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7. Virtual I/O
PDS series modules provide digital I/O lines, including PDS(M)-721(D), PPDS(M)-
721(D)-MTCP, PDS(M)-732(D), PPDS(M)-732(D)-MTCP, PDS(M)-734(D), PPDS(M)-
734(D)-MTCP, PDS(M)-743(D), PPDS(M)-743(D)-MTCP, PDS(M)-762(D), PPDS(M)-
762(D)-MTCP. The DI is 0 ~ 30 V
wide range Digital Input, while the DO is 30 V/100
DC
mA (max.), current sink, open collector digital output. These digital I/O lines can be used
to control relays, actuators, switches, etc.
7.1. Testing the Virtual I/O
1. Connect the PDS series module to the Ethernet, finalize the configuration setup
procedure and complete the Virtual COM test, as described in Chapter 4.
2. Power-on the PDS series module.
3. Connect the DO (n) to the DI (n).
For example, the PDS-734 with a 4-port DI/DO
Connect DO 0 to DI 0, DO 1 to DI 1, DO 2 to DI 2 and DO 3 to DI 3.
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