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25 Chapter 3

3.3 Signal Connections

Figure 3.2: I/O Connector Pin Assignments for CN1

Table 3.2: Description of CN1 Pin Use

IDIn (n=0 ~ 15) Isolated digital input

IDOn (n=0 ~ 15) Isolated digital output

EI.WCOM1 External common Vcc/GND of IDIn (n=0 ~ 7) in

Wet Contact mode

EI.WCOM2 External common Vcc/GND of IDIn(n=8 ~15) in

Wet Contact mode

EI.DCOM1 External common GND of IDIn (n=0 ~7) in Dry

Contact mode

EI.DCOM2 External common GND of IDIn (n=8 ~15) in Dry

Contact mode

PCOM1 Free wheeling common diode for IDOn(n=0 ~7)

PCOM2 Free wheeling common diode for IDOn(n=8 ~15)

E.GND1 External ground for IDOn(n=0 ~7)

E.GND2 External ground for IDOn(n=8 ~15)

Warning! EI.WCOM, EI.DCOM and PCOM are totally different.

Please be careful to ensure correct connections.

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Advantech PCI-1736UP Manuale Utente Pagina 31