Re: [CAD_CAM_EDM_DRO] Re: G201-IP

----- Original Message -----
From: "mariss92705" <mariss92705@...>
To: <CAD_CAM_EDM_DRO@yahoogroups.com>
Sent: Tuesday, November 26, 2002 5:46 PM
Subject: [CAD_CAM_EDM_DRO] Re: G201-IP


> Tom,
>
> Talking about idiots. Our test stands take both the G201/G210s as
> well as the G320/G340s. A single, large switch has to be thrown for
> one or the other.
>
> If you stick a G201 into the stand while the single, large switch
> (prominently marked) is in the "G320" setting, it will totally fry
> and dismember the encoder on the test servomotor.
>
> I have gone thru 6 encoders this way, the latest one tonite. Nuff
> said; idiots are everywhere, even I are one.
>
> Mariss
>
>
> --- In CAD_CAM_EDM_DRO@y..., "mayfieldtm" <mayfiet@i...> wrote:
> > Absolutely, Positively!
> >
> > I want some.
> >
> > If for no other reason than Protection #6...
> > (Motor connects/disconnects while under power.)
> >
> > With most every machine design, at least one or more motors travel
> > around with the carriage or whatever, leaving the connecting motor
> > cable to flex here and flex there.
> >
> > Eventually that flexing will create an open in the wire and then
> Poof!
> > Pop! and Smoke-em like you own-um.
> >
> > Worse still the intermittent open may not exist unless the machine
> is
> > in exactly x,y,z position, then again... Poof!
> >
> > And I would like to be able to use the shut-down signal for
> emergency
> > stop of all motors.
> >
> > I would be concerned about possible premature or accidental shut-
> > downs. But I do have above normal faith in Mariss's designs.
> >
> > Oh... Only idiots would unplug an active motor.
> > Like I never would.
> > Well I might have just once.
> > OK... more than once.
> >
> > Tom M.
> >
> >
> > --- In CAD_CAM_EDM_DRO@y..., "mariss92705" <mariss92705@y...> wrote:
> > > Hi,
> > >
> > > I have breadboarded a protection circuit for the G201. It
> protects
> > > against:
> > >
> > > 6) Motor connects/disconnects while under power.
> > >
>
>
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