Figure 5.
Connecting a Differential Device
2 A
Max
Vsup
COM
Vout
Vin
GND
Differential
Device
External
Power
Supply
NI 9361
+
–
DI0+
DI0–
+
–
COM
The NI 9361 measures the difference between the DI+ and DI-
terminals to determine if that difference is greater or less than the
digital logic levels. If the difference between the terminals is
within the input high range, the channel registers as high. If the
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NI 9361 Getting Started Guide
