Contec PI-32B(PCI)H, User Manual

Page: 36 / 65

3. External Connection
PIO-16/16B(PCI)H, PI-32B(PCI)H, PO-32B(PCI)H 29
Pin Assignments of Interface Connector <PI-32B(PCI)H>
I-00 - I-37 32 input signal pins. Connect output signals from the external device to these pins.
P0, P1
When the external power supply is selected, its positive side is connected to this pin.
When the internal power supply is used, this pin outputs power at +12 V. These pins are
common to 16 input signal pins.
N0, N1
When the external power supply is selected, its negative side is connected to this pin.
When the internal power supply is selected, this pin serves as the ground. These pins are
common to 16 input signal pins.
N.C. This pin is left unconnected.
Figure 3.3. Pin Assignments of Interface Connector <PI-32B(PCI)H>
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
N0
I-00
I-01
I-02
I-03
I-04
I-05
I-06
I-07
I-10
I-11
I-12
I-13
I-14
I-15
I-16
I-17
P0
N.C.
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
N1
I-20
I-21
I-22
I-23
I-24
I-25
I-26
I-27
I-30
I-31
I-32
I-33
I-34
I-35
I-36
I-37
P1
+0 port
(input)
+1 port
(input)
+2 port
(input)
+3 port
(input)
Common plus pin for
+0/+1 input ports
Common plus pin for
+2/+3 input ports
Common minus pin for
+2/+3 input ports
Common minus pin for
+0/+1 input ports
All of I-00 - I-37 can be used as interupt inputs.