Indexer

--- In CAD_CAM_EDM_DRO@y..., Tony Jeffree <tony@j...> wrote:

> Done that...I have an initial production run of single-axis
> PIC/L297/L298-based rotary table controllers in progress right

now...am

> working on the documentation as we speak. Headline specs:
>
> -Will handle any drive ratio between 1:1 and 99:1 - software

settable

> -Software settable motor current up to 2A/phase
> -Idle current can be set as up to 50% of the motor current
> -Supply voltage up to 40V
> -Jogs in increments of +- 1/100th, 1/10th, 1 or 10 degrees
> -Division mode handles all divisions from 1 to 999
> -Degrees mode handles any angular move in range 0.001 to 360.000

degrees

> -All moves calculated to the nearest 1/2 step - errors are evenly
> distributed to avoid cumulative errors creating the "thick or thin

tooth"

> problem. Display shows desired position and actual angular position
> -Can be driven via external step-and-direction signals to use as

a "true"

> 4th axis
> -Can be used to drive an external power stage via step-and-

direction

> signals to allow higher power motors to be used
> -Controlled/configured via a 16-key keyboard & a 2-line by 16-char

LCD display.

>
> Pics & fuller specs to follow...

Pics now posted on my website, along with a fuller description:

www.divisionmaster.com

Regards,
Tony