VI data on average compared to the data from the Excel file on average .lvm
I am trying to build a .VI to measure voltages on a channel of a transducer of pressure for a period of 3 minutes. I would like the .VI to write all the samples of blood to a file .lvm with another .lvm file that comes from the average voltage over the period of 3 minutes. I built a .VI making everything above so I think that... The problem I'm running into is when I opened the file .lvm of all samples of blood in MS Excel and take the average of them using the built-in Excel function (= AVERAGE(B23:B5022) for example) averaged and compare it to the .lvm file, which has just 3 minute average .VI voltage, they do not correspond to the top.
This makes me wonder if I use VI with an average of function correctly or if maybe VI averages data different voltage than what is written in the .lvm file.
Does anyone know why the two averages are different and how I can match.
I have attached a picture of my functional schema with the file .VI for clarity.
The Type of dynamic data of LabVIEW you use is a special data type that can take many forms. It therefore requires the use "Of DDT" and "DDT" for the conbert to and from other data types. These special conversion functions can be configured by double-clicking them and specifying the format you are converting from. You can find the functions on the pallet handling Express-Signal.
I've attached a screenshot of the modification of the code using the "DDT" and the average is very good.
Please mark this as accepted such solution and/or give Kudos if it works for you. We appreciate the sides for our answers.
Thank you
Dan
Tags: NI Software
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