set_digital_output(index, val =None)

Features

This function sends a signal at the digital contact point of the controller. A value saved in the digital output register is output as a digital signal.

Parameters

Parameter Name

Data Type

Default Value

Description

index

int

-

I/O contact number mounted on the controller

Val argument existing: A number between 1 and 16
No val argument: 1 ~ 16 , -1 ~ -16

(A positive number means ON while a negative number means OFF.)

val

int

-

I/O value

ON: 1
OFF: 0

Note

If val is omitted, positive numbers become ON and negative numbers become OFF depending on the sign (+/-) of the index.

Return

Value	Description
0	Success
Negative value	Failed

Exception

Exception	Description
DR_Error (DR_ERROR_TYPE)	Parameter data type error occurred
DR_Error (DR_ERROR_VALUE)	Parameter value is invalid
DR_Error (DR_ERROR_RUNTIME)	C extension module error occurred
DR_Error (DR_ERROR_STOP)	Program terminated forcefully

Example

PY

set_digital_output(1, ON)	        # No. 1 contact ON
set_digital_output(16, OFF)	# No. 16 contact OFF
set_digital_output(3)		#No. 3 contact ON (A positive number means ON if the argument val is omitted.)  
set_digital_output(-3)		#No. 3 contact OFF (A negative number means OFF if the argument val is omitted.)