Specifications

Allen-Bradley ControlLogix Ethernet Driver Help

If this error occurs frequently, there may be an issue with the cabling or the device itself. If the error occurs

frequently for a specific tag, contact Technical Support. Increasing the request attempts gives the driver more

opportunities to recover from the error. In response to this error, the tag is deactivated and is not processed

again.

Unable to read <tag address> on device <device name>. Tag deactivated.

Error Type:

Warning

Possible Cause:

1. The Ethernet connection between the device and the Host PC is broken.

2. The communication parameters for the Ethernet connection are incorrect.

3. The named device may have been assigned an incorrect IP address.

Solution:

1. Verify the cabling between the PC and the device.

2. Verify that the correct port has been specified for the named device.

3. Verify that the IP address given to the named device matches that of the actual device.

Note:

In response to this error, the tag will be deactivated and will not be processed again.

Unable to read tag <tag address> on device <device name>. [CIP

error=<code>, Ext. error=<code>].

Error Type:

Warning

Possible Cause:

The device returned an error within the CIP portion of the Ethernet/IP packet during a read request for the

specified tag.

Solution:

The solution depends on the error code(s) returned.