Re: [CAD_CAM_EDM_DRO] Re: problem with estop

Ray,
Thank you, I have changed the INI file with the
"MIN_LIMIT_SWITCH_POLARITY = 0" set to 0 I think
in the Handbook it tells about changing this to zero
to fool the limit switches, until to is working
properly, then switch them back.

I am running the BDI with the 6.0,6.1,6.2 linux rt.

I have the Tkemc as the start point and steppermod in
the module that I want to run.
I have nema 23 and nema 17 size stepper with 1.8
degree and 0.9 degree per/step.

The driver board that I am using is a driver board
that is a xerox printer driver board. It will run
both stepper s at 3 about amps continues. They will
handle the job.

I am trying to setup these using the par-port.

I have the pin-outs for emc stepper motors and I think
that I have it correct.

I do not know what clock pulse is coming from the
par-port. what I need to find out is if the clock is
at 4kHz or even 5kHz is fine for this driver board.

I have it functioning on a bench with approx. 4kHz
clock, using an OOPic controller. I was hoping that
EMC would be a good replacement so that I did not need
to write a lot of code.

If you have any more information, I would greatly
appreciate it.
Thank you,
Travis
--- Ray <rehenry@...> wrote:

>
>
> > � �From: "topii2000" <topii2000@...>
> > Hi,
> > I am new to EMC and to Linux, but I can get by.
> �My problem is that I
> > get an error message that says, "Minimum hardware
> limit on axis 0
> > exceeded." �What does this mean. �I have not setup
> the ini file
> > correctly or have broken something?
>
> Hey Travis welcome to the wonderful world. <g>
>
> What versions of Linux, RT, and EMC? What run file
> and ini file are you
> using? What motion module, steppermod, freqmod,
> stgmod, ppmcmod are you
> using with it? Do you have limit and home switches
> set up?
>
> Off the wall answer is, find the ini that you are
> running by looking at about
> line 27 in the run file that you call. If you run
> from icon, look in it's
> properties to find the run file. (right click).
>
> If BDI, find that ini file in /usr/local/emcand edit
>
>
> MIN_LIMIT_SWITCH_POLARITY = 0
>
> for the opposite of what it is. If not BDI find the
> emc directory and do the
> same. Sometimes it is /usr/local/nist/emc.
>
> Repeat for the other similar messages.
>
> There might be some help in the
> linuxcnc.org/handbook and the faq at the same
> place.
>
> HTH
>
> Ray
>
>
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