Re: [CAD_CAM_EDM_DRO] Re: BP retrofit yaxis drive burnup- follow-up

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