National Instruments NI 9234, Начало работы

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Figure 1. NI 9234 Pinout
AI3+
AI3–
AI2+
AI2–
AI0+
AI0–
AI1+
AI1–
Tip
To minimize ground noise, prevent the metal shells of the BNC
connectors from coming in contact with each other, the modules, or the
chassis.
Signal Descriptions
Signal Signal Description
AI+ Provides DC excitation (when enabled) and positive input signal connection
AI- Provides excitation return path and signal ground reference
Table 1. Signal Descriptions
Connecting Floating Differential Signals
You can connect floating differential signals to the NI-9234.
Figure 2. Connecting Floating Differential Signals to the NI-9234
NI 9234
AI+
AI–
+
–
Signal
Source
© National Instruments
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NI-9234 Getting Started