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About rscott9399

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LabVIEW Information

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    LabVIEW 2017
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  1. I have a need to hit several front panel buttons of a sub vi in sequence. The sub VI houses an event structure that must happen in order to make a certain thing happen. I have a flat sequence structure. that turns off and on local variables that are then fed into the sub VI. The subVI is called in its own while loop. the flat sequence is running and the local variables are changing correctly. However, the subVI in the while loop will not execute causing the event structure inside the subVI to not detect a change and nothing happens The while loop that contains the subvi has no connects in or out of it, its all local variables Any recommendations on how to fix this? Thanks
  2. My only other issue is, I am triggering my Latch reset with a falling edge trigger. The clock that is running the latch is only running at the speed of a while loop. It is causing me to miss the falling edge sometimes. Do you have any suggestions Thanks Setting the Feedback node like this to false did not work I need to find a way to guarantee it
  3. Hi there, Thanks So when i wrote the VI i notices it automatically populated a feedback node If i tried to delete it , i could not compile. So the feedback node is my answer but need to understand how to use it. I know my Q output to initialize to false and my Q not to be high I will read the link you sent me. Thank you
  4. Having trouble initializing a flip flop VI i wrote It starts up in whatever state it wants. How can i force a particular state? Its just an SR latch Thanks in advance
  5. This is the way i did it. Seems to work ok Broke it down into an array and then concat it back together with just the pieces i wanted. One caveat , when it strips it out, it looses the ":" colon in C drive, so concat a constant with it. Thanks for the suggestions. Been a few years since i have worked with LV and getting back into the swing
  6. Quick question for you all Say you have two nested case structures on the RT side of a CRIO Just with simple true and false conditions Say the outer one is true and that allows you to get into the inner one While the inner one is executing the outer one eventually turns false I am having an issue with the inner case stuck executing because for some reason the outer case is never evaluated again Any ideas? Thanks
  7. Hi all Trying to use a network published variable to control the event structure of something in an RT loop of a rio project. When i try and add an event, it wont let me have access to that variable. Any ideas? Maybe create a local variable?
  8. Ok so this allows Cdaw devices to run on the CRIO then as i understand it?
  9. Thanks for all the replies Generally speaking is DAQMX software or hardware? I seem to find references to both?
  10. I thank you for your reply However , i am a bit confused You mean to tell me that because the event structure is waiting for an event, it is going to sit there and hose the rest of the system doing nothing until it gets an event? How are other VI's executing then? Thanks in advance
  11. The procedure would not work with the CRIO just in SAFE mode For some interesting reason i could only format the machine if it was not only in safe mode but also IP RESET mode Just incase someone else has the same issue.
  12. Correct! One of my favorites
  13. Thanks for the replies I appreciate the help
  14. I was able to come up with a solution so this can be closed. Thanks
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