7.3.3. fhsample_chgscn Function Switching the scene of the Vision Sensor. Syntax fhsample_chgscn fh_socket, retries_recv, timeout_recv, scene_no, err_no Parameter 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 41 Argument Input/Output Data type Description fh socket _ Input socketdev Data of socket already connected to the Vision Sensor retries recv _ Input num Number of receive retries (0 to 99) timeout recv _ Input num Receive timeout time (0 to 99sec) scene no _ Input num Scene number to switch to (0 to 127) err no _ Output num error number Store the result of the execution of this function. Err. No.
Error Message Description 0 - normal termination -1000 ERROR:fhsample chgscn():Invalid Scene _ No.:-1000 Out of scene numbering range -1300 ERROR:fhrecvstring():RETRY:-1300 Out of the range of receive retry count input ERROR:fhrecvstring():TIMEOUT:-1300 Out of the input range for the receive timeout count -1301 ERROR:fhrecvstring():NO CONNECTION: _ -1301 Calling in the unconnected state -1303 ERROR:fhrecvstring():RETRY:-1303 Receive retry count overrun -1304 ERROR:fhrecvstring():TIMEOUT:-1304 Receive timeout time is over.