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 <[email protected]>wrote: > 2013/7/5 Jon Elson <[email protected]> > > > 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 > [email protected] > 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 [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
