Re: [CAD_CAM_EDM_DRO] Re: bridgeport series 1 retrofit

Bob Japundza wrote:

>Guys, thanks for the responses. Sounds like having a closed loop
>feedback system the way I described might be not worth the effort.
>But I do plan on installing the DRO anyway. On the power supply I
>may just add some diodes in to get the voltage drop.
>

You can't do that. The diodes prevent any energy returned from the
motors to the drives from being stored safely. The small capacitance
in the drives can't contain much energy, so the voltage quickly rises
to damaging levels. When large motors are decelerated, they can
return energy to the drive.

Jon