Hi Miroslav, that's even less. I'd say it's realistic to expect about 25-30.000 pulses / second from emc2 without majour problems.
Regarding trapezoidal profile, it does it properly if you set the right acceleration values. S-curve profiles haven't been implemented yet. Regards, Alex ----- Original Message ----- From: Miroslav Pejic To: [EMAIL PROTECTED] ; Enhanced Machine Controller (EMC) Sent: Saturday, November 17, 2007 9:53 PM Subject: Re: [Emc-users] LiveCD update HI MATT, MY BIG MISTAKE! IT ISN'T 600 BUT 60 PULSES IN 75 MILISECONDS REGARDS, MIROSLAV On 11/17/07, Matthew Glenn Shaver < [EMAIL PROTECTED]> wrote: On Sat, 2007-11-17 at 18:47 +0100, Miroslav Pejic wrote: > Hi Alex, > I'm about to use emc2 to drive my embroidery multihead machine. But, > I'm not shure about speed. Embroidery machine runs at 400 rpm.That > means Emc2 must generate up to 600 pulses in 75 miliseconds, at two > independent paralell port lines, and with acceleration and > decceleration phases, trapesoidal (or S-curve shape if possible). > After this is 75 miliseconds pause for preparing next pulse > generation. > > Question is: is this possible ? 600 pulses / 75 milliseconds = 8 pulses/millisecond, or 8000 pulses per second. This should be no problem at all! Matt ------------------------------------------------------------------------- This SF.net email is sponsored by: Microsoft Defy all challenges. Microsoft(R) Visual Studio 2005. http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/ _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users ------------------------------------------------------------------------- This SF.net email is sponsored by: Microsoft Defy all challenges. Microsoft(R) Visual Studio 2005. http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/ _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users No virus found in this incoming message. Checked by AVG Free Edition. Version: 7.5.503 / Virus Database: 269.16.0/1135 - Release Date: 11/16/2007 10:58 PM ------------------------------------------------------------------------- This SF.net email is sponsored by: Microsoft Defy all challenges. Microsoft(R) Visual Studio 2005. http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/ _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
