Mitsubishi Electric FX3U CAN Installation Manual
![Mitsubishi Electric FX3U CAN manual cover](/images/a3bb61a98c7d3e48043bedf2/thumbs/thumb175x175.webp)
To connect the FX3U PLC to a CAN network, use the FX3U-CAN module. Ensure the module is correctly installed on the PLC's expansion slot and configure the CAN communication settings via GX Works2 software.
First, check all physical connections and ensure the CAN module is properly seated. Verify the CAN network settings, such as baud rate and node ID. Use diagnostic tools in GX Works2 to monitor communication status and error frames.
To update the firmware, connect the FX3U PLC to a PC with the latest version of GX Works2. Navigate to the module's settings and follow the on-screen instructions to perform a firmware update. Ensure backup of existing configurations before proceeding.
Regularly inspect the module for dust and debris, and clean it with compressed air if necessary. Check for firmware updates and ensure all connections are secure. Periodically test the module's communication to verify proper functionality.
In GX Works2, access the CAN module settings and select the communication parameters. Adjust the baud rate according to the network requirements and save the configuration.
The CAN protocol supports up to 127 nodes in a single network. However, practical limits may vary based on network load and configuration.
Use the built-in monitoring tools in GX Works2 to send test messages and observe the responses. Check for errors or lost frames to ensure reliable communication.
Yes, as long as the devices adhere to the CAN protocol standards, the FX3U CAN module can communicate with them. Proper configuration and compatibility checks are necessary.
Ensure the module is correctly installed and powered. Check the PLC's settings to confirm the module is enabled. If the issue persists, try reinstalling the module or updating the PLC firmware.
To reset the module, disconnect power, then reconnect while pressing the reset button on the module. Follow the specific reset instructions provided in the user manual.