How to check that I have don't last any time during acquisition?

Hello

I need to make a continuous acquisition of data using the map OR SMU 5162 that is why I wonder if there is a property in labview node or a program that shows if I lost any points during acquisition?

I really need the answer! Thank you

Hajar8,

When you start an acquisition, all samples are stored in the memory embedded in a circular buffer.  Then use "Fetch niScope" to request the data from the memory, and the samples are sent via DMA to host and your application.  Because the buffer is a circular buffer, if you retrieve records fast enough (or the sample rate is too fast), then its possible for acquisition to fill all of the on-board memory and then start to crush old samples.  No error is thrown when this happens when you use the SMU-5162.  Instead of this, when you try to extract the data that has been overwritten, the VI "niScope Fetch" will return the following error:

«Error 107411863 occurred to niScope Fetch...»

Possible reasons:

The requested data has been overwritten in memory, so it is no longer available for pick up. »

I hope this helps.

-Nathan

Tags: NI Products

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