If you read that whole post, you'll share everyone's disappointment. Apparently there is a bug in that chip that causes incorrect microstep angles and Allegro is unwilling to admit it or correct it.
>Len -----Original Message----- From: BRIAN GLACKIN [mailto:[EMAIL PROTECTED] Sent: Sunday, December 07, 2008 10:48 AM To: Enhanced Machine Controller (EMC) Subject: Re: [Emc-users] microstepping stepper power drive Perhaps this discussion will offer something to you. *New Allegro Bipolar Stepper Driver A3986* http://cnczone.com/forums/showthread.php?t=24699 Opening post suggests 10A at 50V. Have not had the time to read the entire set of posts. On Sun, Dec 7, 2008 at 10:23 AM, Ian W. Wright <[EMAIL PROTECTED]>wrote: > >>How many wires do your motors have? > > >Len > > One has 8, the other 6 so it doesn't really mater whether > the drive is unipolar or bipolar. > > -- > Best wishes, > > Ian > ____________ > Ian W. Wright > Sheffield UK > > "The difference between theory and practice is much smaller > in theory than in practice..." > > > ---------------------------------------------------------------------------- -- > SF.Net email is Sponsored by MIX09, March 18-20, 2009 in Las Vegas, Nevada. > The future of the web can't happen without you. Join us at MIX09 to help > pave the way to the Next Web now. Learn more and register at > > http://ad.doubleclick.net/clk;208669438;13503038;i?http://2009.visitmix.com/ > _______________________________________________ > Emc-users mailing list > Emc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-users > ---------------------------------------------------------------------------- -- SF.Net email is Sponsored by MIX09, March 18-20, 2009 in Las Vegas, Nevada. The future of the web can't happen without you. Join us at MIX09 to help pave the way to the Next Web now. Learn more and register at http://ad.doubleclick.net/clk;208669438;13503038;i?http://2009.visitmix.com/ _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users ------------------------------------------------------------------------------ SF.Net email is Sponsored by MIX09, March 18-20, 2009 in Las Vegas, Nevada. The future of the web can't happen without you. Join us at MIX09 to help pave the way to the Next Web now. Learn more and register at http://ad.doubleclick.net/clk;208669438;13503038;i?http://2009.visitmix.com/ _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users