Chapter 4
Connecting Lighting and External Devices
©
National Instruments Corporation
4-5
NI 177x Smart Camera User Manual
Use this protection method if you connect any of the open collector outputs
directly to an inductive load.
Connect the NI 177x Smart Camera output and the negative side of the load
to the diode anode and connect the positive side of the load to a +24 V
power supply and the diode cathode, as illustrated in Figure 4-4.
Connect the ground of the NI 177x Smart Camera and the inductive load
device to a common ground.
Note
Each open collector output can sink up to 100 mA.
Figure 4-4.
Connecting to an External Inductive Load Device
OUT0
GND
GND
S
inking inp
u
t
PNP-comp
a
tible
PLC device
NI 177x
S
m
a
rt C
a
mer
a
I/O connector
Extern
a
l
diode
+24 V m
a
x
Summary of Contents for NI ISC-1772C
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