Connecting Sourcing-Output Devices - National Instruments NI 9437 Getting Started Manual

Connecting Sourcing-Output Devices

You can connect sourcing-output devices to the NI 9437. You must
connect a supply voltage to the V
channels on the NI 9437 read ON or OFF depending on the
threshold set by the V
2/3 of the supply voltage on the V
Figure 3. Connecting a Sourcing-Output Device
+
External
Power
Supply
–
10 | ni.com | NI 9437 Getting Started Guide
SUP
pin. The V
SUP
SUP
Sourcing-Output
Device
pin on the NI 9437. Input
threshold is approximately
SUP
pin.
DI
V
SUP
2/3
COM
≥
NI 9437