On Mon, 13 Jan 2020 at 05:18, John Dammeyer <jo...@autoartisans.com> wrote:
> I have LinuxCNC with the parallel port configured to create 1kHz on PIN14 and > DIR on PIN16 out through the PMDX-126. Through my adaptor board I can run > the Bergerda AC Servo from 135 RPM all the way up to 2950 RPM. The PWM to > 0V-10V board was only $11.23 Cdn and works best with a max of 1kHz. Any > higher and the low end won't drop below about 500 RPM. [/quote] I think that you will have trouble with a 1kHz servo thread and a 1kHz PWM. > That doesn't work for > setp hm2_7i92.0.pwmgen.00.pwm-freq 1000.0 > > How do I set the PWM frequency? Googling hm2_7i92 doesn't turn up anything > that is helpful. The generic docs for Mesa card HAL is here: http://linuxcnc.org/docs/2.7/html/man/man9/hostmot2.9.html#pwmgen But to find that you do need to know that the Mesa firmware is called Hostmot2, and that the docs section exists. It should be setp hm2_7i92.0.pwmgen.00.pwm-frequency 1000.0 -- 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
