Device Read Command Error (General/Additional STS)

What does RHxx135 mean?

The system received an error response when attempting a device read command from the external device, with details from General STS and Additional STS Codes. This indicates a problem retrieving data from the external device. 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

   Verify physical EtherNet/IP cable connections between the Omron EtherNet/IP module, network switch, and the external device for damage or loose contacts.

2. 2

   Check the link status and activity LEDs on the Omron EtherNet/IP module and the connected network switch/external device.

3. 3

   Verify the IP address, subnet mask, and gateway settings configured for the Omron EtherNet/IP module and the external device against the system documentation.

4. 4

   Inspect the power status and operational health indicators on the external device that the Omron PLC is attempting to read data from.

5. 5

   Verify the EtherNet/IP connection settings and the specific data read command parameters (e.g., target address, data type, size) within the Omron PLC program for accuracy.