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Thread: Salinity Control Again-Again

  1. #1
    Join Date
    03.12.2011
    Location
    Græsted
    Posts
    127

    Default Salinity Control Again-Again

    Hi

    I have set up salinity control in my programmeble logic, to top of with saltwater when salinity is low, and RO water when high. Its working ok, but when salinity is equal to the the nominel setting, then my ato with RO water doesnt work.

    I can see the problem in the logic i have created, but i cant figure out how to solve this.

    logic.png

    My AWC is also implemented, and all is working when salinity is high or low, but not when the salinity is equal to the nominel setting.

    Best reg. Tom

    EDIT...

    Figured it out...

    Instead of using both Increase and decrease conductivity in the logic, i just used decrease for one gate, and reversed tha in the other where the Increase Conductivity was. :-)
    Last edited by gnisten; 24.01.2018 at 16:52.

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