Omron C200HW-CLK21 Operation Manual page 333

Status Area and Troubleshooting
Bit Status and Error Processing
Data Link Status
310
Bit status
PLC's CPU Unit error is 1:
ON
Communications error is 1:
ON
Data link participation is 0:
OFF
Offset error is 1: ON
Probable cause
A fatal PLC error, non-fatal
PLC error, or a watchdog
timer error has occurred.
The Unit is mounted to a
non-compatible PLC.
The relevant node is not in
the Network.
A communications error
has occurred as a result of
noise.
A communications error
has occurred.
The relevant node is not
part of data links.
There are no active data
links in the Network.
The offset is greater than
the number of send words
at the relevant node.
Section 9-2
Probable remedy
Refer to the PLC's opera-
tion manual and correct
the error. If the error occurs
again, replace the PLC.
Refer to 1-2-4 Controller
Link Unit Models and PLCs
and mount onto the correct
PLC.
Enter the node in the Net-
work.
Conduct an echoback test
using the Controller Link
Support Software and if
this does not correct the
error, check the usage
environment.
Refer to page 287 Trouble-
shooting with RUN, ERC,
ERH and INS Indicators
and troubleshoot accord-
ingly.
Enter the relevant node in
data links. If an error
occurs, refer to page 291
Node Cannot Participate in
Data Link and troubleshoot
accordingly.
Activate the data links.
Check the number of send
words at the relevant node,
the number of receive
words at the local node
and the offset, then reset
the data link table correctly.