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Chapter 6 Digital I/O

Using a Digital Source

To use DI Pause Trigger, specify a source and a polarity. The source can be

any of the following signals:

• PFI <0..15>

•RTSI <0..7>

•PXI_STAR

• PXIe-DSTAR<A,B>

•Counter n Internal Output

•Counter n Gate

•AI Pause Trigger (ai/PauseTrigger)

•AO Pause Trigger (ao/PauseTrigger)

• DO Pause Trigger (do/PauseTrigger)

The source also can be one of several other internal signals on your DAQ

device. Refer to Device Routing in MAX in the NI-DAQmx Help or the

LabVIEW Help for more information.

Using an Analog Source

When you use an analog trigger source, the internal sample clock pauses

when the Analog Comparison Event signal is low and resumes when the

signal goes high (or vice versa).

Routing DI Pause Trigger Signal to an Output

Terminal

You can route DI Pause Trigger out to any RTSI <0..7>, PFI <0..15>,

PXI_STAR, or PXIe-DSTARC terminal.

Note Pause triggers are only sensitive to the level of the source, not the edge.

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National Instruments DAQ X Series User Manual

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