Mariss? Dan M? Re: Bill W's question?

Mariss,

Thank you. Is this the recommendation for your stepper drives as well?

Thank you in advance,

Ballendo

--- In CAD_CAM_EDM_DRO@y..., "mariss92705" <mariss92705@y...> wrote:
> Hi,
>
> OK. I drew up a nifty little circuit this afternoon that E-Stops
> several DC servomotors in half a second without stress to good
drives
> and over-rides bad ones no matter the failure. Further, the PC can
> decide to E-Stop as well if so equipped.
>
> All it uses is is 2 momentary switches, a DPDT 115VAC relay and a
20W
> wirewound resistor. It works with power supplies up to 1,500W and
has
> been tested as well. Worked great.
>
> In normal operation it bleeds off the supply in 1/2 second and
> provides dynamic motor braking when off.
>
> I uploaded it in the files section under the file name "An E-Stop
for
> Servos"
>
> Mariss
>
>
>
> --- In CAD_CAM_EDM_DRO@y..., "ballendo" <ballendo@y...> wrote:
> > Hello,
> >
> > Did I miss the answer(s)?
> >
> > A bit ago Bill W (list mom) asked you two what I thought was a
very
> > good question: (paraphrased below)
> >
> > "What is the best way to handle you drive(s) in an estop
situation"
> >
> > I'd add: Let's assume there is some mass, say 100 lbs. plus.
Let's
> > also assume this mass is currently in the middle of a multi axis
> move
> > at something around(at least) 100IPM.
> >
> > So the question is, What are your recommendations? How do we wire
> for
> > estop so that we can meet safety standards, while not destroying
> > Your/the drives in the process(if possible)?
> >
> > Thank you both in advance,
> >
> > Ballendo
> >
> > P.S. Although Bill W named Mariss and Dan Mauch specifically, I'd
> > appreciate input/answers from others who are selling drives...
Dave
> > R, Dean, Bill, Doug(your non-geckos, obviously), etc.?