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  1. #1
    Join Date
    Jun 2006
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    New Jersey
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    4,337

    Integrating Some TAC/Invensys Actuators

    I have a few AHU's with MP-5413 actuators on the HW and CHW. Doing some research and they are stated at 2-15vdc. I only have 0-10vdc. So I was looking into some dc to dc transmitters. Then I came across some info, that the actuators only stroke from 6-9vdc.

    What's the deal?

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  2. #2
    Join Date
    Sep 2002
    Location
    Hampton Roads, Virginia
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    1,605
    Here a datasheet 3v operating range anywhere between 2-15


    Kevin
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  3. #3
    Join Date
    Jun 2006
    Location
    New Jersey
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    4,337
    Thanks for the info.

    So do I understand this right......the range is 3vdc. The starting point(approximate) is 6vdc.....but is fixed. But also states, that the starting point is adjustable. And requires 2-15vdc.

    Now I'm even more confused.

  4. #4
    Join Date
    May 2009
    Location
    in the present
    Posts
    90
    Maybe something like this would help http://workaci.com/products/arm-anal...scaling-module

  5. #5
    Join Date
    Jun 2006
    Location
    New Jersey
    Posts
    4,337
    I threw a commissioning tool on a valve today. It does only seem to stroke between about 6-9vdc.

    I also monitored the existing controllers that are controlling the Ahu's. They were feeding 4vdc at 0% and 9vdc at 100%. The system is a old Tracer 100.

    So I'm just going to set up my new controllers at 6-9vdc.

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