How to record a fixed time of dynamic data interval when acquiring continues?

Hi, maybe someone has an idea how to solve this problem:

I do the continuous acquisition of dynamic data and when I see something interesting, I would like to save some data (i.e. the last 90 seconds). I guess the first step is written data in a table? I can set up the table so that it always contains just the last N seconds (or last N points, discard the rest as the measure of the loin) so I can then save this data, for example by pressing a button (possibly without stopping the .vi, or maybe just a break it.) This last step is not necessary)?

Thanks for all the suggestions!

Hi Tomaz79,

You can generate as a black box on an airplane. You can initialize an array with the size of your 90 s write all data in this table by crushing at the specified index. With Quotient & rest, you will get the correct index for the next value. If you find your compelling value, you can be sure you'll get the last dry 90.

Mike

Tags: NI Software

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