NI USB-9264 User Guide and Specifications
10
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Wiring the NI USB-9264 Device
The NI USB-9264 has a 36-terminal detachable spring-terminal connector
that provides connections for 16 analog output channels.
Caution
A high voltage screw terminal backshell must be installed when using hazardous
voltages (>42.4 V
pk
, 60 VDC).
Figure 7.
NI USB-9264 Terminal Assignments
Each channel of the NI USB-9264 has a terminal to which you can connect
the positive lead of a load. Each channel also has a common terminal,
COM, and there are four additional COM terminals at the bottom of the
connector. All of the COM terminals are internally connected to the
isolated ground reference of the module. When connecting a load to the
NI USB-9264, connect the positive lead of the load to the AO terminal, and
the ground of the load to a COM terminal. Refer to Figure 8 for an
illustration of connecting a load to the NI USB-9264.
Figure 8.
Connecting a Load to the NI USB-9264
AO0
AO1
AO2
AO3
AO4
AO5
AO6
AO7
AO8
AO9
AO10
AO11
AO12
AO13
AO14
AO15
COM
COM
COM
COM
COM
COM
COM
COM
COM
COM
COM
COM
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
COM
AO
Load
NI USB-9264
