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DAQmx Read (Single Sample) (G Dataflow)

Last Modified: February 6, 2017

Reads a 32-bit unsigned integer sample from a counter task. Use an instance that reads 32-bit unsigned integers when NI-DAQmx returns counter samples unscaled, such as for event counting.

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task in

task in is the name of the task that the operation applies.

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error in

error in describes error conditions that occur before this node runs. This input provides standard error in functionality.

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timeout

timeout specifies the amount of time in seconds to wait for samples to become available. If the time elapses, the node returns an error and any samples read before the timeout elapsed. The default timeout is 10 seconds. If you set timeout to -1, the node waits indefinitely.

If you set timeout to 0, the node tries once to read the requested samples and returns an error if it is unable to.

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task out

task out is a reference to the task after this node runs.

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error out

error out contains error information. This output provides standard error out functionality.

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data

data returns a sample.

Where This Node Can Run:

Desktop OS: Windows

FPGA: LabVIEW NXG does not support FPGA devices


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