What I'm seeing (and I'm not a linuxcnc expert) looks correct. After the
homing sequence it jumps to HOME. This is documented here (0.1.3.7)
http://linuxcnc.org/docs/2.4/html/config_ini_homing.html
-Original Message-
From: Feral Engineer [mailto:theferalengin...@gmail.com]
Sent:
On Sun, 4 Apr 2021 at 04:58, Feral Engineer
wrote:
> Finally getting back around to messing with this mechanical/prox home
> issue. See attached video link. I show what it is doing and explain what I
> want it to do.
>
What feeds joint.0.motor-pos-fb ?
--
atp
"A motorcycle is a bicycle with a
On Sun, 4 Apr 2021 at 09:45, Frank Tkalcevic
wrote:
> What I'm seeing (and I'm not a linuxcnc expert) looks correct. After the
> homing sequence it jumps to HOME. This is documented here (0.1.3.7)
> http://linuxcnc.org/docs/2.4/html/config_ini_homing.html
Note that those are ancient docs.
Andy,
Joint.0.motor-pos-fb is tied to 7i76 stepgen.00.position-fb
Getting video of the situation now
Phil T.
The Feral Engineer
Check out my LinuxCNC tutorials, machine builds and other antics at
www.youtube.com/c/theferalengineer
On Sun, Apr 4, 2021, 11:04 AM Feral Engineer
wrote:
> That's
On Sun, 4 Apr 2021, Feral Engineer wrote:
Date: Sun, 4 Apr 2021 11:04:10 -0400
From: Feral Engineer
Reply-To: "Enhanced Machine Controller (EMC)"
To: "Enhanced Machine Controller (EMC)"
Subject: Re: [Emc-users] [Emc-developers] Home_use_index issue revisited
That's the thing, though.
On Sun, 4 Apr 2021, Dewey Garrett wrote:
Date: Sun, 4 Apr 2021 15:36:30 - (UTC)
From: Dewey Garrett
Reply-To: "Enhanced Machine Controller (EMC)"
To: emc-users@lists.sourceforge.net
Subject: Re: [Emc-users] [Emc-developers] Home_use_index issue revisited
The git *master* branch has
I'll do some repeatability testing on Tuesday. Between Easter family
visits, work and band practice tomorrow night, I won't have a chance to get
back on the machine until then.
When I had the and2 gate connecting both switches last night as my last
ditch effort, it repeated perfectly over a dozen
On Sun, 4 Apr 2021 at 16:26, Feral Engineer
wrote:
But that's how I have it set up. The prox is set as encoder index and it
> finds it but after it finds it, it goes back to the position the machine
> was at during startup. That's what I'm trying to fix. How do i fix this?
The point of
Well, it's working now with HOME_INDEX_NO_ENCODER_RESET = YES, so I'm a
happy little clam. If it didn't, I was about to start ripping into source
code and breaking stuff because I wanted it to work. You guys created a
monster. I like Linuxcnc so much, I started learning C and plan on moving
to C++
On Sunday 04 April 2021 11:42:24 Feral Engineer wrote:
> That might be worth a try.
>
> Is it safe to load the build bot master repository on a pi?
>
> Phil T.
> The Feral Engineer
>
Sure, I'm doing git pulls and building master on a pi4, 6 to 10 times a
week. Then installing the debs built.
I'm driving the steppers with the stepgens on the 7i76e, but when the axis
hits the mechanical switch, it sets the DRO to zero against that, moves to
the prox pulse then goes back to the original startup position then sets
zero back to there... I just don't see a correlation to how it's working
Phil,
I agree with you.
The one event that scared me the most was setting up a new AB 8400 retrofit. AB
improved the "G" software to go to zero after home (undocumented).The machine
was a P Wolverine with three spindle heads X 120" Y 50" Z 24" and 40HP. The
true thrill of Z axis trying to
That's the thing, though. The behavior is completely arbitrary based on
where the machine is powered up.
When I use the mechanical switches, it'll find them, back away and zero is
right there. Works perfect.
As soon as I add the index pulse, it just takes off and goes back to where
it came from
That might be worth a try.
Is it safe to load the build bot master repository on a pi?
Phil T.
