Advantech PCI-1736UP, Руководство пользователя

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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.