On Mon, 13 Sept 2021 at 22:54, Alan Condit <condit.a...@gmail.com> wrote: > I have the Cycletrol-150 Manual. It says that you can replace the 5k ohm > potentiometer with a 0-10v analog signal. The 7i76 manual says that you can > use it to replace a 5k potentiometer control (0-10v). So that should work and > indeed seems to be working. I have tried adjusting the detectors to 90°. I > have an old Tectronix scope and they look pretty good there. It now has a > solid “at speed indication” up to about 250rpm. So now I am suspecting that I > don’t have the PNCConf configuration quite correct for the spindle. At the > top of the range the Speed Indicator fluctuates from about 400 to 600 rpm > while the motor sounds like it is holding dead steady.
You could try plotting encoder _position_ in Halscope to see if it is a straight line. (trigger halscope on a falling edge of spindle index enable, then start (for example) a G33 move) -- 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, 1912 _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
