Connecting Single-Ended Devices with Open
Collector Outputs
You can connect a device with open collector or open drain outputs to the NI-9361.
Figure 3. Connecting a Single-Ended Device with Open Collector Outputs
Vsup
COM
Vout
2 A
max
Vin
GND
Open
Collector
Device
External
Power
Supply
NI 9361
OUT
DI0+
+
–
COM
DI0–
+5 V
An open collector device does not actively drive the signal high and relies on an
external pull-up. The NI-9361 provides a 5 V pull-up on each DI+ pin that can be
enabled individually to pull the signal high.
© National Instruments
7
NI-9361 Getting Started
To Next Page
Loading...
Need help?
General
