
Chapter 4: Programming the Rhino2
103
4.4.9.2
Active States
The input pins can be set to the following active states:
Low
- Input is active when pulled down, inactive when open or pulled up
High
- Input is active when pulled up, inactive when open or pulled down
Open
- Input is active when open, inactive when pulled up or pulled down
Low or High
- Input is inactive when open, active when pulled up or pulled down
Low or Open
- Input is inactive when pulled up, active when open or pulled down
High or Open
- Input is inactive when pulled down, active when open or pulled up
To pull up an input, connect it to B+. To pull down an input, connect it to B-.