On Thu, 8 Jul 2021, andrew beck wrote:
Date: Thu, 8 Jul 2021 01:34:02 +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
Also when you say Pull down resistor can I just solder that between the pnp
prox output wire and the encoder input?
This would be a resistor between the prox output and ground
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
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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
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