Omron CS1W-SLK11-21 - 06-2004 Manual page 113

PLC Network Instructions
CMND(490) Instructions
1,2,3...
96
The following will affect the Port Execute Error Flag and response code when
you have executed the CMND(490) instruction.
1. A response time-out error.
2. The number of transmission data bytes exceeding the maximum permissi-
ble range (more than 021E (542) bytes for SYSMAC LINK Units).
3. The number of response data bytes exceeding the number of reception
data bytes that was set (in this case, no response will be recorded).
Errors other than the above will be shown in the response code in the
response block but will not be shown in the Port Execution Error Flag or
response codes.
Section 6-2