NI-Scope Not Enough LabVIEW Memory When Fetching

Updated May 3, 2018

Reported In

Hardware

  • PXI Digitizer

Software

  • LabVIEW

Driver

  • NI-SCOPE

Issue Details

When using LabVIEW to perform a single record acquisition with an NI-Scope product, my application hangs or gives a LabVIEW memory error while attempting to fetch the samples.  I'm using a single fetch call to grab all of the samples after the acquisition completes.

Solution

This happens when you are trying to bring too many samples into LabVIEW memory at one time.  To get around this, fetch the record in chunks instead of all at once.  The niScope EX Fetch In Chunks. vi shipping example demonstrates how to do this.

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