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Thread: Another post on Water change

  1. #11
    Join Date
    20.02.2009
    Location
    Christchurch
    Posts
    410

    Default

    OK you are quite right I missed typing in the other PL.
    Actually I have missed quite a bit.
    Need PL to stop ATO while water change.
    Need PL to fill only salt water to full sensor is actived
    Need PL to add time to drain because drain level is below your low sensor.
    Turn off skimmer (Maybe same time as switching off for low return level and switches back on when return pump starts, but only during water change?



    PL 12
    input1: timer 5
    input2: programmable logic 13
    function SR Flipflop

    Socket 8: PL 12 (This is drain pump?)

    PL 13
    input1: Water fill 1
    Function delay ( How ever long it takes below low level sensor until ready to fill?

    So how far below the low level sensor for the drain does it need to go. ie how long does it take to drain from the low level sensor until you wish to fill . And what is the total time it takes to drain the whole system.

    What is sensor 5 used for???

    This is all very complicated and is only a partial of the PL required.
    Need more info on what feed pauses maintenance you are using and what is configured to shut off on them.
    Are then any free feed pause numbers?

    Timing for how long it takes to drain the tank to low level sensor
    Time taken to drain tank from low level sensor to completed drain level
    Time taken for the sea water pump to refill the sump.
    How long does the skimmers need to be turned off for? Because if they don't come on till after fill, the tank will be low and ATO will fill with fresh water.


    Will continue to look at this, but need to rethink some of it!

    Just looking at your first post. You do have this shutting off the pump when it reaches the sensor, operating at the moment don't you?
    Call me Paul !
    Note: I am not GHL staff!

  2. #12
    Join Date
    01.12.2013
    Posts
    12

    Default

    Quote Originally Posted by Antipodes View Post
    OK you are quite right I missed typing in the other PL.
    Actually I have missed quite a bit.
    Need PL to stop ATO while water change.
    Need PL to fill only salt water to full sensor is actived
    Need PL to add time to drain because drain level is below your low sensor.
    Turn off skimmer (Maybe same time as switching off for low return level and switches back on when return pump starts, but only during water change?



    PL 12
    input1: timer 5
    input2: programmable logic 13
    function SR Flipflop

    Socket 8: PL 12 (This is drain pump?)

    PL 13
    input1: Water fill 1
    Function delay ( How ever long it takes below low level sensor until ready to fill?

    So how far below the low level sensor for the drain does it need to go. ie how long does it take to drain from the low level sensor until you wish to fill . And what is the total time it takes to drain the whole system.

    What is sensor 5 used for???

    This is all very complicated and is only a partial of the PL required.
    Need more info on what feed pauses maintenance you are using and what is configured to shut off on them.
    Are then any free feed pause numbers?

    Timing for how long it takes to drain the tank to low level sensor
    Time taken to drain tank from low level sensor to completed drain level
    Time taken for the sea water pump to refill the sump.
    How long does the skimmers need to be turned off for? Because if they don't come on till after fill, the tank will be low and ATO will fill with fresh water.


    Will continue to look at this, but need to rethink some of it!

    Just looking at your first post. You do have this shutting off the pump when it reaches the sensor, operating at the moment don't you?
    Socket 8 is my drain pump
    socket 9 will be new saltwater fill
    socket 10 is ATO pump

    sensor 1 will be used to shut return pump and skimmer off
    sensor 5 is the sensor to shut off the new saltwater fill
    sensor 3 is ATO

    feed pause 3 and 4 are free
    Maint 3 and 4 are free

  3. #13
    Join Date
    07.11.2012
    Location
    Westlake, Texas
    Posts
    35

    Default

    RC Mania,

    Once you are able to get the PL working in context to the functionality you would like, it would be great if you would shoot a youtube video with the explanations of your settings and what it does. The profile is an amazing controller, but it tends to be a bit confusing when trying to use PL to more advanced settings and applications.

  4. #14
    Join Date
    30.06.2013
    Posts
    111

    Default

    +1

  5. #15
    Join Date
    01.12.2013
    Posts
    12

    Default

    I would be glad to share it. I havent worked on it in a few. I had to give my brain a rest.

  6. #16
    Join Date
    26.05.2014
    Location
    Melbourne
    Posts
    2

    Default

    Did you end up getting this working?

  7. #17
    Join Date
    01.12.2013
    Posts
    12

    Default

    No, not as of yet. I just not sure what I need to do to get it working. I know it can be done just dont know or understand all the commands.

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