Digital I/O Pinout and Connections

Digital I/O Pinout and Connections

Caution  Exceeding the maximum input voltage ratings or maximum output ratings, which are listed in the NI VirtualBench Specifications document, can damage the device and the computer. National Instruments is not liable for any damage resulting from such signal connections.

Digital I/O Pinout

Digital I/O Signal Descriptions

Signal Name	Direction	Description
	—	Ground—The reference point for the digital signals and +3.3 V supply at the I/O connector.
+3.3V	Output	+3.3 V Power Source—Provides +3.3 V power output up to 20 mA.
dig/<0..7>	Input or Output	Digital I/O Channels 0 to 7. User selectable functions.

Caution  Never connect the +3.3 V power terminal to analog or digital ground or to any other voltage source on VirtualBench or any other device. Doing so can damage the device and the computer. NI is not liable for damage resulting from such a connection.

Related information

What Can I Do with the Digital I/O?