Another thing I noticed is that the Velocity display on the Axis screen is correct. It shows zero velocity after the motor stops (or perhaps where it should have stopped) and stays zero while the motor reverses to the correct position.
Greg ----- Original Message ----- From: "John Kasunich" <[email protected]> To: "Enhanced Machine Controller (EMC)" <[email protected]> Sent: Thursday, August 16, 2012 5:47 PM Subject: Re: [Emc-users] Following error with gantrykins > > > On Thu, Aug 16, 2012, at 11:35 AM, Andrew wrote: >> 2012/8/16 andy pugh <[email protected]> >> > >> Also, can you explain me "The acceleration and deceleration phase each >> use >> half the ini file MAX_ACCELERATION. In a blend that is an exact reversal, >> this causes the total axis acceleration to equal the ini file >> MAX_ACCELERATION" (User concepts). How is it possible that an axis >> decelerates and accelerates simultaneously? > > Each move consists of an acceleration period, a cruise period, and a > deceleration period. In exact stop mode, one move completes all three > periods, then the next move starts. > > When blending, the accel portion of a new move is overlapped with the > decel portion of the previous move. If both moves are in the same > direction, then the accel and decel cancel, and the actual speed > remains constant - perfect blending. > > -- > John Kasunich > [email protected] > > > ------------------------------------------------------------------------------ > Live Security Virtual Conference > Exclusive live event will cover all the ways today's security and > threat landscape has changed and how IT managers can respond. Discussions > will include endpoint security, mobile security and the latest in malware > threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ > _______________________________________________ > Emc-users mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/emc-users -------------------------------------------------------------------------------- No virus found in this incoming message. Checked by AVG - www.avg.com Version: 8.5.455 / Virus Database: 271.1.1/5196 - Release Date: 08/12/12 18:34:00 ------------------------------------------------------------------------------ Live Security Virtual Conference Exclusive live event will cover all the ways today's security and threat landscape has changed and how IT managers can respond. Discussions will include endpoint security, mobile security and the latest in malware threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ _______________________________________________ Emc-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
