I have it maybe 80% there..   The latest image for the rpi5 has been
awesome.  No issues

https://www.youtube.com/watch?v=s021CRrXfjU

On Wed, Jan 29, 2025 at 7:13 PM Sam Sokolik <samco...@gmail.com> wrote:

> that fixed it - I am an idiot.  The smaller amc drives don't have that
> option (switching the enable with a switch)
>
> On Wed, Jan 29, 2025 at 6:28 PM Sam Sokolik <samco...@gmail.com> wrote:
>
>> 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
>>>
>>

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