Re: CNC: Spindle speed control

Andrew and all,

Thx for the help. Well I'm defintely not into electronics yet (I try
to focus on teaching myself machining) so building a circuit board is
out of my reach.

I keep the information in my stack of future projects!

Malte

> Malte,
>
> What I have done is to hang a simple digital to analogue converter
> onto a parallel port, and use its output to drive the 0-10v input

of

> a VFD.
>
> I'm running TurboCNC, and as the source code is available, I have
> been able to incorporate simple drivers for M03 / M04 / M05 & SXXX
> and it works very nicely.
>
> If you go to the TurboCNC user group on Yahoo, I have posted the
> circuit diagram and the code in the files section
> (schematic_page_2.pdf & vfd.pas)
>
> Regards,
>
> Andrew Mawson
> Bromley,
> Kent,
> UK