Chapter 8 Digital I/O
NI USB-621x User Manual 8-4 ni.com
Getting Started with DIO Applications in Software
You can use the M Series device in the following digital I/O applications:
• Static digital input
• Static digital output
• Digital waveform generation
• Digital waveform acquisition
• DI change detection
Note For more information about programming digital I/O applications and triggers in
software, refer to the NI-DAQmx Help or the LabVIEW 8.x Help.