I'm always amazed that people will read documents for other things and expect them to apply to LinuxCNC...
Try reading the LinuxCNC docs. Here is the link http://linuxcnc.org/docs/html/ JT On 7/21/2014 12:59 AM, a k wrote: > i found this > http://www.smithy.com/cnc-reference-info/chapter-5/m52/page/7 > > to stop m52 p1 is m53 > > > > > On Sun, Jul 20, 2014 at 8:47 PM, a k <pccncmach...@gmail.com> wrote: > >> Hi >> i did change direction on which motor move - by adding - at front >> input_scale and output_scale. now i move axis away from home switch by jog >> negative. >> thanks for help. >> after that change i even could program in mdi >> g1 g91 y-2. f2. >> and machine actually did move. >> >> than i enter M52 P1 into MDI >> question: is M52 modal ? if i enable adaptive feed than how i can to >> disable it (M52) ? >> or just restart emc2 ? >> Now situation is that when program g1 g91 y-2. f2. >> i have instantly 2 error >> linear move in mdi would exceed joint 0's positive limit >> linear move in mdi would exceed joint 2's positive limit >> >> what means error comes from axis that not programmed to move at all. >> i did try program axis x to move and error was - from remaining 2 axis >> >> something interesting >> >> thanks >> aram >> >> >> >> >> >> >> >> >> >> >> >> >> On Sun, Jul 20, 2014 at 7:25 AM, Dave Cole <linuxcncro...@gmail.com> >> wrote: >> >>> If you use Servos, then you need to swap both inputscale and output >>> scale signs to reverse motor direction or else the motor command will >>> fight the encoder feedback. If your motor is running backwards to >>> the encoder, you can either change the wiring or change the sign of >>> either the inputscale or the outputscale to get them into sycn. >>> >>> If you use Steppers, you normally don't have encoder feedback, so no >>> such issue. >>> >>> I think that Aram is using servos since he has a Mesa servo interface >>> board. >>> >>> Dave >>> >>> >>> On 7/20/2014 9:39 AM, Gene Heskett wrote: >>>> On Sunday 20 July 2014 07:14:27 Viesturs Lācis did opine >>>> And Gene did reply: >>>>> 2014-07-20 6:28 GMT+03:00 a k <pccncmach...@gmail.com>: >>>>>> in 2.5.4 machine can use only positive number for INPUT_SCALE >>>>>> i am right here? >>>>> No, you are not. >>>>> The trick is in keeping the same sign for "input scale" AND "output >>>>> scale". If you add "minus" in front of input, you should do the same >>>>> for output as well. >>>>> >>>>> Viesturs >>>> No reason to Viesturs. Neither of my machines follow that convention >>> 100%. >>>> I use OUTPUT_SCALE's - sign to reverse the direction of the motor if I >>>> managed to wire it (a stepper) wrong, and dri direction is (I think) >>> made >>>> to match by the INPUT_SCALE. But I don't recall having to do that so >>> far. >>>> My lathe doesn't even have an INPUT_SCALE, and the neither has the mill >>>> for its last 3 or 4 configs. All configs now in use are using only >>> SCALE, >>>> no in or out specified. >>>> >>>>> ----------------------------------------------------------------------- >>>>> ------- Want fast and easy access to all the code in your enterprise? >>>>> Index and search up to 200,000 lines of code with a free copy of Black >>>>> Duck Code Sight - the same software that powers the world's largest >>>>> code search on Ohloh, the Black Duck Open Hub! Try it now. >>>>> http://p.sf.net/sfu/bds >>>>> _______________________________________________ >>>>> Emc-users mailing list >>>>> Emc-users@lists.sourceforge.net >>>>> https://lists.sourceforge.net/lists/listinfo/emc-users >>>> Cheers, Gene Heskett >>> >>> ------------------------------------------------------------------------------ >>> Want fast and easy access to all the code in your enterprise? Index and >>> search up to 200,000 lines of code with a free copy of Black Duck >>> Code Sight - the same software that powers the world's largest code >>> search on Ohloh, the Black Duck Open Hub! Try it now. >>> http://p.sf.net/sfu/bds >>> _______________________________________________ >>> Emc-users mailing list >>> Emc-users@lists.sourceforge.net >>> https://lists.sourceforge.net/lists/listinfo/emc-users >>> >> > ------------------------------------------------------------------------------ > Want fast and easy access to all the code in your enterprise? Index and > search up to 200,000 lines of code with a free copy of Black Duck > Code Sight - the same software that powers the world's largest code > search on Ohloh, the Black Duck Open Hub! Try it now. > http://p.sf.net/sfu/bds > _______________________________________________ > Emc-users mailing list > Emc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-users ------------------------------------------------------------------------------ Want fast and easy access to all the code in your enterprise? Index and search up to 200,000 lines of code with a free copy of Black Duck Code Sight - the same software that powers the world's largest code search on Ohloh, the Black Duck Open Hub! Try it now. http://p.sf.net/sfu/bds _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
