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Thread: Ratiometric Analog mode on CR2500

  1. #1
    Join Date
    Sep 2010
    Location
    Burnsville, Minnesota
    Posts
    41

    Default Ratiometric Analog mode on CR2500

    Is it possible to do ratiometric analog inputs on the CR2500? It doesn't have the "INPUT_ANALOG" function block like the rest of the classic controllers, and it doesn't have "IN_VOLTAGE_RATIO" mode like the rest of the classic controllers.
    David Grambsch
    Automation Controls Engineer

    FORCE America Inc.
    www.forceamerica.com

  2. #2
    Join Date
    May 2009
    Location
    Minneapolis, MN
    Posts
    300

    Default

    Current and Voltage only. You can do a comparison to the supply voltage.

  3. #3
    Join Date
    Sep 2010
    Location
    Burnsville, Minnesota
    Posts
    41

    Default

    So the ratiometric input on the other controllers basically does (Vin / Vsupply) * 1000?
    David Grambsch
    Automation Controls Engineer

    FORCE America Inc.
    www.forceamerica.com

  4. #4
    Join Date
    May 2009
    Location
    Minneapolis, MN
    Posts
    300

    Default

    Yes that is what they are doing.

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