Great suggestion JasonV.
There are also other ways of logging the data into a file. One of them is called Write to LabVIEW Measurement File.vi, located in the File IO pallette in All Functions. Another way is to log it using the Write to SpreadSheet File.vi. You can find examples of that in the Example Finder in LabVIEW 7.0. It is a very common application, and we have lots of examples both online and built-in.
Hope this helps,
Nathan
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Applications Engineer
National Instruments