Omron CS1W-ETN21 User Manual
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Troubleshooting Procedures
Section 8-4
Reception Problems
Y
N
N
N
N
N
Y
Y
Y
Y
Reception Problems
occurred.
Is reception
processing
finishing?
Is the remote
node not processing to
send data?
Adjust the remote node to process send data.
Read controller status
using the FINS command
READ CONTROLLER
STATUS.
Read memory status
using the FINS command
READ MEMORY STATUS.
Is the network
memory being used more
than 80%?
There may be too much load on the Ethernet
Unit. If the memory exhaustion records show
counts, UDP data may be corrupted. Check
your applications.
Read protocol status using
the FINS command READ
PROTOCOL STATUS.
Are any of
the first three items in the
status being counted?
The UDP protocol of the remote node may not
be compatible with that of the Ethernet Unit.
Use another communications service.
Check the remote node for transmission problems using the
next procedure. If nothing is uncovered,
go to Network
Connection Problems
.
Return to the procedure
for general problems.
Have any reception
errors occurred?
There may be noise affecting the network.
Increase the number of retries or take
measures against noise as described in 2-4
Network Installation.