Signal Connections; Table 3.2:Description Of Cn1 Pin Use; Figure 3.2:I/O Connector Pin Assignments For Cn1 - Advantech PCI-1736UP User Manual

3.3 Signal Connections

Table 3.2: Description of CN1 Pin Use
IDIn (n=0 ~ 15)
IDOn (n=0 ~ 15) Isolated digital output
EI.WCOM1
EI.WCOM2
EI.DCOM1
EI.DCOM2
PCOM1
PCOM2
E.GND1
E.GND2
Figure 3.2: I/O Connector Pin Assignments for CN1
Warning!
Isolated digital input
External common Vcc/GND of IDIn (n=0 ~ 7) in
Wet Contact mode
External common Vcc/GND of IDIn(n=8 ~15) in
Wet Contact mode
External common GND of IDIn (n=0 ~7) in Dry
Contact mode
External common GND of IDIn (n=8 ~15) in Dry
Contact mode
Free wheeling common diode for IDOn(n=0 ~7)
Free wheeling common diode for IDOn(n=8 ~15)
External ground for IDOn(n=0 ~7)
External ground for IDOn(n=8 ~15)
EI.WCOM, EI.DCOM and PCOM are totally different.
Please be careful to ensure correct connections.
25 Chapter 3