Re: BP retrofit yaxis drive burnup- follow-up

Jon,

Can you enlighten us about the ramp-up module? This might certainly
help me avoid more damage to the Geckos during estop now that I have
a fully functional machine.

Thanks,
Keith

--- In CAD_CAM_EDM_DRO@yahoogroups.com, Jon Elson <elson@p...> wrote:
> cnc_4_me wrote:
>
> >--- In CAD_CAM_EDM_DRO@yahoogroups.com, Jon Elson <elson@p...>
wrote:
> >
> >
> >>(My PWM servo amps have a fairly expensive 2.2 uF film capacitor
in
> >>parallel with
> >>the internal electrolytic cap for exactly this reason.)
> >>
> >>Jon
> >>
> >>
> >
> >
> >Good trick, Have you performed any tests to determine how far
your
> >power supply can be from your servo amps.
> >
> >
> Probably 1000 feet, as long as you use heavy enough wire so the
voltage
> drop is not excessive. I also have a power ramp-up module that
cuts
> power to the servo amps when you hit estop, and ramps the DC
voltage
> up slowly (1/4 second or so) when you come out of estop.
>
> Jon