National Instruments NI 9234 - Manual (Page 8)

NI 9234 Operating Instructions and Specifications 8 ni.com
Refer to Figures 2 and 3 for illustrations of connecting grounded
and floating signal sources to the NI 9234.
Figure 2. Connecting a Grounded Signal Source to the NI 9234
NI 9234
AI+
AI–
+
–
Signal
Source
Common
Mode
Voltage