Andy Holcomb wrote: > > John Kasunich wrote: >> Andy Holcomb wrote: >>> John Kasunich wrote: >>>> Andy Holcomb wrote: >>>>> On EMC1, I was running Axis speeds of more than 120ipm, I can't get EMC >>>>> 2 past around 60. I am running a 1.6 ghz computer. >>>> Steppers or servos? >>> Steppers >>>> What step frequency does your machine need to get 120ipm? >> You didn't answer this one. > 4000 steps per inch > (120 * 4000)/60 = 8000 ?
120 ipm should be a piece of cake then. If you only need 8000 steps per second, you can make BASE_PERIOD something like 30000 and still have plenty of headroom. The larger period will reduce the load on your PC, and give you more timing margin to allow for latency. Regards, John Kasunich ------------------------------------------------------------------------- Take Surveys. Earn Cash. Influence the Future of IT Join SourceForge.net's Techsay panel and you'll get the chance to share your opinions on IT & business topics through brief surveys-and earn cash http://www.techsay.com/default.php?page=join.php&p=sourceforge&CID=DEVDEV _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
