What's this for again? I have found it preferable to use one of the DC/DC converters off the 24v power supply for steppers (or 48v, but that's a different story, that requires an HV converter and the ones they sell are all- ALL- fakes, you have to mod it with real components).
Danny ---- Gene Heskett <ghesk...@shentel.net> wrote: > On Thursday 29 December 2016 06:25:34 andy pugh wrote: > > > On 29 December 2016 at 04:49, Danny Miller <dan...@austin.rr.com> > wrote: > > > They all look pretty much the same, they're not. > > > > Meanwell is an interesting example of a Chinese brand that has made > > enough of a reputation for being not-awful that others have started > > making fakes. > > (The same has happened with Fotek SSRs, you can no longer tell if you > > are getting a real rip-off of a Crydom or a fake of a rip-off device) > > > > The real Mean Well chassis supplies on the RS web site have > > hexagonal-punched covers. That might be a way to tell: > > http://uk.rs-online.com/web/p/embedded-switch-mode-power-supplies-smps > >/1065822/ > > > > Why not try running from a bench PSU or even batteries as an > > experiment? > > I don't have a bench supply. But I did find an expired computer psu last > night, and extracted the small pcb with most of its input filtering, and > when I get my cramping legs to take me out there, plus input a couple > cups of caffeine, I'll put it incircuit for effects. But first call JT, > he has a 3 amp for little enough. > > Someone mentioned that the real meanwell's covers have hex holes. This > one has round holes. Sigh. > > 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 ------------------------------------------------------------------------------ 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
