Re: [Emc-developers] servo to go + steppers

[Dean A. F. P. <de...@fo...>]

I'm just looking for another way around the M-codes to turn an output =
on/off on the fly. If I had a stepper output "axis" with my STG system I =
could set up a post processor to convert any M07 to an axis move in one =
direction & any M09 into an axis move in the opposite direction, then I =
could use the direction output pin as my on/off output. This would allow =
me to start/stop an output on the fly & control exactly when the output =
is sent.
  ----- Original Message -----=20
  From: Jon Elson=20
  To: emc...@li...=20
  Sent: Tuesday, October 28, 2003 12:51 PM
  Subject: Re: [Emc-developers] servo to go + steppers




  Dean wrote:

  > Does anyone know how to get stepper outputs to work with a STG=20
  > system? I need to have 1 stepper axis & the rest STG.

  No, I sure don't.  What ae you doing, and why do you need such a
  combination?  I can make a version of my PPMC card system that
  allows you to mix servos and steppers, though.  Since the software
  thinks everything is servo, it doesn't require deep hacking into
  EMC, just a little twaek of the standard PPMC driver, to make
  the right calculations for the appropriate axes.  Do you already have
  the STG card?

  See http://jelinux.pico-systems.com/PPMC.html for more info on this.

  Jon



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