On Saturday 23 February 2019 17:16:26 Jon Elson wrote: > On 02/23/2019 02:34 PM, Gene Heskett wrote: > > On Saturday 23 February 2019 12:22:54 Jon Elson wrote: > >> On 02/23/2019 10:41 AM, Peter C. Wallace wrote: > >>> Umm just loaded a software stepgen (lastet master) and it > >>> has no such pins/parameters > >> > >> Right, MIN_LIMIT and MAX_LIMIT are not handled by stepgen or > >> any motion interface hardware, they are handled much higher > >> in LinuxCNC. To reach a smooth deceleration right at the > >> limit position requires it to be limited before the > >> trajectory planner. So, these parameters are picked up out > >> of the [JOINT_n] stanza by something in the motion section. > >> Even the G-code interpreter knows about them, as you will > >> get "program exceeds +X limit at line 1234" messages when > >> loading a program. > >> > >> Jon > > > > I've seen that memo hundreds of times. Maddening when its only 1 > > thou outside of that limit. > > Much LESS maddening than if you didn't have homing and soft > limits set up, and you started in cutting material when it > hit a mechanical limit and wrecked the material or a cutter > or whatever. > I'M SO GLAD I finally set up home and limits on my system. > Well, now I'll have enough i/o to do all that, Jon. And the switches are in a post bag someplace on the continent. I didn't realize just how much of a limit the parport i/o was until I started adding purties to the Sheldon. Haveing 72 bits, 60+ of them for gingerbread by useing the pi and a 7i90. Biggest problem there is the cost of the 7i42TA's, BOTOH, they sure make wiring things up a heck of a lot simpler.
> Jon > > > _______________________________________________ > Emc-users mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/emc-users Cheers, Gene Heskett -- "There are four boxes to be used in defense of liberty: soap, ballot, jury, and ammo. Please use in that order." -Ed Howdershelt (Author) Genes Web page <http://geneslinuxbox.net:6309/gene> _______________________________________________ Emc-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
