Initial Communication Command Error (General/Additional STS)

What does RHxx134 mean?

An error response was received during the initial communication command with the external device, with details provided by General STS and Additional STS Codes. This indicates a failure to establish connection, preventing data exchange and control. The specific nature of the error is detailed in the General STS Code and Additional STS Code fields.

Click steps to track your progress.

1. 1

   Inspect the physical Ethernet cable connection between the Omron EtherNet/IP driver and the external device for damage, secure seating, and proper termination.

2. 2

   Verify the network link and activity LEDs on both the Omron EtherNet/IP driver and the external device are indicating proper communication status.

3. 3

   Check the IP address, subnet mask, and gateway settings configured in the Omron EtherNet/IP driver and the external device to ensure they are correct and unique on the network.

4. 4

   Verify the EtherNet/IP connection parameters (e.g., EDS file, connection path, RPI) in the Omron PLC program and confirm they match the specifications of the external device.

5. 5

   Examine the PLC's diagnostic buffer and the specific General STS and Additional STS Codes associated with the RHxx134 error for more detailed fault information from the Omron driver.