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  1. #1
    Join Date
    Jan 2007
    Location
    Northern California
    Posts
    122

    Confused Carrier CC6400 Algorithm Question

    I am trying to control a pump by sending a variable 0-10vdc signal using the AO Adaptive Control Algo. I am not using the reset function and my problem is this:
    I can't get the signal to decrease on temperature drop. I setup a setpoint schedule that the algo appears only to respond to the lo setting.
    So basically right now the output signal rises on temperature drop, and I need it to do the exact opposite.
    Any ideas?

  2. #2
    Join Date
    Dec 2006
    Location
    Washington, DC
    Posts
    523
    AO-Adapative is only going to look at the OccLow & UnOccLow.

    In you PID Master Loop change KP, KI & KD to negative numbers and it will reverse the operation of the algorithim to make it Direct Acting.
    Quote Originally Posted by Qui-Gon Jinn (Star Wars Episode 1)
    "The ablilty to speak does not make you intelligent!"

  3. #3
    Join Date
    Jan 2007
    Location
    Northern California
    Posts
    122

    Smile

    Thanks Balibe! I'll try that.
    Do you know of another algo that would fit my application?

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