Omron FH Series Connection Manual page 59

ERROR:fhrecvstring():NO_DATA:-1301
-1302 ERROR:fhrecvstring():STRING_LEN:-1302
-1303 ERROR:fhrecvstring():RETRY:-1303
-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.
retries_recv = 2
timeout_recv = 4
Call fhrunrecvres(fh_socket, retries_recv, timeout_recv, cmd_res, err_no)
If err_no <> success Then
GoTo disconnect
End If
If cmd_res <> 1 Then
GoTo disconnect
End If
57
Receive data length 0
Receive data length
over
Receive retry count
overrun
Receive timeout time
is over.