The motor works fine, when I swapped it on the machine with another one.
2013/7/5 alex chiosso <achio...@gmail.com> > Hi Viesturs. > > Did you already check the motor windings resistence/impedence ? > Did the motor get any kind of torque ? > > > On Fri, Jul 5, 2013 at 6:25 PM, Viesturs Lācis <viesturs.la...@gmail.com > >wrote: > > > 2013/7/5 Jon Elson <el...@pico-systems.com> > > > > > Viesturs Lācis wrote: > > > > > > > > The drive is ok, motor is ok, cable is ok, but now they are not > working > > > > together. Everything was fine few weeks ago. > > > > > > > Make sure, with a voltmeter, that the commutation signals from the > > > motor are working, and giving a valid logic swing as you rotate the > > > motors. Some Hall sensors need resistor pullup, and if you don't > > > have proper pullup, the signals may be marginal such that they > > > work SOME of the time. > > > > > > > I was trying in "n" mode with no feedback at all - it did not move > either. > > > > Andy, I tried different motor on the same 7i39 channel and it moved > > correctly, so insufficient voltage on 7i39 outputs is not likely, but I > > will check tomorrow morning again. > > > > > > -- > > Viesturs > > > > If you can't fix it, you don't own it. > > http://www.ifixit.com/Manifesto > > > > > ------------------------------------------------------------------------------ > > This SF.net email is sponsored by Windows: > > > > Build for Windows Store. > > > > http://p.sf.net/sfu/windows-dev2dev > > _______________________________________________ > > Emc-users mailing list > > Emc-users@lists.sourceforge.net > > https://lists.sourceforge.net/lists/listinfo/emc-users > > > > ------------------------------------------------------------------------------ > This SF.net email is sponsored by Windows: > > Build for Windows Store. > > http://p.sf.net/sfu/windows-dev2dev > _______________________________________________ > Emc-users mailing list > Emc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-users > -- Viesturs If you can't fix it, you don't own it. http://www.ifixit.com/Manifesto ------------------------------------------------------------------------------ This SF.net email is sponsored by Windows: Build for Windows Store. http://p.sf.net/sfu/windows-dev2dev _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
