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How to zero out "z" value on Ruida 6445s

Posted: Fri Apr 15, 2022
by Mark Osgood
Ruida 6445 z value.jpg
I would like to zero out the z value(in the attached photo,"2862.4mm")at the highest position. Any suggestions on how to do this? I have a
Ruida 6445s controller and Lightburn. Many thanks, Mark

Re: How to zero out "z" value on Ruida 6445s

Posted: Fri Apr 15, 2022
by Gene Uselman
I think that 3000 appears when there is no limit switch [ when you home for instance ]- so I would guess a pushbutton hooked to the controller's Z limit terminal 'may' do it? On the other hand... I am often wrong.

Re: How to zero out "z" value on Ruida 6445s

Posted: Fri Apr 15, 2022
by Mark Osgood
I should add that I have a working limit switch on the top and bottom of the desired movement.

Re: How to zero out "z" value on Ruida 6445s

Posted: Fri Apr 15, 2022
by Dave Vigness
Is home enabled in the controller for Z? It is off by default in most models.

Re: How to zero out "z" value on Ruida 6445s

Posted: Sat Apr 16, 2022
by Mark Osgood
Dave, thank you for the suggestion. Your comment led me to look for the following. I changed the setting in Lightburn to: edit menu>machine settings>z axis settings>enable homing>true . That did it.