Bruce, Before changing .INI values using HalScope Calibration, I recommend modeling your system first. In other words understand where you are closing your current, velocity, and position loops.
My PPMC system uses Yaskawa servo amps which close the current and velocity loop, leaving EMC2 to close the position loop (only P and FF1 are non-zero in INI). This is known as a P/PI w/FF cascade control because its loops are nested. The other control models are the nested PI/P and the "famous" non-nested PID. All three can be with or without Feed Forward. Check your amplifiers tuning requirements to determine which type of system you have. This will determine what EMC2 needs. Jim -----Original Message----- From: andy pugh [mailto:bodge...@gmail.com] Sent: Tuesday, September 27, 2011 4:12 AM To: Enhanced Machine Controller (EMC) Subject: Re: [Emc-users] Need help with servo tuning On 27 September 2011 05:41, Jon Elson <el...@pico-systems.com> wrote: > his CNC machine apparently was made by Anilam with that > scale, that is only 2540 counts/inch. Didn't Anilam also use velocity tachs too? -- atp "Torque wrenches are for the obedience of fools and the guidance of wise men" ------------------------------------------------------------------------------ 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-d2dcopy1 _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users This communication is for the use of the intended recipient only. It may contain information that is privileged and confidential. If you are not the intended recipient of this communication, the disclosure, copying, distribution or use hereof is prohibited. If you have received this communication in error, please advise me by return e-mail or by telephone and then delete it immediately. ------------------------------------------------------------------------------ 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-d2dcopy1 _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
