Re: Servo drives- Mariss

> Mariss Freimanis wrote:
>
> >The G100 (bells and whistles version) will be under $400. The G101

> >functionally identical, smaller and is the OEM version. It will be
> >under $200.
> >
> >
> How does the input to the G100 work? I'm planning on picking up

> the unstallable stepper controllers when they are done, and I'd

> write my own software for controlling it. If I understand

> it works I'll be able to send it movement command that it carries

> freeing my compter from (badly) performing realtime operations.
>
> Do you have a protocol spec somewhere?
>
> >Most of the new square double-shaft step motors come pre-drilled

> >tapped for standard encoder mounting (1.812" or 46mm centers). The
> >G100/G101 will use the encoder feedback from an encoder equipped
> >stepper to implement the "unstallable stepper" idea. The FPGA
> >firmware has been written to exploit this potential.
> >
> >
> Do you have any guidelines for choosing an encoder? Number of

> quadature or whatever?
>
> >This idea still requires a lot of work on the Rabbit code before

> >real. The goal is to have steppers that are true servo motors;

> >will be able to accel/decel and run at 100% of their potential.
> >
> >
> Makes me grin just thinking about it. Thanks for working toward

> it a reality.
>
> ca