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From: penga on 23 Feb 2007 18:10
first of all, please don't flame me for being a labview newb, I'm a power student who isn't used to program structure, and I'm still learning.
 
I'm reading from a Yokogawa wattmeter GPIB in Labview 7.0 express, and I can get the data just fine.  I want to collect this data over time, since the variac will be moving the voltage/wattage all over the place as the lab students experiment. 
 
Here's what I have so far:
<img src="http://i41.photobucket.com/albums/e275/penga_art/wips/help.jpg">
My output excel file contains only three values, and doesn't create a list of values at all.&nbsp; My guess is that i'm either using the wrong array function, or that the array is rewriting itself everytime the loop starts over.&nbsp; If I move it out of the loop, it wouldn't actually write anything to the array until after the loop ends, which doesn't seem like it would help.
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Any help would be appreciated, thanks!
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(oh and on a side note, is there a way to speed up the program? Everything is running synchronously, but it still seems rather slow.)
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