ICP DAS USA PDS-700 Series, Руководство пользователя

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11. Click the “Digital Output” icon to change the high/low status of the DO.
Since all DI lines are connected to DO lines, the DI read value will be 0 when the DO
sends a high state, where as the DI read value will be
1.
7.2. Virtual I/O Commands Test
The DCON protocol is a request/reply communication protocol; it defines a simple
ASCII format protocol, such as $AAN, $AASi6 and #AAN, etc. used to access the PDS
and I-7000/8000/87K series I/O modules.
The Virtual I/O command sets are part of the DCON protocol used to access the digital
I/O lines of the PDS from the virtualized COM Port mapped to the I/O port. Only PDS
series modules equipped with digital I/O lines will respond to DCON requests.
The DCON Utility can be used to test the Virtual I/O commands:
(The DCON command sets are introduced in Chapter 7)