Table Of Contents

IviScope Configure Acquisition Type (G Dataflow)

Version:
    Last Modified: October 24, 2017

    Configures how the oscilloscope acquires data and how it fills the waveform record.

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    acquisition type (Normal)

    Specify the manner in which you want the oscilloscope to acquire data and fill the waveform record. The driver sets the IviScope>>Acquisition>>Acquisition Type to this value. Defined Values:

    IVISCOPE_VAL_NORMAL Sets the oscilloscope to the normal acquisition mode. The oscilloscope acquires one sample for each point in the waveform record. The oscilloscope can use real-time or equivalent-time sampling.
    IVISCOPE_VAL_PEAK_DETECT Sets the oscilloscope to the peak-detect acquisition mode. The oscilloscope oversamples the input signal and keeps the minimum and maximum values that correspond to each position in the waveform record. The oscilloscope uses only real-time sampling.
    IVISCOPE_VAL_HI_RES Sets the oscilloscope to the high-resolution acquisition mode. The oscilloscope oversamples the input signal and calculates an average value for each position in the waveform record. The oscilloscope uses only real-time sampling.
    IVISCOPE_VAL_ENVELOPE Sets the oscilloscope to the envelope acquisition mode. The oscilloscope acquires multiple waveforms and keeps the minimum and maximum voltages it acquires for each point in the waveform record. You specify the number of waveforms the oscilloscope acquires with the IviScope Configure Number of Envelopes[MmW] node. The oscilloscope can use real-time or equivalent-time sampling.
    IVISCOPE_VAL_AVERAGE Sets the oscilloscope to the average acquisition mode. The oscilloscope acquires multiple waveforms and calculates an average value for each point in the waveform record. You specify the number of waveforms the oscilloscope acquires with the IviScope Configure Number of Averages [AA] VI. The oscilloscope can use real-time or equivalent-time sampling.
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    Note  

    When you set this parameter to IVISCOPE_VAL_ENVELOPE or IVISCOPE_VAL_PEAK_DETECT, the oscilloscope acquires minimum and maximum waveforms. To retrieve the minimum and maximum waveforms, use the IviScope Read Min Max Waveform [MmW] and IviScope Fetch Min Max Waveform [MmW] nodes.

    Default: IVISCOPE_VAL_NORMAL

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    instrument handle out

    The instrument handle that you obtain from the IviScope Initialize or IviScope Initialize With Options node. The handle identifies a particular instrument session.

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    instrument handle

    The instrument handle that you obtain from the IviScope Initialize or IviScope Initialize With Options node. The handle identifies a particular instrument session.

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    error out

    Error information.

    The node produces this output according to standard error behavior.

    Standard Error Behavior

    Many nodes provide an error in input and an error out output so that the node can respond to and communicate errors that occur while code is running. The value of error in specifies whether an error occurred before the node runs. Most nodes respond to values of error in in a standard, predictable way.

    error in does not contain an error error in contains an error
    If no error occurred before the node runs, the node begins execution normally.

    If no error occurs while the node runs, it returns no error. If an error does occur while the node runs, it returns that error information as error out.

    If an error occurred before the node runs, the node does not execute. Instead, it returns the error in value as error out.
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    error in

    Error conditions that occur before this node runs.

    The node responds to this input according to standard error behavior.

    Standard Error Behavior

    Many nodes provide an error in input and an error out output so that the node can respond to and communicate errors that occur while code is running. The value of error in specifies whether an error occurred before the node runs. Most nodes respond to values of error in in a standard, predictable way.

    error in does not contain an error error in contains an error
    If no error occurred before the node runs, the node begins execution normally.

    If no error occurs while the node runs, it returns no error. If an error does occur while the node runs, it returns that error information as error out.

    If an error occurred before the node runs, the node does not execute. Instead, it returns the error in value as error out.

    Default: No error

    Where This Node Can Run:

    Desktop OS: Windows

    FPGA: Not supported

    Web Server: Not supported in VIs that run in a web application


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