Wiring an NPN NC inductive proximity switch

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  • February 12, 2017 at 7:30 am #10229
    cmcgrath5035
    Moderator

    Are you Measuring voltage at Spin or SpinPWM?
    SpinPWM is pulse with modulated, can’t measure with a voltmeter.

    Spin should be logic high and stable when you execute M03, logic low when executing M05.

    No good explanation for variations in readings.
    What sort of voltmeter do you have.

    February 16, 2017 at 9:12 am #10245
    pfelecan
    Member

    The measurements are between Gnd and 3.3V and the reading is 3.41V, on every one.

    February 16, 2017 at 9:14 am #10246
    pfelecan
    Member

    When I’m measuring between Spin and Gnd it can be 3.1V, 3.2V or 3.3V

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