Jon Elson wrote:
> Sure, you could use the Pico Systems PPMC board set. It has encoder
> counters, 16-bit
> DACs to command the servo amps and digital I/O for home and limit 
> switches, etc.
> The only special stuff you will need is a little interfacing to the 
> fault and enable signals
> on the Glentek amps.  I can advise on what you need there.
>   

That sounds great Jon. I'll head over to the Pico Systems Website and 
check out your stuff.

> Geckos do not feed the position info back to the computer, so you can't 
> actually measure
> the performance and accuracy of the machine.
>
> The basic PPMC setup is about $780, depending on options.  EMC2 is free, 
> and can use
> a relatively tame computer, 1 GHz Pentium with 256 MB of memory is plenty.
>   

Your pricing seems fair enough. The computer I have for control is an 
AMD64 3700+ (2.2 GHz, 1 MB of L2 cash) with 2 gigs of ram, 250 gig hard 
drive, and an Nvidia 250meg video card. From what you say above, that 
should do it. ;-)

Thanks Jon!

David
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