Use the DAQmx Real Time VIs and function to configure and perform real-time operations.

DAQmx Wait For Next Sample Clock VI
Waits until the next pulse of the Sample Clock occurs. If an extra Sample Clock pulse occurs between calls to this VI, the second call returns an error or warning and waits for the next Sample Clock pulse. Use the Convert Late Errors to Warnings DAQmx Real-Time property to specify whether this VI returns errors or warnings. If that property is TRUE, any warnings this VI returns do not include the source string.
DAQmx Real-Time Property Node
A Property Node with the DAQmx Real-Time class preselected. Right-click the Property Node and choose Select Filter from the shortcut menu to make the Property Node show only the properties supported by a particular device installed in the system or supported by all the devices installed in the system.
Timed Loop
Use the DAQmx Timed Loop VI and function to create and configure timing sources for Timed Loops.

Parent topic: DAQmx - Data Acquisition

NI-DAQmx VI and Function Reference

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