Connecting Single-Ended Voltage Signals

To connect referenced single-ended voltage signals to the NI USB-7856R, you must connect the voltage ground signal to AI GND in order to keep the common-mode voltage in the specified range.

Figure 3. Connecting Referenced Single-Ended Signals to the NI USB-7856R

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To connect non-referenced single-ended voltage signals to the NI USB-7856R, you must connect the voltage ground signal to AI SENSE in order to keep the common-mode voltage in the specified range.

Figure 4. Connecting Non-Referenced Single-Ended Signals to the NI USB-7856R

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