On Friday 06 January 2017 14:13:07 andy pugh wrote: > On 6 January 2017 at 18:55, Gene Heskett <ghesk...@shentel.net> wrote: > > Switching back to the bare hook tip on the probe, I found about a 15 > > volt square, with tons of ringing at about half the square parts > > amplitude, > > Have you tried simply turning things off one at a time?
Thats some of what I was doing today. Conclusion? Monitor, pi and 7i90 can run although there is some noise from the vfd. I didn't get up on my high stool and disconnect the vfd, but lcnc seemed to run without any spastics from the encoder-velocity on a halmeter. I'll try that when I locate some more giddy up. If that cleans it up well, thats the first place I'll put one of these filters, and while doing that, will see if that ground terminal is connected to anything on the power input strip. This teeny little booklet is less than explicit on that point. The power drawings it has show a hookup for a braking resistor, but thats not the only thing not found in the unit. It also shows something resembling an rs-232 plugin socket. That does not exist either. No provision for either anyplace on its pcb's. Not even empty solder pads. Thanks Andy. 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> ------------------------------------------------------------------------------ Check out the vibrant tech community on one of the world's most engaging tech sites, SlashDot.org! http://sdm.link/slashdot _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
