National Instruments FP-Al-110 用户手册
© National Instruments Corp.
7
FP-AI-110 and cFP-AI-110
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-110.
power supply to one channel of the [c]FP-AI-110.
Figure 7. Current Source with External Power Supply
Input Ranges
To prevent inaccurate readings, choose an input range such that the
signal you are measuring does not exceed either end of the range.
signal you are measuring does not exceed either end of the range.
V
SUP
V
IN
V
C
To Analog
Input Circuitry
To Next Channel
COM
[c]FP-AI-110
I
IN
Current
Source
1 A
Max
V
SUP
V
IN
V
C
To Analog
Input Circuitry
To Next Channel
COM
[c]FP-AI-110
I
IN
+
–
Loop-Powered
Current
Transducer
10–30 VDC
External
Power Supply
(Optional)
1 A
Max
2 A
Max