Omron Vision Sensor FH Series Connection Manual page 59

fhrunrecvres
7.4.9.
 Function
Receive a command response from the Vision Sensor
 Syntax
fhrunrecvres() As Integer
 Parameter
Argument Input/Output Type
fh_socket_no Input
fh_err_number Output
 Remarks
Receive the response (command response) to the no-procedure command sent to the
Vision Sensor.
If the command response is OK, a return value is "1".
If the command response is not OK, a return value is "-1".
 Return Value
Err. No. Error Message
0 -
-1301 ERROR: fh_recv():NO_CONNECTION:-1301
ERROR: fh_recv():NO_DATA:-1301
-1302 ERROR: fh_recv():STRING_LEN:-1302
 Precautions
None
Data
type
Variable Integer
Variable Integer
57
Description
Connected Socket Number (1 to
16) .
Error Number
(0:normal,Except 0:abnormal)
Description
normal termination
Calling in the
unconnected state
Receive data length 0
Receive data length
over