RHxx133

Device Write Command Error (CIP)

Omron · CS/CJ Series EtherNet/IP Driver

What does RHxx133 mean?

The system received an error response when attempting a device write command to the external device via CIP. This issue prevents the system from sending control commands or data to the external device using the CIP protocol. The specific nature of the error may be detailed in the CIP Error Code field.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Verify the physical EtherNet/IP cable connections at both the Omron driver and the external device for proper seating and integrity.

  2. 2

    Check the IP address, subnet mask, and gateway settings on both the Omron EtherNet/IP driver and the external device for correct and unique configuration.

  3. 3

    Inspect the operational status and power supply of the external device, ensuring it is powered on, initialized, and not in a fault state.

  4. 4

    Review the Omron PLC's EtherNet/IP communication parameters configured for the external device, specifically CIP connection settings such as path, instance ID, and service code.

  5. 5

    Access the Omron PLC's diagnostic information or error buffer to identify the specific CIP Error Code associated with the RHxx133 fault.

Browse all codes in this manual (11)
Verified technical data. Last updated: March 2026

Related Faults

Source: Omron CS/CJ Series EtherNet/IP Driver