National Instruments sbRIO-9637 User Manual

Table 16. Differential Analog Input Signals (Continued)
Channel Signal + Signal -
2 AI2 AI10
3 AI3 AI11
4 AI4 AI12
5 AI5 AI13
6 AI6 AI14
7 AI7 AI15
The following figure shows how to make a differential connection for a floating signal and for
a ground-referenced signal.
Figure 25. Differential Connections with Floating and Grounded Signal Sources
+
–
R
D
R
D
+
–
RD = 100 kΩ – 1 MΩ
AI+
AI–
AI GND
Floating
Signal Source
+
–
+
–
AI+
AI–
AI GND
Grounded
Signal Source
Connecting Analog Input Signals
The following table summarizes the recommended input configuration for both types of signal
sources.
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National Instruments sbRIO-9637 Specifications

General

Brand	National Instruments
Model	sbRIO-9637
Category	Controller
Language	English