Omron Vision Sensor FH Series Connection Manual page 55

 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.
retries_recv := 2;
timeout_recv := 4;
fhrunrecvres fh_socket, retries_recv, timeout_recv, cmd_res, err_no;
IF err_no <> success THEN
GOTO exit_program;
ENDIF
IF cmd_res <> 1 THEN
GOTO exit_program;
ENDIF
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