Generating a DC Signal with NI-DAQmx Devices

In the DAQmx Generate step, select 1 Sample (On Demand) in the Generation Mode pull-down menu. You can select a programmatic input to generate, or you can remove the checkmark from the Use Programmatic Input checkbox and specify a value to generate in the Value to Write field.

Note  Refer to the NI-DAQmx Help for more information about generating data.