How to connect a Touch Plate to TinyG

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  • September 28, 2015 at 5:21 am #8784
    snooperace
    Member

    Hi All
    I am trying to setup a touch plate in Chilipeppr and tinyg. I have the Z min and Max set to NC and Z min connected to the touch plate. Now my logic fails me. in Tiny G all min and max switches need to be set to the same NC or NO.

    For the Touch Plate to work do I need to set all axis switches to NO and if so when the touch plate contact the sensor will this cause Tinyg to create an alarm and stop requiring a reset.

    So what I need to know is how is this setup to work with Tinyg and Chilipeppr

    September 28, 2015 at 7:28 am #8787
    cmcgrath5035
    Moderator

    Can we assume you are running very recent FW, such as 440.20?

    What you describe is “old” behavior.
    A change was made such that when a probe command,e.g. G38.2 Z0 , is sent,FW logic changes to looking for a change of state on Zmin switch, rather than a high or low. The other 5 limit/home switches remain level only, not change of state.

    So all switches can be set NC (recommended) or NO with the $ST parameter, when probing the probe will trigger when the Zmin switch changes state.

    Here is a descriptive reference comment

    See also

    for how ChiliPeppr uses this

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