Try it out first. It's not as bad as people make it out to be. If you add a capacitor and use twisted pair then you are almost certain not have problems from unshielded stepper power cables. Personally I only run step and direction and supply voltage to the Gecko's on my large gantry machine. The geckos are mounted as close as possible to the steppers and the frame does the cooling of the Gecko's. A distributed control box approach. Works flawless and has less issues. I think the steppers also work 'crisper' as the drive to motor cables are less than 6 inches... Not feet over feet... A simple metal box shields the gecko from dirt and even lowers electronic noise further. Maybe that's in idea for you as well. I use Cat5 cable for the power and the step and direction signals. Cheap and works nice. Rainer
On Sun, May 3, 2009 at 11:41 AM, Douglas Pollard <dougp...@verizon.net> wrote: > Erik Christiansen wrote: >> On Sun, May 03, 2009 at 09:26:40AM -0400, Gene Heskett wrote: >> >>> This I would do, if I ever have the problem. I have also probed for contour >>> several times and have not had any errors of more than a thou or two in the >>> data. This using the sliding tube opto-interrupter device one of the guys >>> here gave me a link to when I asked about that a couple of years ago. Home- >>> made of course. :) >>> >> >> It's heartening to hear that it can be done without optos. >> >> Since the link http://www.hedingrips.com/Dcp00470.jpg, posted by Dean >> Hedin on 25 April 2007, now gives error 404, I was wondering if my >> imaginings of a pair of concentric tubes with a hairline aperture, >> closing on contact, are anywhere like the real thing? (I'm trying to >> figure how to have enough light for the detector when open, yet shut >> with little probe motion. Or is it just that the movement to close the >> aperture is known, and can be subtracted?) >> >> Cheers, >> Erik >> >> > Thanks All, > I think I will use my wire for a doorbell or something. I don't need > to add to the problems of getting my home made mill to run. > Thanks to all > Doug > > ------------------------------------------------------------------------------ > Register Now & Save for Velocity, the Web Performance & Operations > Conference from O'Reilly Media. Velocity features a full day of > expert-led, hands-on workshops and two days of sessions from industry > leaders in dedicated Performance & Operations tracks. Use code vel09scf > and Save an extra 15% before 5/3. http://p.sf.net/sfu/velocityconf > _______________________________________________ > Emc-users mailing list > Emc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-users > -- _________________________________ Rainer M. Schmidt Complex Consulting LLC b...@complexllc.com VoIP (646)-233-1002 FAX (646)-435-9216 ------------------------------------------------------------------------------ Register Now & Save for Velocity, the Web Performance & Operations Conference from O'Reilly Media. Velocity features a full day of expert-led, hands-on workshops and two days of sessions from industry leaders in dedicated Performance & Operations tracks. Use code vel09scf and Save an extra 15% before 5/3. http://p.sf.net/sfu/velocityconf _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
