Contec PIO-16/16L(CB)H, Руководство пользователя

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4. Function
PIO-16/16L(CB)H
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4. Function
This section describes the features of the PC card.
Each function described here can be easily set and executed by using the bundled API driver library. For
details, refer to API-DIO HELP available after installation.
Data I/O Function
Data Input
When the input data is “ON”, “1” is input to the relevant bit.
When the input data is “OFF”, in contrast, “0” is input to the relevant bit.
Data Output
When “1” is output to the relevant bit, the corresponding transistor is set to “ON”.
When “0” is output to the relevant bit, in contrast, the corresponding transistor is set to “OFF”.
CAUTION
When the PC is turned on, all output are reset to 0 (OFF).
Monitoring Output Data
The PIO-16/16L(CB)H can read the state of the data currently being output without affecting the output
data.