Quote Originally Posted by 1Jumper10 View Post
NIC77 -

Thats how I square the gantry on my friends router. Both motors continue to their respective hardstops then back off a distance that I've set up in their firmware. It works very well at keeping the gantry square. They can also be set to only travel a certain distance from the hard stop. I.e. your max axis travel. This functions as a travel limit sensor. If they receive a command to travel outside of this limit, they'll trip the high level feed back and on my friends router this stops motion and the software goes into reset.
Nice feature!