Omron CJ1W-EIP21 Operation Manuals page 332

13 Troubleshooting
Indicator
7-seg-
MS NS
ment*
Errors Related to the Tag Data Links
--- --- d6
--- --- d9
* The 7-segment display alternates between the node address and error code.
13-14
Error Cause
Connection The connection could
Failed not be established
because device
parameters (such as
the variable name
and size) did not
match in the origina-
tor and target, or con-
nection resources are
insufficient.
Tag Data Link A timeout occurred in
Error the tag data link. (Tag
data was not received
from the target within
the specified timeout
time.)
CJ-series EtherNet/IP Units Operation Manual for NJ-series CPU Unit (W495)
Error log
Unit operation
(hex)
The Unit will periodically 03D4
attempt to reconnect to
the target.
*_TDLOpnErr (Verifica-
tion Error), *_UnitErr (Unit
Error Occurred), and
*_NetErr (Network Error
Occurred) will change to
TRUE.
The Unit will periodically 03D5
attempt to reconnect to
the target where the error
occurred.
*_TDLErr (Tag Data Link
Error), *_UnitErr (Unit
Error Occurred), and
*_NetErr (Network Error
Occurred) will change to
TRUE.
Countermeasure
Correct the device
parameter settings,
and download the
device parameters
again from the Net-
work Configurator.
Check the following
items:
• Is the registered
node's power sup-
ply ON?
• Is the cable con-
nected?
• Is the cable dam-
aged or loose?
• Is there excessive
noise?