Chapter 2 Installation
PCI-1761 User’s Manual
12
Advantech Co., Ltd.
www.advantech.com
2.3 I/O connectors
Pin Assignments
Figure 2-2 shows the pin assignments for the 37-pin I/O connector on the
PCI-1761
Fig. 2-2: I/O connector pin assignments
Description of pin use:
R0_NO
1
20
R3_NO
IDI
n
A* (
n
=0 ~ 7):
R0_COM
2
21
R3_COM
Isolated digital input A
R0_NC
3
22
R3_NC
IDI
n
B* (
n
=0 ~ 7):
R1_NO
4
23
R4_NO
Isolated digital input B
R1_COM
5
24
R4_COM
R
n
_NO(
n
=0 ~ 7):
R1_NC
6
25
R5_NO
Normally Open pin of relay output
R2_NO
7
26
R5_COM
R
n
_NC(
n
=0 ~ 7):
R2_COM
8
27
R6_NO
Normally Close pin of relay output
R2_NC
9
28
R6_COM
R
n
_COM(
n
=0 ~ 7):
R7_NO
10
29
N/A
Common pin of relay output
R7_COM
11
30
IDI 0B
IDI 0A
12
31
IDI 1B
IDI 1A
13
32
IDI 2B
IDI 2A
14
33
IDI 3B
IDI 3A
15
34
IDI 4B
IDI 4A
16
35
IDI 5B
Note:
IDI 5A
17
36
IDI 6B
Isolated Digital Input is bidiretional.
IDI 6A
18
37
IDI 7B
IDI 7A
19