Omron CS1W-ETN21 - Manual (Page 241)

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Troubleshooting Procedures Section 8-4
Reception Problems
Transmission Problems
N
Y
N
Y
N
Y
Y
Y
N
N
Reception problems occurred.
Is reception processing
not finishing?
Is the remote
node not processing
to send data?
Adjust the remote node to process send data.
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, processing may be slow. Check your
applications.
Return to the procedure
for general problems.
Is the response
code in the results storage
area a value other
than 0000?
(If you are using the Socket Service
Request Switches, check the response
code to see if it is other than 0000
Hex.)
Is the number of
bytes received in the
results storage
area 0?
The remote node's TCP socket has closed.
Close the local socket.
N
Y
Y
N
Transmission problem occurred.
Is send processing
finishing?
Return to the procedure for
general problems.
Read socket status using
the FINS command READ
SOCKET STATUS.
Is there the maximum
number of bytes in the send
queue (4,096 bytes)?
Make sure that reception processing is
being performed at the remote node.