CAD CAM EDM DRO - Yahoo Group Archive

Re: [CAD_CAM_EDM_DRO] 'step and direction' motor driver

Posted by Jon Elson
on 2002-12-17 18:32:02 UTC
rdenn25 wrote:

>OK,
>
>what does this mean, exactly?
>
>if I want to move the X axis motor,
>what do I do with pin 2 and pin 3 on
>the parallel port
>
>Do you you set the direction pin then
>pulse the step pin on and off?
>
>I want to write a snippet of code to move
>the X axis of a cnc mill a small distance
>
>
Generally, you should set the direction, than pulse the step line.
You have to check with the maker of the drive what polarity is the
edge of the step pulse that actually does the step, and how the direction
signal should be setup before and held after the active edge of step.

Jon

Discussion Thread

rdenn25 <rdenn25@y... 2002-12-17 13:06:31 UTC 'step and direction' motor driver j.guenther 2002-12-17 13:15:30 UTC RE: [CAD_CAM_EDM_DRO] 'step and direction' motor driver Alan Marconett KM6VV 2002-12-17 14:20:36 UTC Re: [CAD_CAM_EDM_DRO] 'step and direction' motor driver rdenn25 <rdenn25@y... 2002-12-17 15:12:43 UTC Re: 'step and direction' motor driver Jon Elson 2002-12-17 18:32:02 UTC Re: [CAD_CAM_EDM_DRO] 'step and direction' motor driver