oof.. Read the manual sam.... This TTL level input signal turns off all power devices of the “H” bridge when pulled to ground with SW1-6=ON. If SW1-6 = OFF pulling this pin to ground will enable the amplifier. This inhibit will cause a fault condition and a red LED.
On Wed, Jan 29, 2025 at 6:19 PM Peter Wallace <p...@mesanet.com> wrote: > On Wed, 29 Jan 2025, Sam Sokolik wrote: > > > Date: Wed, 29 Jan 2025 18:13:26 -0600 > > From: Sam Sokolik <samco...@gmail.com> > > Reply-To: "Enhanced Machine Controller (EMC)" > > <emc-users@lists.sourceforge.net> > > To: "Enhanced Machine Controller (EMC)" <emc-users@lists.sourceforge.net > > > > Subject: Re: [Emc-users] 7i97 issue with pwmgen.04 > > > > It also would enable your drive > (OPTO off) on a watchdog bite or at power up. > > I have a relay that powers the drives that are run from an estop/mesa > ssr... So this would not be a problem as if the watchdog bits or whatever > - that relay drops out > > sam > > > A spare SSR output may do (no issue inverting it) > > > > On Wed, Jan 29, 2025 at 5:54ÿÿPM Sam Sokolik <samco...@gmail.com> wrote: > > > ok - Maybe I can invert it at the drive.. AMC seems to be willy nilly on > > how it is setup (the 2 drives I have are totally opposite enable.) > > > > On Wed, Jan 29, 2025 at 5:52ÿÿPM Peter Wallace <p...@mesanet.com> wrote: > > > >> On Wed, 29 Jan 2025, Sam Sokolik wrote: > >> > >> > Date: Wed, 29 Jan 2025 17:41:45 -0600 > >> > From: Sam Sokolik <samco...@gmail.com> > >> > Reply-To: "Enhanced Machine Controller (EMC)" > >> > <emc-users@lists.sourceforge.net> > >> > To: "Enhanced Machine Controller (EMC)" < > >> emc-users@lists.sourceforge.net> > >> > Subject: Re: [Emc-users] 7i97 issue with pwmgen.04 > >> > > >> > ugh - I had mouse pads.. > >> > >> Anyway - I did some testing. > >> If you set 'setp hm2_7i97.0.pwmgen.04.enable.invert_output true' > >> > >> the output instantly goes to -10v > >> When you enable the pwmgen - then it goes to 10v.. > >> > >> It works normally if you don't invert the enable. > >> It does invert the enable though (this drive needed an inverted enable > to > >> work) > >> > >> sam > >> > >> Yeah, you cannot do that (invert the enable) on a 7I97/7I97T/7I36 as the > >> PWM > >> enable also effects the analog circuitry. It also would enable your > drive > >> (OPTO off) on a watchdog bite or at power up. > >> > >> Probably need to use an external relay or form B opto > >> > >> > >> > >> > >> On Wed, Jan 29, 2025 at 5:11ÿÿÿÿPM Sam Sokolik <samco...@gmail.com> > wrote: > >> > >> > > >> > > >> > On Wed, Jan 29, 2025 at 9:56ÿÿÿÿAM Sam Sokolik <samco...@gmail.com> > >> wrote: > >> > > >> >> I thought that inverted the enable output? (I mean - it worked for > >> this > >> >> drive...) The reason I switched to the 4th pwm is that the enable is > >> >> separated compared to 0-3.. > >> >> > >> >> sam > >> >> > >> >> On Wed, Jan 29, 2025 at 9:53ÿÿÿÿAM andy pugh <bodge...@gmail.com> > wrote: > >> >> > >> >>> On Wed, 29 Jan 2025 at 14:28, Sam Sokolik <samco...@gmail.com> > wrote: > >> >>> > setp hm2_7i97.0.pwmgen.pdm_frequency 75000 > >> >>> > setp hm2_7i97.0.pwmgen.00.offset-mode TRUE > >> >>> > setp hm2_7i97.0.pwmgen.00.output-type 1 > >> >>> > setp hm2_7i97.0.pwmgen.04.output-type 1 > >> >>> > setp hm2_7i97.0.pwmgen.04.offset-mode TRUE > >> >>> > setp hm2_7i97.0.pwmgen.04.enable.invert_output true > >> >>> > #setp hm2_7i97.0.pwmgen.00.enable true > >> >>> > >> >>> > what am I doing wrong? > >> >>> > >> >>> The obvious difference is the "invert output" > >> >>> What happens without that? > >> >>> > >> >>> > >> >>> -- > >> >>> atp > >> >>> "A motorcycle is a bicycle with a pandemonium attachment and is > >> >>> designed for the especial use of mechanical geniuses, daredevils and > >> >>> lunatics." > >> >>> ÿÿÿÿ George Fitch, Atlanta Constitution Newspaper, 1912 > >> >>> > >> >>> > >> >>> _______________________________________________ > >> >>> Emc-users mailing list > >> >>> Emc-users@lists.sourceforge.net > >> >>> https://lists.sourceforge.net/lists/listinfo/emc-users > >> >>> > >> >> > >> > >> _______________________________________________ > >> Emc-users mailing list > >> Emc-users@lists.sourceforge.net > >> https://lists.sourceforge.net/lists/listinfo/emc-users > >> > >> Peter Wallace > >> Mesa Electronics_______________________________________________ > >> Emc-users mailing list > >> Emc-users@lists.sourceforge.net > >> https://lists.sourceforge.net/lists/listinfo/emc-users > >> > > > > _______________________________________________ > Emc-users mailing list > Emc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-users > > Peter Wallace > Mesa Electronics_______________________________________________ > Emc-users mailing list > Emc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-users > _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
