Rapid Positioning on Shapeoko 3 seems confused and thinks its an XXL?

[jimidi (Jim Amos)]

This post may shed some light on your predicament, however from what I’ve gathered from Dan’s post is that Carbide Motion X/Y extents are fixed by Carbide Motion 4 based solely on machine choice.

Suckit Dust Boot and X axis limit switch

I think I need to explain this better: In CM4 you only get the choice of SO3, SO3XL, or SO3XXL for configuration. In my case X of 830 crashes the gantry because my dust boot is slightly wider than the Z plate: [image] So I went to the MDI window and set X at 800 using $130=800 [image] I then verified this in the log using $$: [image] And X is indeed set to 800: [image] Then I try to rapid position using CM4 and Crash!!! Then I look at the actual position in CM4 and it shows 815 (I …