On Thursday 15 October 2020 12:28:49 Thaddeus Waldner wrote: > Here’s the same item on eBay for 12 bucks plus shipping from Nevada: > https://www.ebay.com/itm/Full-H-Bridge-Motor-Driver-Board-VNH3SP30-30A >-5-5V-36V-DC/184440701488?hash=item2af185c230:g:1SoAAOSwdvlfWS3F > <https://www.ebay.com/itm/Full-H-Bridge-Motor-Driver-Board-VNH3SP30-30 >A-5-5V-36V-DC/184440701488?hash=item2af185c230:g:1SoAAOSwdvlfWS3F> > Thank you, 2 ordered.
> > On Oct 15, 2020, at 11:09 AM, Gene Heskett <ghesk...@shentel.net> > > wrote: > > > > 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-VNH > >>3SP > >> <https://www.olimex.com/Products/Robot-CNC-Parts/MotorDrivers/BB-VN > >>H3SP> 30/open-source-hardware > > > > I give up, none of the 3 USA distributors are carrying that item. > > > >> 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 > > <http://geneslinuxbox.net:6309/gene>> > > > > > > _______________________________________________ > > Emc-users mailing list > > Emc-users@lists.sourceforge.net > > <mailto:Emc-users@lists.sourceforge.net> > > https://lists.sourceforge.net/lists/listinfo/emc-users > > <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
