Definition
get_digital_input(index)
Features
This function reads the signals from digital contact points of the controller and reads the digital input contact value.
Parameters
|
Parameter Name |
Data Type |
Default Value |
Description |
|---|---|---|---|
|
index |
int |
- |
A number 1 - 20 which means the contact number of I/O mounted on the controller.
|
Return
|
Value |
Description |
|---|---|
|
1 |
ON |
|
0 |
OFF |
|
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
Python
in1 = get_digital_input(1) # Reads the no. 1 contact
in8 = get_digital_input(8) # Reads the no. 8 contact
Keyword
get / digital / input / get_ / get_digital / digital_input