On Thursday 15 October 2020 08:32:07 Roland Jollivet wrote: > Maybe this is good for you, if available locally; > > https://www.olimex.com/Products/Robot-CNC-Parts/MotorDrivers/BB-VNH3SP >30/open-source-hardware
I don't believe it is. paypall refuses to let me in without a valid smart phone number, one that can rx text messages, and I don't have such a critter. It never showed me the USD price either. 36.98 EUR for 2 of them. I wonder if they have a US rep? It looks to be about ideal. > > On Wed, 14 Oct 2020 at 22:42, Gene Heskett <ghesk...@shentel.net> wrote: > > After it finally was delivered, testing looks good but now I need a > > controller, smaller and lower voltage than one of Jons pwm-servo's. > > > > This motor supposedly turns 220 rpms no load with 24 volts applied. > > > > It has an encoder on the rear which is making a 5.4khz quadrature > > signal when its running free, out of 4 wires, no index which is fine > > as I'll put a switch on the BS-1 for a home/index anyway. > > > > This motor draws 4 amps at max rated 100 watt input. > > No clue what the LRA amps is but it does jump pretty good getting > > started so I'd expect startup in-rush to be at least 10 amps. > > > > I'd like to control its position like a common rotary servo axis, so > > what do we have in our linuxcnc toolbox that looks like a bi-dir pwn > > controlled twin H bridge to run a 24volt brushed PMDC motor with a > > 10 amp in-rush as if it were a servo? > > > > Thanks all. > > > > 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 > > _______________________________________________ > Emc-users mailing list > Emc-users@lists.sourceforge.net > 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) 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
