Contec DIO-96D2-LPCI, Руководство пользователя, Страница: 52 / 65

4. Function
DIO-96D2-LPCI
45
Data I/O
I/O signals are TTL levels and positive logic.
Input
When input data is low level, [0] is input to the corresponding bit.
When input data is high level, [1] is input to the corresponding bit.
Output
When [0] is output to the corresponding bit, low level is output to the external part.
When [1] is output to the corresponding bit, high level is output to the external part.