Omron FH Series Connection Manual page 58

-1304 ERROR:fhrecvstring():TIMEOUT:-1304
 Precautions
None
 Example
In the following example, a command response is received from the Vision Sensor, and if
the received command response is not OK (0), the program is terminated.
retry_count = 2
time_out = 4
CALL fhrunrecvres(retry_count, time_out, socket_no, cmd_res, err_no)
IF cmd_res <> 1 THEN
GOTO 10
END
56
overrun
Receive timeout
time is over.