In the sinking configuration, discrete input devices block (off) or pass (on) DC current to ground as shown below:

|
Applicable to: |
ST-DI-005-08F |
|
|
ST-DI-024-08F |
|
|
ST-DI-048-08F |
|
|
|
|
Not Applicable to: |
ST-DI-120-08F |
|
|
ST-DI-240-08F |
|
See also: |
|
|
|