User manual

9 PCI-1750 User Manual
Chapter 2 Installation
2.5 Connector Pin Assignments
Description of pin use:
IDI 0 ~ IDI 15: Isolated digital input pins
IDO 0 ~ IDO 15: Isolated digital output pins
IGND: Isolated ground
COM1: Common pin for connecting inductive loads of isolated output
channels IDO 0 ~ IDO 7
COM2: Common pin for connecting inductive loads of isolated output
channels IDO 8 ~ IDO 15
Counter2: Input pin of isolated counter (shared with IDI 15)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
IDI 1
IDI 3
IDI 5
IDI 7
IDI 9
IDI 13
IDI 15/Counter 2
IGND
IGND
IDO 1
IDO 3
IDO 5
IDO 7
IDO 9
IDO 11
IDO 13
IDO 15
IDI 11
IDI 0
IDI 2
IDI 4
IDI 6
IDI 8
IDI 12
IDI 14
IGND
COM1
IDO 0
IDO 2
IDO 4
IDO 6
IDO 8
IDO 10
IDO 12
IDO 14
COM2
IDI 10
Warning!
Be careful when wiring digital input lines. Never apply a negative voltage
to the isolated input pins, as this may damage the PCI-1750.