New Config, issues with homing.

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10 May 2025 23:00 #328182 by ccatlett1984
New Config, issues with homing. was created by ccatlett1984
Link to my current config: github.com/ccatlett1984/LinuxCNC_configs/tree/main/dmc_test 

I have attached a image of the machine, with limit switch locations and homing direction labelled.

I'm not getting past Z homing, it travels up (the correct direction), I can see the limit switch activate in hal show config, but it doesn't stop and mark the axis homed.

These are the limit switches: (I believe the not's are correct, as those switches are NC)
net min-home-x          <=  hm2_7c80.0.inmux.00.input-15-not
net min-home-y          <=  hm2_7c80.0.inmux.00.input-14-not
net max-home-z          <=  hm2_7c80.0.inmux.00.input-13
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10 May 2025 23:18 #328183 by PCW
Replied by PCW on topic New Config, issues with homing.
Is the Z axis switch Normally Open?

( a reversed axis and inverted home switch might behave like this as it would
back-off the activated switch instead of the search move )

 

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10 May 2025 23:28 #328184 by ccatlett1984
Replied by ccatlett1984 on topic New Config, issues with homing.
Coorrect Z is a NO switch, X and Y are NC

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10 May 2025 23:46 #328185 by PCW
Replied by PCW on topic New Config, issues with homing.
Did you verify that

joint.2.home-sw-in

Goes true when the Z axis limit switch is triggered?



 

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11 May 2025 04:01 #328186 by rodw
Replied by rodw on topic New Config, issues with homing.
I think your latch velocity is going the wrong way. You need it to back off the home switch so it can't have the same sign.
in your ini try
HOME_LATCH_VEL = -0.500000

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