Re: G201 modifications/update

Ballendo,

Not at all. I've felt that the DISABLE input is about as useful as a
screen door on a submarine. Normally you would never use it; turning
the drive off is just as effective.

If you want to control it from the LPT1 port, use an open collector
opto-isolator to term. 11. The max voltage is 16.5 VDC, the short-
circuit current is 300 uA. No sweat for an opto.

Mariss

P.S. The LED on the G201 is just a power indicator. It uses "free"
current since it is located between the output of a 16.5V regulator
and the input to a 12V regulator. All the low-level circuit supply
current (12-15 mA) passes thru it. I just put it in because I thought
it was cool.

--- In CAD_CAM_EDM_DRO@egroups.com, ballendo@y... wrote:
> Mariss,
>
> Thank you for the feedback.
>
> That "simple" SPST switch is fine for manual disable; What about
> under program control? Or are you wanting this to be unavailable
for
> safety/liability reasons?
>
> Those of us using P-port CNC generally have one "bit" for
> enable/disable drives. We COULD "sink" to OUR ground, but you
prob'ly
> wouldn't want that!
>
> Ballendo
>
>
>
>
> Hi,
>
> Though it is not stated in the manual, terminal 12 is actually
ground
> (same as terminal 1). Shorting term. 11 to term. 12 (ground) would
> then stop all switching action on the motor terminals, freewheeling
> the motor. This could be as simple as a SPST switch across the
> current set resistor.
>
> Mariss
>
>
> > I reviewed the G201 manual and I stand on my previous comments.
> Maybe
> > we could pull ONE end of the resistor down/up???
> >
> > Ballendo