Dual Z motor with dual Z endstop

Hi,
I’ve finally received my smoothieboard, unfortunately i’ve got a problem compiling the config.txt files for my 3d printer.
My printer is a Vulcanus Max, a CoreXY, with a dual Z motor and a Dual Z Min endstop that run Repetier.
At the moment i cannot change Z to a dual motor in parallel, because the bed is too heavy in go down when the printer is turned off…
So, for get the bed leveled, i have got two motor with separate driver, that when homing use different endstop so the z plate level it itself on homing…

I’ve search some info about this technique in Smoothieware, but i have not find nothing about it…
How is possible to use E1 like the 2th Z motor driver and a second Zmin endstop?

Thanks for support,
Luca

Imported from wikidot

Smoothie doesn’t have the firmware logic to do this, this is the first time ever I hear of a commercial printer using this technique it is very rare.

There are ways to get this to work using a bit of clever wiring and clever use of the switch module, but it requires quite a good undertsanding of electronics. There is no simple way to do this.

ahah, I’m very happy to know that I’m the first with this problem :smiley:
Maybe in the future smoothie Dev can add this feature :wink:

For the moment, i come back to a Z screw with less depth, so it require more step/mm and the bed plate don’t go down when powered off…

Thanks,
Luca

It would be very useful for things other than 3d printers as well. I use my Smoothieboard for my MPCNC and would like to be able to use dual end stops for my X and Y axis. With my marlin setup it is a fairly easy and straightforward experience, would be nice if Smoothieware offered the same.