On 28 September 2011 22:55, Bruce Klawiter <bmkl...@yahoo.com> wrote:
> I don't understand the difference between CPR and PPR, I am thinking it has > something to do with the A and B channel being 90 degrees out of phase. If > that is the case why is the PPR 4 time higher and not only twice as high. Cycles is the full A+ B+ A- B- cycle. PPR counts both edges of each A and B slot, so is 4x higher. > > The high the line count the better I would assume. As long as your encoder counting hardware can keep up with PPR x RPS, yes. But the numbers get big pretty quickly. -- 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