Re: [CAD_CAM_EDM_DRO] EMC BDI freqmod curiosity

John,

I've noticed that also when switching from freqmod to steppermod.

Just put a negative sign in front of the input and output
variables in the INI file on the offending axis. If you have 2000 steps
per inch in the input and output variables, change it to -2000 on both

Bill

----- Original Message -----
From: "John Guenther" <j.guenther@...>
To: <CAD_CAM_EDM_DRO@yahoogroups.com>
Sent: Saturday, April 20, 2002 7:54 AM
Subject: [CAD_CAM_EDM_DRO] EMC BDI freqmod curiosity


> Hi All.
>
> I have a question about freqmod.o on the EMC BDI 2.12 release. I just
> started playing with freqmod, I have the system working well with
steppermod
> but thought I would try freqmod. The problem is that now that I have it
> working with freqmod, the Z axis moves are opposite those that I get with
> steppermod. That is to say that in steppermod the command G0 Z-.5 will
move
> the head down into the work .5 inches. When the same command is issued
> using freqmod the Z axis move up .5 inches. The emc.ini file is the same
> file with only the appropriate lines commented out or uncommented
depending
> on whether I am using steppermod of freqmod. Any help will be greatly
> appreciated.
>
> John Guenther
> Sterling, Virginia
>
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