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Thread: Water Change Questions using DOS

  1. #1
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    Question Water Change Questions using DOS

    Hello. I have successfully configure my DOS to do a water change. I did this through the task to set up a water change. Worked great.

    Here is my question: I have two level switches attached to an FMM, one in the NewSaltWater tank, and one in my OldSaltWater Tank. How do I get these integrated into the current program so that if either one has a state changed...i.e. run out of new salt water or fill up the old salt water tank that it stops the DOS from doing the water change and sends me an alert and email?

    I have done some coding with my ATO, but since this one was set up with the Task, how do I change it to use these switches.

    Thanks in Advance...Craig

  2. #2
    Frequent Contributor zombie's Avatar
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    Click the gear and then hit the advanced tab. Inside that window add

    If OldSaltHighName CLOSED Then OFF
    If NewSaltLowName OPEN Then OFF

    You might be an engineer if...You have no life and can prove it mathematically.

  3. #3
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    Quote Originally Posted by zombie View Post
    Click the gear and then hit the advanced tab. Inside that window add

    If OldSaltHighName CLOSED Then OFF
    If NewSaltLowName OPEN Then OFF

    You might be an engineer if...You have no life and can prove it mathematically.
    Thanks do I need to do this on each side of the DOS? Or just one? Or is this at a higher level. Sorry for the ignorance. Thanks again...

  4. #4
    Frequent Contributor zombie's Avatar
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    For both.

    You might be an engineer if...You have no life and can prove it mathematically.

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