Jack,
Thanks. I do remember seeing that configuration but I skipped over it
because I think it mentioned being setup for mm. I'll go back and look at
it again.
Cheers,
Dan
Message: 3
Date: Fri, 05 Dec 2008 11:43:03 -0600
From: Jack Coats <[EMAIL PROTECTED]>
Subject: Re: [Emc-users] limit/home switches on dual motor gantry
To: "Enhanced Machine Controller (EMC)"
<[email protected]>
Message-ID: <[EMAIL PROTECTED]>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed
I saw a sample config that does that. I seem to remember it is in
/etc/emc2/sample-configs/stepper-gantry or similar.
It isn't exactly what you want, but it should get you going down the
right track!
Dan Clarke wrote:
> Hello,
>
> I am a new user of EMC and I am using it to control a 5'x10' CNC router
> table that uses 2 motors to drive the gantry on the X axis, (one motor on
> each end of the gantry). I am simply just splitting the step and
direction
> output signals for the X axis to 2 stepper drives. I have been running
the
> machine with EMC for about 3 or 4 weeks and for the most part, everything
> is running OK. However, I am running without limit switches on the X axis
> and it's time that I wire them in.
>
> My question is how do I configure 2 limit switches on the X axis, one for
> each motor, and use them in a way that I can also square my gantry?
> Currently I drive the gantry to the front of the table, power off,
manually
> pull the gantry against hard stops, then power on again. I'd like to be
> able to home the gantry and have it so that which ever motor hits a switch
> first, it will hold while the other motor continues to move and towards
it's
> switch, then both motor would be synched and move off the switches
> together. I am just not sure how to do this if I am spitting a single
step
> and direction output to 2 drives.
>
> I am hoping someone else has solved this issue and can help me out.
>
> Cheers,
>
> Dan
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