On Monday 18 February 2013 09:45:38 Tomaz T. did opine: > > Thanks Andy, but that will probably need sent through a scale module > > to calibrate, and lacking the feedback path, will at best be a SWAG > > that will not show slowing vs loading. Adequate for surface speed > > calcs though. > > That's correct, I calibrated RPM's with right gain value for scale > (helped with tachometer): > > loadrt scale count=1 > setp scale.0.in 0 > setp scale.0.gain 0.14 > setp scale.0.offset 0 > addf scale.0 servo-thread > > > His use of the C6 brings up a question in my mind as to "how is the > > 0-10 volts from the C6 actually coupled into the VFD?" > > My VFD has 0-10V reference input, on which I connected C6 output.
<Grin>, just checking. That should have the proper buildout to make the input response to output rpms pretty linear then. [...] Cheers, Gene -- "There are four boxes to be used in defense of liberty: soap, ballot, jury, and ammo. Please use in that order." -Ed Howdershelt (Author) My web page: <http://coyoteden.dyndns-free.com:85/gene> is up! My views <http://www.armchairpatriot.com/What%20Has%20America%20Become.shtml> <Mercury> You don't have to be crazy to be a member of the project, but you will be.. <=:] I was taught to respect my elders, but its getting harder and harder to find any... ------------------------------------------------------------------------------ The Go Parallel Website, sponsored by Intel - in partnership with Geeknet, is your hub for all things parallel software development, from weekly thought leadership blogs to news, videos, case studies, tutorials, tech docs, whitepapers, evaluation guides, and opinion stories. Check out the most recent posts - join the conversation now. http://goparallel.sourceforge.net/ _______________________________________________ Emc-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
