Getting Started With Dio Applications In Software - National Instruments NI USB-621x User Manual

Chapter 8 Digital I/O

Getting Started with DIO Applications in Software

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.
NI USB-621x User Manual
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
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