CAD CAM EDM DRO - Yahoo Group Archive

RE: [CAD_CAM_EDM_DRO] PWM signal to step/direction signals

Posted by JJ
on 2002-10-10 05:37:13 UTC
> I hear what you are saying, and I think I've abused the term
> "Pulse Width
> Modulation" in my previous response.
>
...
> This sort of "PWM-ish" control is better named PWPS for Pulse Width
> Position Servo (control).

It's actually FM, frequency modulation. It varies from 2.0ms (500 Hz) to
0.5ms (2000 Hz).

If it were PWM, the frequency would be fixed, and the duty cycle would
change.

Regards,
JJ

Discussion Thread

Howard Bailey 2002-10-08 12:27:01 UTC PWM signal to step/direction signals dakota8833 2002-10-08 18:10:33 UTC Re: PWM signal to step/direction signals David Kott 2002-10-08 20:29:47 UTC Re: [CAD_CAM_EDM_DRO] PWM signal to step/direction signals Howard Bailey 2002-10-08 23:20:47 UTC Re: [CAD_CAM_EDM_DRO] PWM signal to step/direction signals JJ 2002-10-09 04:33:23 UTC RE: [CAD_CAM_EDM_DRO] PWM signal to step/direction signals Alan Marconett KM6VV 2002-10-09 10:50:14 UTC Re: [CAD_CAM_EDM_DRO] PWM signal to step/direction signals Brian Punkar 2002-10-09 18:10:44 UTC Re: PWM signal to step/direction signals Howard Bailey 2002-10-09 18:39:15 UTC Re: [CAD_CAM_EDM_DRO] Re: PWM signal to step/direction signals David Kott 2002-10-09 19:52:07 UTC Re: [CAD_CAM_EDM_DRO] PWM signal to step/direction signals JJ 2002-10-10 05:37:13 UTC RE: [CAD_CAM_EDM_DRO] PWM signal to step/direction signals j.guenther 2002-10-10 06:08:37 UTC RE: [CAD_CAM_EDM_DRO] PWM signal to step/direction signals Tim Goldstein 2002-10-10 11:35:45 UTC Re: [CAD_CAM_EDM_DRO] PWM signal to step/direction signals