Ok, I will try to find a timeslot for coding this task. Stay tuned. :)
Regards! On 2013-08-19 19:02, tuxcnc wrote: > Hi > > Thank you very much for your willingness to help. > I know a few people who are interested in this option. > And others will be eager, I guess. > For maximum speed of the LPT port, maximum rotations of 1000 cpr encoder is > only about 500 r / min, and it is certainly not enough. > Pluto-P is the least expensive of the faster solutions. > > Regards > > > W dniu 19.08.2013 10:19, W. Martinjak pisze: >> Hi, >> >> unfortunately the pluto-p board is the poor relation of interface boards in >> lcnc. >> But anyway I have fixed some bugs in the pluto-servo driver. >> Due to lack of stepping equipment I have not yet done for pluto-step. >> I've also made a pluto-servo-spi driver for raspi. >> If I could spent more time for hacking I could try to make a >> pluto-step-encoder version for you. >> >> Cheers. >> >> >> <http://dict.tu-chemnitz.de/english-german/relation.html> >> On 2013-08-18 22:07, tuxcnc wrote: >>> Hi. >>> >>> There are available cheap stepper motors with encoders, for example >>> 86HS80-EC-1000. >>> And there are also a cheap cards Pluto-P. >>> Pluto-P has two modes, first PWM and encoders and second stepgen ie >>> STEP/DIR >>> There are two firmwares, one for servos, one for the stepper motors. >>> It is not possible to use encoders simultaneously with the stepper motors. >>> There are stepper drivers with a closed loop, but they are expensive and >>> only work on one axis. >>> It would be better to move the loop to LinuxCNC, then, when one axis >>> stops or slows down , the others axis can operated synchronously, slows >>> and waits for the slow axis will move. >>> >>> And now the question: >>> >>> For the Pluto-P are available sources of firmware and modules for LinuxCNC. >>> In directory src/hal/drivers. >>> Could someone find the relevant parts and write firmware and module for >>> the Pluto-P, supporting both encoders and stepgen? >>> In my opinion, in stepgen and PWM are the same number of pins, so may >>> be, it just should be replaced code of PWM by the code of stepgen, in >>> servo program. >>> But I don't know this device and its programing language. >>> >>> Regards. >>> >>> ------------------------------------------------------------------------------ >>> Get 100% visibility into Java/.NET code with AppDynamics Lite! >>> It's a free troubleshooting tool designed for production. >>> Get down to code-level detail for bottlenecks, with <2% overhead. >>> Download for free and get started troubleshooting in minutes. >>> http://pubads.g.doubleclick.net/gampad/clk?id=48897031&iu=/4140/ostg.clktrk >>> _______________________________________________ >>> Emc-developers mailing list >>> [email protected] >>> https://lists.sourceforge.net/lists/listinfo/emc-developers >> > -- "In der Wissenschaft siegt nie eine neue Theorie, nur ihre Gegner sterben nach und nach" Max Planck ------------------------------------------------------------------------------ Introducing Performance Central, a new site from SourceForge and AppDynamics. Performance Central is your source for news, insights, analysis and resources for efficient Application Performance Management. Visit us today! http://pubads.g.doubleclick.net/gampad/clk?id=48897511&iu=/4140/ostg.clktrk _______________________________________________ Emc-developers mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-developers
