©
National Instruments Corp.
11
NI 9472/9474
Yo
u
can directly connect the NI 9472/9474 to a variety of ind
u
strial
devices s
u
ch as solenoids, motors, act
u
ators, relays, and lamps.
Make s
u
re the devices yo
u
connect to the NI 9472/9474 are
compatible with the o
u
tp
u
t specifications of the mod
u
le. Refer to
the
Specifications
section for more information abo
u
t the o
u
tp
u
t
specifications.
Connect the device to DO and connect the common of the device
to COM. Refer to Fig
u
re 3 for an ill
u
stration of how to connect a
device to the NI 9472/9474.
Figure 3.
Connecting a Device to the NI 9472/9474
External
Power
S
u
pply
NI 9472/9474
+
_
COM
V
su
p
Device
DO
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