Re: [CAD_CAM_EDM_DRO] re: G201 Improvements

ballendo@... wrote:

> Mariss wrote:
> >The DISABLE function will move to the current set input. Shorting
> >the current set resistor will now disable the drive.
> >Any comments or objections to this change will be appreciated.
>
>
> Mariss,
>
> This seems like a bad thing. Will we have to add a transistor to the
> terminals so we can "short" this with our TTL Lo or HI ? I realise
> you may have a "real estate" problem on the IO pins. But DISABLE is
> pretty important, and probably best handled by you, with as little
> required from us as possible?? (we can give you that HI or Lo)

You could use the normally closed contacts of a mechanical relay. Then,
the
amps will be disabled anytime the relay is not energized.

Jon