On Tue, 2011-10-11 at 12:41 -0500, Jon Elson wrote: > Frank Tkalcevic wrote: > > I opened the first pdf and it has an article on pid tuning. It suggests > > applying a square wave command and tuning from that. How hard is it to > > generate a square wave in emc? Will this require hal trickery or can it be > > done with GCode? > > > Yes, there is a hal component called siggen that can produce sine and > square waves.
It seems to me that an external square signal might cause an overly aggressive acceleration. I did my tunning with a g-code 1 inch dance or shuffle, seemed to work okay. -- Kirk Wallace http://www.wallacecompany.com/machine_shop/ http://www.wallacecompany.com/E45/index.html California, USA ------------------------------------------------------------------------------ All the data continuously generated in your IT infrastructure contains a definitive record of customers, application performance, security threats, fraudulent activity and more. Splunk takes this data and makes sense of it. Business sense. IT sense. Common sense. http://p.sf.net/sfu/splunk-d2d-oct _______________________________________________ Emc-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
