Chapter 2
Power and I/O
NI 17xx Smart Camera User Manual
2-4
ni.com
Figure 2-2.
Connecting External Sinking Output Sensors to Isolated Inputs
Isolated Outputs
Caution
Do
not
power the load connected to the isolated outputs with any external power
supply greater than 30 VDC. Voltages greater than 30 VDC may damage the NI Smart
Camera.
Caution
The isolated inputs and outputs on the smart camera provide an easy means for
preventing ground loops that could degrade signal integrity. The isolation on the smart
camera is
not
safety isolation.
S
en
s
or
Power
S
en
s
or
Common
NI 17xx
NPN (
S
inking)
O
u
tp
u
t Device
I
s
oIn(0)+
I
s
oIn(1)+
TrigIn–
I
s
oIn(0)–
I
s
oIn(1)–