Also when you say Pull down resistor can I just solder that between the pnp
prox output wire and the encoder input?

On Thu, Jul 8, 2021, 1:27 AM andrew beck <andrewbeck0...@gmail.com> wrote:

> Looks like I bought the wrong type of switch then lol.
>
> Do you think I'll lose accuracy with a resistor?
>
>
> Remember this is my index pulse for spindle..
>
>
>
> On Thu, Jul 8, 2021, 1:15 AM Peter C. Wallace <p...@mesanet.com> wrote:
>
>> On Wed, 7 Jul 2021, andrew beck wrote:
>>
>> > Date: Wed, 7 Jul 2021 20:47:35 +1200
>> > From: andrew beck <andrewbeck0...@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] spindle orientation help for a 7i77 card
>> looking for
>> >     configs to study
>> >
>> > peter you found it lol!
>> >
>> > I have the spindle turned on by a standard output from the 7i77 card
>> anyway
>> > so didn't check that the spindle enable signal was turning on the
>> > hm2_5i25.0.7i77.0.1.spinena pin
>> >
>> > i just went through it again and double checked stuff and netted the
>> > spinena pin also and it works.  I didn't realise that the analog out
>> value
>> > only works if the spinena is on.  but I know now
>> >
>> > so next issue is I have a 5v pnp prox that I want to put on the spindle
>> for
>> > a index sensor as my motor/gearbox ratio is not 1-1.
>> >
>> > PCW can I use a 5v pnp sensor straight into the 7i77 encoder input same
>> as
>> > I would do with the field io?
>> >
>>
>> The encoder inputs have a 2K pullup resistor to 5V so you would need a
>> relatively stiff pull down resistor on the output of the PNP sensor for
>> that to
>> work (say 270 ohm)
>>
>> >
>> > ps john.  I will add post up my config once I have it working real nice
>> for
>> > everyone to copy.  anyone that has a 7i77 card should be able to just
>> plug
>> > in and get spindle orientation so long as they have a suitable vfd
>> >
>> >
>> > regards
>> >
>> > Andrew
>> >
>> > <
>> https://www.avast.com/sig-email?utm_medium=email&utm_source=link&utm_campaign=sig-email&utm_content=webmail
>> >
>> > Virus-free.
>> > www.avast.com
>> > <
>> https://www.avast.com/sig-email?utm_medium=email&utm_source=link&utm_campaign=sig-email&utm_content=webmail
>> >
>> > <#DAB4FAD8-2DD7-40BB-A1B8-4E2AA1F9FDF2>
>> >
>> > On Wed, Jul 7, 2021 at 3:38 AM Peter C. Wallace <p...@mesanet.com>
>> wrote:
>> >
>> >> On Tue, 6 Jul 2021, andrew beck wrote:
>> >>
>> >>> Date: Tue, 6 Jul 2021 18:35:26 +1200
>> >>> From: andrew beck <andrewbeck0...@gmail.com>
>> >>> Reply-To: "Enhanced Machine Controller (EMC)"
>> >>>     <emc-users@lists.sourceforge.net>
>> >>> To: "Enhanced Machine Controller (EMC)" <
>> emc-users@lists.sourceforge.net
>> >>>
>> >>> Subject: [Emc-users] spindle orientation help for a 7i77 card looking
>> for
>> >>>     configs to study
>> >>>
>> >>> hey everyone.
>> >>>
>> >>> i have been messing around all day with my cnc mill trying to get
>> spindle
>> >>> orientation working so that I can get my toolchanger working
>> >>>
>> >>>
>> >>>
>> >>> I found a video on youtube from Tallas83 that showed what  I want to
>> do
>> >> but
>> >>> he used a 5i20 card and 7i33 and I am having trouble converting it to
>> a
>> >>> standard 7i77 mesa card set up.
>> >>>
>> >>>
>> >>> https://www.youtube.com/watch?v=EoXoOYSFY2Q
>> >>>
>> >>>
>> >>> I got it to load the new config eventually had to change all the
>> motion
>> >>> pins to spindle.0 stuff but still getting a bit stuck when I issue a
>> m19
>> >> r0
>> >>> command the spindle locks but doesn't rotate.  and I can see on my vfd
>> >> that
>> >>> the frequency reference is not getting through even though in the hal
>> >>> configuration the hm2 analog 05 output is showing a value.  If I
>> switch
>> >>> back to my old config it fires right up so hardware is fine.
>> >>>
>> >>
>> >>
>> >> Is hm2_5i25.0.7i77.0.1.spinena true?
>> >> (analog out 5 has a separate enable)
>> >>
>> >>>
>> >>>
>> >>> does anyone out there have this working that can help.  I don't need
>> too
>> >>> much hand holding I think and I have played with linuxcnc for several
>> >> years
>> >>> now.  just getting stuck up against a wall.
>> >>>
>> >>> regards
>> >>>
>> >>> Andrew
>> >>>
>> >>> _______________________________________________
>> >>> 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
>>
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>>
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>

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