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Thread: Cr108x CLAMP 15 wiring

  1. #1
    Join Date
    May 2009
    Posts
    87

    Default Cr108x CLAMP 15 wiring

    All the IFM literature we've found labels pin 1, connector 1 as CLAMP 30 (permanent battery) & pin 5, connector 1 as CLAMP 15 (switched voltage). Our assumption was that you could leave pin 1, connector 1 permanently wired to the battery & control switching the display ON/OFF via pin 5, connector 1. That doesn't appear to work. Pin 5, connector 1 needs to have voltage for the display to power ON, but removing it isn't powering it OFF.

    Are we missing something? This isn't a big deal since we usually just switch both pins together. But we decided to experiment with the "recommended" wiring per the installation manual. Thanks.

  2. #2
    Join Date
    Aug 2009
    Location
    ifm Exton, PA
    Posts
    196

    Default

    You have to program the display to shutoff with the clamp pin.

    SUPPLY_SWITCH := CLAMP_15_VOLTAGE;

    This will shutdown the display when the power is removed from pin 5

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