Omron CJ1W-EIP21 - Page 358

13 Troubleshooting
13-40
CJ-series EtherNet/IP Units Operation Manual for NJ-series CPU Unit (W495)
Event name Tag Data Link Error Event code 34A90000 hex
Meaning There were two or more errors in a connection as an originator. The following are excluded.
• Connections as a target
• Connection timeouts due to a Link OFF Error with the switching hub
Source PLC Function Module Source details CJ-series Unit Detection
timing
After link is
established
Error attributes Level Minor fault Recovery Automatic recov-
ery
Log category System
Effects User program Continues. Operation The relevant data link connection will stop. Reconnection
processing is periodically repeated for the tag data link
error target.
System-defined
variables
Variable Data type Name
None --- ---
Cause and
correction
Assumed cause Correction Prevention
The power supply to the target node
is OFF.
Check the status of the target node
and start it normally.
Make sure that the target node starts
normally.
Communications with the target node
stop.
The Ethernet cable for EtherNet/IP is
disconnected.
Reconnect the connector and make
sure it is mated correctly.
Connect the connector securely.
The Ethernet cable for EtherNet/IP is
disconnected.
Replace the Ethernet cable. None
Noise Implement noise countermeasures if
there is excessive noise.
Implement noise countermeasures if
there is excessive noise.
Attached
information
None
Precautions/
Remarks
None
Event name Tag Refresh Error Event code 34AA0000 hex
Meaning An unsupported data area or address range is specified for the tag data links.
Source PLC Function Module Source details CJ-series Unit Detection
timing
Continuously
Error attributes Level Minor fault Recovery Error reset Log category System
Effects User program Continues. Operation Tag data link function of the EtherNet/IP Unit cannot be
used.
System-defined
variables
Variable Data type Name
None --- ---
Cause and
correction
Assumed cause Correction Prevention
An unsupported data area or address
range was specified for the tag data
links.
Correct the tag data links so that the
area types and address ranges are
within the specified ranges.
Set the tag data links so that the area
types and address ranges are within
the specified ranges.
Attached
information
None
Precautions/
Remarks
None