Collects input signals and returns the most recent data, up to the specified maximum number of samples per channel. When you call this Express VI repeatedly and the Express VI reaches the maximum number of samples per channel, the Express VI discards the oldest data and adds the newest data to the collected samples.


icon

Dialog Box Options

Option Description
Maximum number of samples

Specifies the maximum number of samples per channel you want the Express VI to collect. The default is 1000.

Inputs/Outputs

  • cexpdynwdt.png Signals —

    Contains the input signal or signals.

  • cbool.png Reset —

    Controls the initialization of the internal state of the VI. The default is FALSE.

  • cerrcodeclst.png error in (no error) —

    Describes error conditions that occur before this node runs.

  • cbool.png Enable —

    Enables or disables the Express VI. The default is ON or TRUE.

  • iexpdynwdt.png Collected Signals —

    Returns the most recent samples of collected data.

  • ierrcodeclst.png error out —

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

    • Examples

    Refer to the following example files included with LabVIEW.

    • labview\examples\Express VIs\Express VI - Collector.vi