Re: [CAD_CAM_EDM_DRO] plc compatibility was Re: Emco Tool Turret

Flashcut: Yes
cl

ballendo wrote:

> Hello,
>
> ah-Ha! definitely, and FLashcut, maybe... I don't think CncPRO does
> this.
>
> Ballendo
>
> --- In CAD_CAM_EDM_DRO@y..., Alan Marconett KM6VV <KM6VV@a...> wrote:
> > Hi Mark,
> >
> > I'm not sure, but I seem to remember a controller with a "PLC"
> > interface, which would allow one to start an external process, and
> wait
> > for it's completion. It might have been CNCpro?
> >
> > Alan KM6VV
> >
> > Mark Fraser wrote:
> > >
> > > I'd want to be able to use this in conjunction with CNCPro, for
> > > example, so that means an M-code which would drive some hardware
> > > and which would imply a "wait" for an appropriate time. Given
> > > that there's not likely an "I'm ready to go again" signal
> detection
> > > capability in cncpro, I'm hoping there's an M-code that would do.
> > >
> > > There would have to be some manually confirmed initialization
> > > for new running programs, and attention to details on loops and
> > > subroutines.
> > >
> > > I don't see the point in stepperizing it, just use a signal from
> > > the parallel port to drive the turret through "n" increments
> > > (i.e., "n" tool positions) as they appear in your program, and at
> > > the end of each cycle, the hardware backs the turret up to hold
> > > it in position. If there isn't an M code that implies a time
> > > delay, send a g1 line to an axis that isn't currently ON, with
> > > the feedrate suitable for the delay desired. Assuming we start
> > > at a "0" position, and it takes the turret 1 second to move to
> the
> > > next position, and the chosen axis has a feed rate of 1
> inch/second,
> > > send it a G01 A0.5
> > > G01 A0
> > >
> > > for each increment. It's up to the coder to keep track. At
> least that
> > > is what *I* plan to do with mine.... /mark
> > >
>
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