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Dimmer extension correction values don't behave as expected.

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  • Dimmer extension correction values don't behave as expected.

    Default the Dimmer extension correction values are:
    Input Value 1: 0
    Target Value 1: 0
    Input Value 2: 100
    Target Value 2: 100

    I'm using Philips Dimtone LED lights. As mentioned in my previous post the "leading-edge" setting is used to get them working stable.

    Using the smartphone app I can now change the brightness of the LEDs. However the LEDs only start to light up at 40% en go to full brightness at 100% (as seen in the app).

    To correct for this I did make the following changes in the correction values:
    Input Value 1: 0
    Target Value 1: 40
    Input Value 2: 100
    Target Value 2: 100

    The behavior in using the app stays the same?

  • #2
    with that correction, your lamps will be getting 40% power when off in loxone - this is going to waste a lot of power

    do you have the perception correction on? if so, it stretches out the usable dimming range so that there is finer control between 0-30% - if your lamps are not lit at this level, it leaves a lot less of the interface range to actually adjust the brightness which may be part of the problem

    i know you swapped to leading edge, but most leds will dim over a much wider range when used with trailing edge.

    as an experiment, try trailing edge with perception correction turned off, and see if the leds will come on at a lower % and have a smoother dimming range.

    its frustrating to try to get leds that are:
    1) compatible with the dimmer at all
    2) wide range of dimming
    3) dont flicker
    4) have a decent light quality - high cri and high R9 for red output

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