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Need help with Loops

Question asked by yekollu on Nov 2, 2009
Latest reply on Nov 9, 2009 by daras

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I have attached a program that i made....
My professor says that the 4 'To file' and the 'Start time', 'end time', 'collector' and the 'Delta time' blocks are inside the loop and he wants them outside the loops....
can someone help me here???... I know it has to do something with triggering the XEQ, but am not able to figure it out...

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davidb Nov 2, 2009 10:58 AM
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Hi,
I reckon that the Timer for the 2 second loop needs to have its T1 input from the start of the Until Break. Also the uppermost Collector should not intercept the data to the IF/THEN/ELSE, it should also be XEQd by the end of the Until Break.?? Perhaps a 2nd Timer is required to capture acquisition times?
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yekollu Nov 3, 2009 1:03 AM
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Well the acquisition times is not really important...he says the 4 To File are inside the loop, he wants them placed outside the loop...I checked with a friend of mine he was like "maybe you could connect the xeq to some other block" but he wasnt sure himself....
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WDrago Nov 2, 2009 12:06 PM
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The collectors have to be inside the loop, they won't work any other way. You could take the To File out of the loop if you store the collector data to a variable. Then, outside the loop, use the To Files.

I've done some cleanup of your program and maybe this will show you how things are normally done in VEE. (I have been working with VEE for almost 15 years now.) BTW, You don't need the clear terminal in the Counter object. There is still room for further improvement, but this is better than what you had.

See attached. Also look at the other program I sent to see how collectors are normally used.

-Bill
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- Version 5-SA.vee41.8 KB
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yekollu Nov 4, 2009 2:33 AM
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A million thanks to you.... i never knew that the variables could be used so....
Now my programs are looking a lot cleaner without all the cross connecting lines
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daras Nov 9, 2009 11:02 AM
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Your professor might call you a Smart A-- if you tell him this, but technically, the "To File" objects in your code are not inside the loop (at least as far as the execution sequence is concerned). Anything that is connected to the output of a collector does not execute until the collector's XEQ is pinged, which in your case is only when the loop is done, so technically that is outside of the loop even though it visually looks like it is in the loop. So if I were you, I wouldn't change a thing, but then again I always enjoyed picking on my professors in school
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Need help with Loops

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