Re: [CAD_CAM_EDM_DRO] Router spindle electrical noise.

balsaman_cnc wrote:

>The electrical noise generated by my Porter cable Router is
>triggering my limit switch circuit. The limits are high and go low
>if there is a problem. They are all in series (NC). If I set the
>speed on my router down 20% or so the problem goes away. I slid one
>of those ferrite donuts over the limit switch cable with no effect.
>Is there something else I can try? I used shielded cable on all
>cabling EXCEPT the limit switches...do I need to replace all that
>cable? Are there other options?
>
>

Probably putting a .01 uF capacitor from the input of the parallel port
and the ground connection of the parallel port should absorb some of
the noise.

Jon