Omron FH Series Connection Manual page 45

7.3.4. fhsample_chgscn
 Function
Switching the scene of the Vision Sensor.
 Syntax
fhsample_chgscn(socket_no, retry_count, time_out, scene_no, err_no)
 Parameter
Parameter Name Input/Output Data type
socket_no
retry_count
time_out
scene_no
err_no
 Remarks
Sends a command to the Vision Sensor to switch to the scene number specified in the
parameter.
It returns an error if this command is not connected to the Vision Sensor.
Return an error is returned if the scene number specified in the parameters is out of the
input range.
Returns an error if a response is received from the Vision Sensor indicating that the scene
change command failed.
 Return value
Err. No. Error Message
0 -
-1000 ERROR:fhsample_chgscn():Invalid Scene
No.:-1000
-1300 ERROR:fhrecvstring():RETRY:-1300
ERROR:fhrecvstring():TIMEOUT:-1300
-1301 ERROR:fhrecvstring():NO_CONNECTION:-
1301
-1303 ERROR:fhrecvstring():RETRY:-1303
Input Real
Input Real
Input Real
Input Real
Output Real
Description
Number of sockets already connected
to the Vision Sensor
Number of receive retries (0 - 99)
Receive timeout time (0 to 99sec)
Scene number to switch to (0 - 127)
error number
Store the result of the execution of
this function.
Description
normal termination
Out
range
Out of the range of receive
retry count input
Out of the input range for the
receive timeout count
Calling in the unconnected
state
Receive retry count overrun
43
of scene numbering