Change the speed of data acquisition
I record the temperature using a PSC-2120 (cFP-TC-120 + capable). Could someone please explain me how to slow the acquisition of data to make each minute rather than each MS that's for two reasons. First the data file are produced get so large that excel do not all data from a spreadsheet and Notepad can not open them. I had a .lvm file which was more than 700 MB of the day to the next. Second, the data is displayed on a graph when it is saved (left hand on the vi graph), but he is drawn as a variant rates. Sometimes it's every millisecond, others it's every few seconds.
I enclose my VI, but I can't reach my text file is too lig must be downloaded (it was after 10 min data recording)
Thank you
Chaz
Hi Chaz,
Thanks for the post and I hope that your well.
To change the rate of datalogging, you will need to use the timing of the loop. You can do this with a (better) timed loop or with vi timing structure (for example, wait until the next multiple) in the loop (good). This knowledge base article, he explains in detail,
How to set the analog input of my FieldPoint Modules rate?
http://digital.NI.com/public.nsf/allkb/3DCBB324D23FD637862571320066AA7A?OpenDocument
Hope this helps,
Tags: NI Software
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