How do you make a VI save waveform data relative to the number of iterations that happen? (EX one save for every ten iterations​)

And I was also wondering if you could alter the amount of time it takes for a loop to iterate, that way, if I wanted it to save every five hundred miliseconds, I could make it save every, say, ten iterations, and make the loop iterate every fifty ms.
 Im running LV 8.5.1
Here is my code; 
Attachments:
PartsIII.vi ‏106 KB

I know what the question mark is. I don't know what the "other boolean" you were referring to is.
See the attached file.
Double check the file.  I took the VI you posted in message #1, but it seems to be an older and incorrect version (problems with the reference wire being the datatype for the queue and a feedback node thrown in as well) that didn't match the image you have posted in message #1.
Message Edited by Ravens Fan on 08-21-2009 03:31 PM
Attachments:
PartsIII[1].vi ‏88 KB

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