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Thread: Alkatronic program

  1. #1
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    Alkatronic program

    I would like to know if i could program DOS to switch off for certain amount of time?

    As an example if kh>7.6 to stop dosing alk for 1h through DOS?

    Tried

    If kh>7.6 then off
    Min time 60:0 then off

    And also tried making a DOS profile to dose 0.1ml 1time in 3600sec

    If kh>7.6 then stopdose
    But it got stuck on stopdose profile.

    Any ideas how could i get this to work?

  2. #2
    Frequent Visitor rkpetersen's Avatar
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    No programming like that is available. And given that Neptune is developing it's own alk device in the Trident, integration with a competing device seems unlikely.

  3. #3
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    What are you seeing happen with you use the Min time?

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    Quote Originally Posted by vhuang168 View Post
    What are you seeing happen with you use the Min time?
    It switches DOS off

  5. #5
    Master Control Freak RussM's Avatar
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    Alkatronic program

    If kH > #.# Then OFF will work. Why do you think it did not work? What happened?

    Min time xxx Then OFF does not cause an output to turn off by itself. It says “if this output has turned off, keep it off for xxx minutes even if other programming tries to turn it on.”
    Please do not send me PMs with technical questions or requesting assistance - use the forums for Apex help. PM me ONLY if the matter is of a private or personal nature. Thanks.

  6. #6
    Master Control Freak RussM's Avatar
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    Quote Originally Posted by rkpetersen View Post
    No programming like that is available. And given that Neptune is developing it's own alk device in the Trident, integration with a competing device seems unlikely.
    The Alkatronic has an output which may be connected to an Apex pH input. There is a calibration process which makes the Apex indicate a pH value which equates to the measured kH value.

    Assuming that the OP has renamed the Apex pH input to kH, the use of If kH > #.# Then OFF is valid.
    Please do not send me PMs with technical questions or requesting assistance - use the forums for Apex help. PM me ONLY if the matter is of a private or personal nature. Thanks.

  7. #7
    Frequent Visitor rkpetersen's Avatar
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    Thanks Russ, that's interesting. I didn't know you could configure it that way. Learn something new every day.

    (Not an Alkatronic owner, obviously! I want the T. )

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    Quote Originally Posted by RussM View Post
    The Alkatronic has an output which may be connected to an Apex pH input. There is a calibration process which makes the Apex indicate a pH value which equates to the measured kH value.

    Assuming that the OP has renamed the Apex pH input to kH, the use of If kH > #.# Then OFF is valid.
    It just switches DOS to constant dosing ON.

    I managed to program it with dosing profiles

    If dkh > 7.7 then doselow(2ml every 15min)
    If dkh < 7.5 then dosehigh(4ml /15min)

    Seems to work ok.

  9. #9
    Master Control Freak RussM's Avatar
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    There is no way that an If probe-name > #.# Then OFF statement could cause the DOS to turn on.

    You are making things much harder and more complex than necessary by using profiles. It’s also a recipe for disaster should your Alkatronic give one or more abnormally low readings or there be a problem with the pH port being used. With your profile-based programming, a false low reading could cause alk to be dosed at the higher dosage rate undesirably.

    Use the DOS wizard to schedule dosing of the estimated daily quantity of supplement you need to maintain the target dKH level. Then, click on the gear button in the upper right, click the Advanced tab and enter your high dKH cutoff statement there.

    If dKH > 7.6 Then OFF

    Click OK then click the Update Apex button.

    Earlier, you wrote programming that has an input name of kh but in your last post, you used a name of dKH. The statement you use must have the actual name of the pH probe input you are using for the Alktronic connection.

    BTW, a target level of 7.7 or so is rather low. The commonly-accepted desired dKH range is 8-11.
    Please do not send me PMs with technical questions or requesting assistance - use the forums for Apex help. PM me ONLY if the matter is of a private or personal nature. Thanks.

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