On Mon, 1 Mar 2021 at 04:24, Feral Engineer <theferalengin...@gmail.com> wrote:

> z axis utilize a mechanical limit switch to latch home position, but then
> each axis has a pnp proximity sensor that triggers the actual home position

Are both the switch and the PNP on at the same time?
Is the PNP "long" enough to serve as a limit switch all by itself?

If it is, then you can use AND logic, either in the HAL or, as
suggested by R Jollivert, in the physical wiring.

If the PNP pulse is too short to serve as a home switch then you could
try using HOME_INDEX_NO_ENCODER_RESET
http://linuxcnc.org/docs/devel/html/config/ini-config.html#_joint__lt_num_gt_section
Though that only exists in Master.

-- 
atp
"A motorcycle is a bicycle with a pandemonium attachment and is
designed for the especial use of mechanical geniuses, daredevils and
lunatics."
— George Fitch, Atlanta Constitution Newspaper, 1912


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