Re: [CAD_CAM_EDM_DRO] Low cost limit switch suggestions

>
> Jon Elson wrote:
>
> > Robert Allen & Marsha Camp wrote:
> >
> > > If I already have max. travel limits do I need any thing but
> > > a home switch?
> >
> > Probably not. EMC, at least, has software limits that are referenced
> > from the home switch position. The software-sensed limit switches
> > would be pretty redundant.
>
> What happens when you home the machine, then move to some other position

on

> the table and reset the axes to zero? Will the software realize that you

do

> not have full x or y travel from this point? The machine I have now ain't
> that smart, I've always wondered why but it is a 1983 control.

Yes The EMC "knows" when you have set an offset. If you have 10"
of travel and set your offset at 5" (axis now reads 0) EMC will let you
move that axis from -5" to +5"

> Bob KB1FRW
>
>