NI 9478 Operating Instructions and Specifications 6 ni.com
Connecting the NI 9478

The NI 9478 has a 37-pin DSUB connector that provides

connections for the 16 digital output channels.

Figure 1. NI 9478 Pin Assignments

DO0
DO1
DO2
DO3
DO4
DO5
DO6
DO7
Vsup
Vsup
DO8
DO9
DO10
DO11
DO12
DO13
DO14
DO15
NC
COM
COM
COM
COM
COM
COM
COM
COM
Vsup
Vsup
COM
COM
COM
COM
COM
COM
COM
COM
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