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Thread: SV-1 Control Type

  1. #1
    Regular Vistor
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    SV-1 Control Type

    New Apex user here, trying to get familiar with my new toy before my new tank arrives.
    I am confused about what control type to use for the SV-1?
    I will use it to fill a RODI tank that will have hi and low optical sensors.

    Do I pick advanced and put in code as below:

    Fallback OFF
    Set OFF
    If SW1 OPEN Then ON (low water sensor)
    If SW2 CLOSED Then OFF (High water sensor)
    When On > 060:00 Then OFF (may need to adjust but want a max time the valve will stay on for)

    Side question: can comments be put into Apex code for future reference?
    sv1 type.jpg

  2. #2
    Frequent Contributor zombie's Avatar
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    You use advanced except you shouldn't use the set OFF in this application. There is no way to add comments. Your best bet in that regard is to name your outlets and switches in a way that is easy to follow.

    Sent from my SM-G965U using Tapatalk

  3. #3
    Regular Vistor
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    awesome, thanks for the quick reply.
    I setup my code as below, BASELK is basement leak detector. I also added 'If BASELK CLOSED Then ON' to base_email to get an email if leak detected.
    This all look right?
    What do the defer commands do that I see being added? Should I have those as well?

    Fallback OFF
    If RODI_L OPEN Then ON
    If RODI_H CLOSED Then OFF
    If BASELK CLOSED Then OFF
    When On > 060:00 Then OFF

  4. #4
    Frequent Contributor zombie's Avatar
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    Defer 000:10 Then ON

    Means the programming for outlet must be ON for 10 seconds before physically turning it ON. Then OFF means the same but replace ON with OFF. It's used for in RODI programming so the apex is "sure" the sensors actually changed state and weren't just a wave or noise spike before activating.

    Defer 000:10 Then ON
    Defer 000:04 Then OFF

    Works well in most scenarios.

    Sent from my SM-G965U using Tapatalk

  5. #5
    Regular Vistor
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    So is it good practice to add Defer statements to any sensor state changes (leak detectors+optical sensors), anything else it should be added to.

  6. #6
    Frequent Contributor zombie's Avatar
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    Quote Originally Posted by fishynyc View Post
    So is it good practice to add Defer statements to any sensor state changes (leak detectors+optical sensors), anything else it should be added to.
    I use them all the time in physical or virtual outlets for delays too. Thing like delay rotation of AFS 1 minute after the return kicks off is one example.

    Sent from my SM-G965U using Tapatalk

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