitsubishi Electric RJ71CN91 manual cover

Pages 240

Year 2017

Language(s)

of 240

Mitsubishi Electric RJ71CN91 Specification

The Mitsubishi Electric RJ71CN91 is a sophisticated communication module designed to integrate seamlessly with Mitsubishi's iQ-R series PLCs. This module specializes in controlling and managing networks using the CC-Link IE Field Network Basic protocol, ensuring efficient data handling and robust network performance in industrial environments. Engineered to support high-speed communication, the RJ71CN91 facilitates real-time data exchange, critical for precision-driven manufacturing processes.

Featuring an Ethernet-based interface, it offers a high degree of flexibility and scalability, allowing for the easy expansion of network systems as operational demands grow. It supports a communication speed of 1 Gbps, ensuring rapid data transfer and minimal latency, which is essential for maintaining optimal production efficiency. The module is equipped with diagnostic tools that provide comprehensive monitoring capabilities, enabling swift troubleshooting and maintenance, thereby reducing potential downtime.

The RJ71CN91 is configured through Mitsubishi's intuitive engineering software, which simplifies setup and network management, making it accessible for engineers and technicians. It supports a wide range of devices and ensures interoperability within the CC-Link IE network, which enhances system integration and overall productivity. The module's robust design is tailored for industrial applications, offering reliable performance even in harsh environments, thanks to its durable construction and adherence to industry standards.

Overall, the Mitsubishi Electric RJ71CN91 is a highly effective communication module that enhances network efficiency and reliability, making it a vital component in modern automated systems. Its advanced features and seamless integration capabilities make it a preferred choice for industries seeking to optimize their network infrastructure.

Mitsubishi Electric RJ71CN91 F.A.Q.

How do I connect the RJ71CN91 to my network?

To connect the RJ71CN91 to your network, ensure that the module is properly inserted into the rack. Connect the Ethernet cable to the Ethernet port on the module and configure the IP settings using the Mitsubishi Electric configuration software.

What is the procedure for updating the firmware on the RJ71CN91?

To update the firmware, download the latest firmware version from the Mitsubishi Electric website. Use the configuration software to upload the firmware to the module. Follow the on-screen instructions to complete the update process.

How can I troubleshoot network connectivity issues with the RJ71CN91?

First, check all physical connections and ensure the cables are secure. Verify that the IP settings are correct and that there are no IP conflicts. Use the diagnostic tools in the configuration software to identify any issues.

What maintenance is required for the RJ71CN91 module?

Regular maintenance includes checking for firmware updates, ensuring physical connections are secure, and inspecting the module for any visible signs of wear or damage. Periodically test the network communication to ensure optimal performance.

Can the RJ71CN91 be used in a redundant network configuration?

Yes, the RJ71CN91 supports redundant network configurations. Refer to the module's manual for detailed setup instructions to ensure proper redundancy setup.

What should I do if the RJ71CN91 module is not recognized by the configuration software?

Ensure the module is correctly installed in the rack and powered on. Check the connection between the module and the PC. If the issue persists, reinstall the configuration software and check for any updates.

How can I reset the RJ71CN91 to factory settings?

To reset the RJ71CN91 to factory settings, locate the reset button on the module. Press and hold the button for several seconds until the indicator lights flash, indicating that the reset process is complete.

What are the LED indicators on the RJ71CN91 and what do they signify?

The LED indicators on the RJ71CN91 signify the module's status, network activity, and error conditions. Refer to the user manual for a detailed explanation of each LED indicator and its meaning.

Is it possible to remotely monitor and configure the RJ71CN91?

Yes, the RJ71CN91 supports remote monitoring and configuration through the network. Ensure the module is connected to the network and accessible from the remote location using the appropriate security credentials.

What should I check if the RJ71CN91 is not communicating with other devices on the network?

Verify that the network settings are correctly configured on the RJ71CN91 and other devices. Ensure there are no IP conflicts and that all devices are on the same subnet. Check firewall settings that might be blocking communication.