Re: [CAD_CAM_EDM_DRO] Sealed Keyboards - Update

food for thought
http://www.mmsonline.com/articles/cnc9807.html
a quick intro on operator interfacing covers some of the
stuff that is so basic that we usualy overlook it, at least
until we have to work without it

Brian

> ptengin@... wrote:
>
> > How many keys do we need for an EMC or other cnc control keyboard?
> > Could
> > we build one with a few keys? G, X, Y, Z, N, a few numerals and an
> > enter
> > key, Seems one could build one with aluminum keys or some high temp
> > plastic.
> > Program a pic chip to do the house keeping.
> >
> > I know on my CNC, I wear out the start cycle button, the "G" key, the
> > stop
> > key and the feed overide knob. The rest of the keyboard is virtually
> > untouched.
>
> Well, I'm thinking about adding a keyboard/indicator module to the set
> of boards
> I'm designing for the parallel port replacement for the Servo-to-Go
> card. The
> advantage(s) of this would be a permanent connection between EMC and
> the keyboard, where the current connection is only there when the
> Xwindows
> focus is on the EMC screen window. There could also be knobs for feed
> override and spindle speed, instead of keys. You could have buttons
> arranged by function, color coded, and labeled with their function.
>
> And, you could use sealed key switches if you want to.
>
> Jon