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Thread: Andover SCX920t

  1. #1

    Andover SCX920t

    I have a scx920 controller using Kele 24vdc humidity transmitters, I have 24vdc on the input but I am not getting a reading across the input and return or on the graphics. I have it set up correctly in the software 1-5vdc, scaled 0-100 with a 250 ohm across the input and return (the resitor is good) and the dip switch is set to "out". The transmitter was removed and checked on another system (XPSI) to make sure it worked and it did. What would be the cause of not getting a reading?

  2. #2
    Issue found - no -24vdc wired to return on controller. Note: all returns on the scx 920 controller are connected through trace.

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