USB-6008/6009 User Guide and Specifications 12 ni.com

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

AIt erminal, 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