Re: [CAD_CAM_EDM_DRO] Chopper max voltage?

>
> Hello!
>
> I believe this is my first post to this group, and that depends on that I haven't been able to give any help since I'm not very experienced at CNC yet.
> However I'm in the process of building a small a CNC Mill to do PCB's and other small stuff. And for this reason I've designed a driver using the L297/L298 IC's (based on the datasheets).
> The driver uses automatic current reduction and you can adjust both the idle and run currents. It have inputs for step, dir, sync, and stand by (all windings off).
> I have schematics (in .JPG) and PCB Layout (in EAGLE-format). I will be happy to send it to you (or anybody else) if you want it.
> Please note that this driver is made for my personal use and not for production. Therefor I haven't made any extensive testing and the layout of the board may not be the most optimal. BUT it works pretty good.
>
> If you just want simple a schematic for a driver, download the datasheet for the L297 and 298.
>
> Regards.
> Henrik Olsson. Sweden.
>
> henrik-olsson@...