National Instruments 9201 用户手册

The NI 9201/9221 provides connections for eight analog input 
channels.

Figure 2.  NI 9201/9221 Terminal and Pin Assignments

AI0
AI1
AI2
AI3
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AI5
AI6
AI7
NC
COM

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COM
NC
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COM
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NC
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COM

AI0
NC
AI1
AI2
NC
AI3
AI4
NC
AI5
AI6
NC
AI7

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