Diagnose Communication Problems

If the read or write request fails, a message is displayed in the status message field giving an indication of the failure. Use this information to help diagnose communication problems. Error messages will include the Error Response Code returned from the target programmable controller where appropriate. Refer to the OMRON Ethernet User's Manuals for complete error descriptions. Errors will indicate possible problems with data addresses, programmable controller routing tables, data ranges, etc.

More information

Time-out errors.

OMRON TCP/IP Communications validation.