From: Gene H. <ghe...@sh...> - 2017-01-19 10:44:55
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On Thursday 19 January 2017 04:11:52 ei...@sj... wrote: > > I'm still not sure how such a horrible noise signal gets from the 48 > > volt motor armature switching circuit in the G320 to the input of > > the 7i78 but at least now I know the source and can try to fix it. > > I'm pretty sure that I can't just put a cap across the armature > > outputs of the G320 because that does bad things to the H bridge. > > Did you connect motor-G320 through a shielded cable where the shield > is earth connected? > And, has the G320 been uncovered and inspected for capacitors with swollen or even perforated tops? Or just as bad, white leakage dried on the pcb around the base of the caps. If the power input rail filtering has failed, you are going to be able to tune it in on you am car radio 2 or 3 drainages over. > > ---------------------------------------------------------------------- >-------- 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...@li... > 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> |