On Tuesday 29 December 2020 08:34:33 Todd Zuercher wrote: > Sounds like you've got it sorted now.
Not quite, I can't make it run in reverse thru the rs485 interface. And the same speed signal value runs it 2x faster thru the rs485. I'll get it, but probably not while 2 of my boys and one of the DIL's is in town. Tomorrow is talking warmer, and the rifle range is calling. We've all got some new stuff to show off. > > I struggled with and lived with what seemed like continuous com errors > for years with Mb2hal and the Lenze VFDs I have. I could not figure > it out. It turned out the problem was LinuxCNC always tryed to write > an S0 speed to the VFD when it was commanded to be stopped, but the > VFD would not accept zero as a valid speed command and treated it as a > com error. Once I figured that out, I just had to set up some Hal > trickery to block zero from being written and all of the com errors > disappeared. > I'm getting some crc errors when the spindle is running, but no shakes in the speed reported. I'd hazard a guess and say the error is making it throw away the bad readings. Might be noise on the cable. It could be about 4 feet shorter. I've a couple screenshots showing hy_vfd status while running fwd and trying to run reverse, but the moderator is holding them because the message is 250k bigger than the limit. But it was only 300k leaving here. Claims it over half a meg, when its one paragraph of text and 2 150k jpg's. Doesn't make sense. Thanks Todd. > Todd Zuercher > P. Graham Dunn Inc. > 630 Henry Street > Dalton, Ohio 44618 > Phone: (330)828-2105ext. 2031 > 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) If we desire respect for the law, we must first make the law respectable. - Louis D. Brandeis Genes Web page <http://geneslinuxbox.net:6309/gene> _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
