National Instruments USB-6008/6009 Manual De Usuario

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USB-6008/6009 User Guide and Specifications
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Figure 7.  Example of a Differential 20 V Measurement
Connecting a signal greater than ±10 V on either pin results in a clipped 
output.
Figure 8.  Exceeding +10 V on AI Returns Clipped Output
Connecting Reference Single-Ended Voltage Signals
To connect reference single-ended voltage signals (RSE) to the 
USB-6008/6009, connect the positive voltage signal to the desired 
AI terminal, and the ground signal to a GND terminal. 
–5
–10
–15
–20
20
15
10
5
0
Amplitude (V)
AI 1
AI 5
Result
–5
–10
–15
–20
20
15
10
5
0
Amplitude (V)
AI 1
AI 5
Result