2012/4/9 Jeshua Lacock <jes...@3dtopo.com>:
>
> How is that possible? The encoders are connected to the Geckos, not through 
> the parallel port….

I do not understand, what exactly is not clear to You :)
AFAIK Gecko drives will need the encoder signal for them to function,
so each encoder signal will have to be splitted/doubled/copied to both
PC and Gecko drive.
I guess that currently we have a basic misunderstanding due to things
not explicitly explained. And I see that You have not explicitly
explained, what exactly do You currently have in Your machine.
>From the way You wrote Your first message I understand that You
already have a working system with encoder signal going also to PC:
2012/4/6 Jeshua Lacock <jes...@3dtopo.com>:
>
> My Z axis is about 10,000 lines per inch, so it uses up my available 
> bandwidth really fast. Right now I have the Z's max speed set to a mere 3 
> inches per sec. My Y is 24 inches per sec, and X is 10 inches per sec. That 
> uses up my available 71khz.
>
> So, I understand that something like Mesa's 4I30 4 channel quadrature counter 
> card will allow me much more bandwidth to run my servos faster.
>

What kind of "10,000 lines per inch" are You talking about, if that is
not encoder signal? It could be also step signal, but encoders were
the only thing discussed in that message...

Could You, please, expand on what exactly You have there? Where are
encoders currently connected?

Viesturs

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