The Feral Engineer
Check out my LinuxCNC tutorials, machine builds and other antics at
www.youtube.com/c/theferalengineer
On Sun, Apr 4, 2021, 11:38 AM Dewey Garrett wrote:
> The git *master*
But home should be referenced from the switch and reset with the proxy as
the index pulse. I don't see this as normal behavior. Homing against the
switch then moving to some arbitrary position defeats the purpose of having
a homing sequence. If you watch my video, "zero" is purely dependent on
On Sun, 4 Apr 2021 at 15:28, Feral Engineer
wrote:
I'm driving the steppers with the stepgens on the 7i76e, but when the axis
> hits the mechanical switch, it sets the DRO to zero against that, moves to
> the prox pulse then goes back to the original startup position then sets
> zero back to
The git *master* branch has an ini setting that may be relevant
for this use case:
http://linuxcnc.org/docs/master/html/config/ini-config.html
"HOME_INDEX_NO_ENCODER_RESET = NO - Use YES if the encoder
used for this joint does not reset its counter when an
index pulse is detected after assertion
On Sun, 4 Apr 2021, Feral Engineer wrote:
Date: Sun, 4 Apr 2021 11:40:54 -0400
From: Feral Engineer
Reply-To: "Enhanced Machine Controller (EMC)"
To: "Enhanced Machine Controller (EMC)"
Subject: Re: [Emc-users] [Emc-developers] Home_use_index issue revisited
What kind of voodoo do I use
On Sun, 4 Apr 2021, Feral Engineer wrote:
Date: Sun, 4 Apr 2021 12:05:45 -0400
From: Feral Engineer
Reply-To: "Enhanced Machine Controller (EMC)"
To: "Enhanced Machine Controller (EMC)"
Subject: Re: [Emc-users] [Emc-developers] Home_use_index issue revisited
I'll do some repeatability
I did it from the buildbot buster repository and it worked a treat
Phil T.
The Feral Engineer
Check out my LinuxCNC tutorials, machine builds and other antics at
www.youtube.com/c/theferalengineer
On Sun, Apr 4, 2021, 12:35 PM Gene Heskett wrote:
> On Sunday 04 April 2021 11:42:24 Feral
On Sun, 4 Apr 2021 at 17:35, Feral Engineer
wrote:
On the surface, it looked like I was doing everything correctly. The prox
> was set up as software encoder phase Z and it was catching the signal.
If you were using a software stepgen you could make it work too:
1) Set up the stepgen in
On Sun, 4 Apr 2021, Feral Engineer wrote:
Date: Sun, 4 Apr 2021 10:04:29 -0400
From: Feral Engineer
Reply-To: "Enhanced Machine Controller (EMC)"
To: "Enhanced Machine Controller (EMC)"
Subject: Re: [Emc-users] [Emc-developers] Home_use_index issue revisited
But home should be
Sorry Andy, just saw your replies for some reason. I'll go look at my files
and let you know.
Besides what I'm trying to do with the home switches, everything else is
native output from pncconf.
Give me a few minutes and I'll go look. Gotta do the Easter thing in a
little while.
Phil T.
The
But that's how I have it set up. The prox is set as encoder index and it
finds it but after it finds it, it goes back to the position the machine
was at during startup. That's what I'm trying to fix. How do i fix this?
Phil T.
The Feral Engineer
Check out my LinuxCNC tutorials, machine builds
What kind of voodoo do I use to have the index pulse of the prox reset the
encoder position? It finds the index signal from the prox, but doesn't
behave the way i think it should. If I don't have the prox index set up, it
just keeps drifting along because it doesn't find the index.
Phil T.
The
THANK YOU DEWEY GARRETT!! IT WORKS!
Phil T.
The Feral Engineer
Check out my LinuxCNC tutorials, machine builds and other antics at
www.youtube.com/c/theferalengineer
On Sun, Apr 4, 2021, 11:50 AM Feral Engineer
wrote:
> You don't know how my brain works, though... I'm obsessive to the max. If
You don't know how my brain works, though... I'm obsessive to the max. If
it can be done, I'll spend days having at it to make it work.
Phil T.
The Feral Engineer
Check out my LinuxCNC tutorials, machine builds and other antics at
www.youtube.com/c/theferalengineer
On Sun, Apr 4, 2021, 11:48 AM
On Sun, 4 Apr 2021, Feral Engineer wrote:
Date: Sun, 4 Apr 2021 11:23:32 -0400
From: Feral Engineer
Reply-To: "Enhanced Machine Controller (EMC)"
To: "Enhanced Machine Controller (EMC)"
Subject: Re: [Emc-users] [Emc-developers] Home_use_index issue revisited
But that's how I have it set
Trying to use the index functionality is adding a layer of complexity you
don't need. Just and the 2 switches together and run them into the home
input.
On Sun, Apr 4, 2021, 10:44 AM Feral Engineer
wrote:
> That might be worth a try.
>
> Is it safe to load the build bot master repository on a
My feed to the prox is pretty slow and it's just a benchtop machine, so I'm
not worried about holding billionths, it's just nice to retrofit the
machine with all of the original functionality. I figured the machine came
set up with a mechanical and proximity home sensor on x and z and dammit,
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