On 23 March 2017 at 21:45, hubert <h...@hbahr.org> wrote: > I am contemplating purchase of this one > http://www.ebay.co.uk/itm/Harmonic-drive-systems-Used-FHA-17C-100-E250-AC-Servo-Actuator-/111964389396?hash=item1a11990014:g:jCQAAOSwjMJXCcGL > If I read it right it has 100 to one step down ratio and 2500 pulses per > revolution, I don't know what the E signifies. I am assuming that the > 2500 pulses is for 1 revolution of the Servo motor, not the output drive.
Be very sure that you can drive the FHA-nnC variant, I think they have a serial absolute encoder. The (much older) FHA-nnB have ordinary quadrature encoders and hall sensors. -- atp "A motorcycle is a bicycle with a pandemonium attachment and is designed for the especial use of mechanical geniuses, daredevils and lunatics." — George Fitch, Atlanta Constitution Newspaper, 1916 ------------------------------------------------------------------------------ Check out the vibrant tech community on one of the world's most engaging tech sites, Slashdot.org! http://sdm.link/slashdot _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
