Quote Originally Posted by Gary View Post
What about homing? if you have multiple motors running off one output and you need to home and you have a switch on each axis, how does it handle that?
If you have a gantry and have a motor on each side connected to one output and have one home switch, how will it be able to home both sides accurately?
Also the more load you put on the output the more likely it is going to be susceptible to electrical noise and then you may have one axis loosing a step or two and over time this will add up to a big error.

At the moment i move gantry to the end and hit limit switch. back off till LED lights. Then via PC and servo control software jog other motor to same position. 1 min job, if i dont count starting the PC .


Till now no problem with driving 2 motors from one output even on long, fast and generally quite serious jobs. But now i agree here- that i can be sure only and if i test 100 controllers and they show same consistency. Soon will know as another one is on the way. tHhis time the 4 axis one.

Another thing is that i have not seen a single person use its 4rth axis so its still a mystery there.