EZIO8SA and ELK-930 (DoorBell/Phone I/F) – How to Connect? 2011-06-27T19:57:39+00:00

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  • Anonymous
    Post count: 5
    #40308 |

    Hi,

    Looking to connect my EZIO8SA to an ELK-930 Door Bell / Phone interface (http://www.elkproducts.com/_webapp_2981405/ELK-930__Doorbell_and_Telephone_Ring_Detector).

    The ELK-930 has an open collector (pull to ground) output.

    Which connections should I use on the EZIO8SA?

    Based on this diagram http://www.elkproducts.com/_literature_63587/ELK-930_Instructions and the EZIO8SA manual I think it would be the NEG connection on the ELK-930 to I1- on the EZIO8SA, I1+ to 12V on the EZIO8SA and GND on the EZIO8SA to OUT on the ELK-930.

    But not sure… a number of posts have suggested I’d need a pull-up resistor of some kind too…but I see from the EZIO8SA manual that there is 1.5K resistor in the Input circuit diagram right before the opti-isolution.

    Anyone help me out?

    Anonymous
    Post count: 1001

    Answers provided on UDI forum.

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