©
National Instruments Corp.
7
FP-AI-100 and cFP-AI-100
Figure 6 shows how to connect a current source without an external
power supply to one channel of the [c]FP-AI-100.
Figure 6.
Current Source without External Power Supply
Figure 7 shows how to connect a current source with an external
power supply to one channel of the [c]FP-AI-100.
Figure 7.
Current Source with External Power Supply
V
sup
I
in
V
C
To Analog
Input Circuitry
To Next
Channel
100
Ω
COM
[c]FP-AI-100
Current
Source
V
sup
I
in
V
C
To Analog
Input Circuitry
To Next
Channel
100
Ω
COM
[c]FP-AI-100
Loop-Powered
Current
Transducer
External
Power
Supply
+
–