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Thread: Output alarm

  1. #1

    Output alarm

    Hi all:

    I have an AFS 4500EF and a 3500EM being installed in my RV-7. Probably an obvious question, but I just wanted to verify this. If I want a master warning light to display, it should be wired to pin 14 of the EFIS Main Cable. Is that correct?

    Doug Weiler

  2. #2
    That is correct
    ---
    Trevor Conroy
    Technical Support
    Advanced Flight Systems
    Support@Advanced-Flight-Systems.com

  3. #3

  4. #4
    Junior Member
    Join Date
    Mar 2010
    Location
    Boynton Beach, Florida
    Posts
    28
    Trevor,
    I just want to confirm that pin 14 activates by grounding, correct?

    It isn't actually putting out a voltage.
    Thanks,
    Tom Hanaway

  5. #5
    Hi Tom. That is correct.
    ---
    Trevor Conroy
    Technical Support
    Advanced Flight Systems
    Support@Advanced-Flight-Systems.com

  6. #6
    So that means the alarm light must have a separate 12V power supplied to it. Right?

    Doug

  7. #7
    That is correct. You provide one side of the light with 12V, we will give it a ground to activate.
    ---
    Trevor Conroy
    Technical Support
    Advanced Flight Systems
    Support@Advanced-Flight-Systems.com

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