©
National Instruments Corp.
7
FP-AIO-600 and cFP-AIO-600
Figure 6 shows how to connect a voltage source with an external
power supply to one input channel of the [c]FP-AIO-600.
Figure 6.
Voltage Input with an External Power Supply
Current Inputs
The input ranges for current sources are
20, 0–20, and 4–20 mA.
FieldPoint software accounts for the 20% overranging feature and
shows the ranges accordingly. Figure 7 shows how to connect a
current source without an external power supply to one input
channel of the [c]FP-AIO-600.
Figure 7.
Current Input without an External Power Supply
V
SUP
V
IN
V
C
To Analog
Input Circuitry
To Next Channel
COM
Powered
Voltage
Transducer
OUT
+
–
10–30 VDC
External
Power Supply
+
–
[c]FP-AIO-600
I
IN
2 A
Max
2 A
Max
V
C
V
SUP
V
IN
COM
[c]FP-AIO-600
I
IN
To Analog
Input Circuitry
To Next Channel
Current
Source
63 mA
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