Home all not working

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8 years 4 months ago #111645 by thadwald
Home all not working was created by thadwald
Today I configured the homing process on my engraver retrofit. Homing each individual axis works now. The home all button doesn’t work, however. I do have a HOME_SEQUENCE = n line under each [axis] section. What else can I check?

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8 years 4 months ago #111732 by andypugh
Replied by andypugh on topic Home all not working
Do the home sequence numbers start at 0 and have no gaps? (I think this might be a requirement in 2.8, I can't recall if it was in 2.7)

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8 years 4 months ago #111761 by thadwald
Replied by thadwald on topic Home all not working

andypugh wrote: Do the home sequence numbers start at 0 and have no gaps?


Yes. Specifically, I want it to raise z first (home is up), then home x and y simultaneously. So I have HOME_SEQUENCE = 0 under the z axis section, and HOME_SEQUENCE = 1 under both x and y.

Is there a way to debug or trace what happens when I press the <home all> button?

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8 years 4 months ago #111894 by andypugh
Replied by andypugh on topic Home all not working
Which GUI are you using? As far as I know Axis only displays the home-all button if it believes the homing config to be correct.

Which LinuxCNC version?

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8 years 4 months ago #111928 by thadwald
Replied by thadwald on topic Home all not working
I am running LinuxCNC 2.8 and the gmoccapy UI. The home all button has always been available.

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8 years 4 months ago #111949 by andypugh
Replied by andypugh on topic Home all not working
You can have a look at the joint.N.homing-state to see if anything is happening there.

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8 years 4 months ago #111954 by rodw
Replied by rodw on topic Home all not working
In your ini file I think you have
Code:
KINEMATICS = trivkins coordinates=XYYZ kinstype=BOTH
change it to
Code:
KINEMATICS = trivkins coordinates=XYYZ

This is something in gmocappy that Norbert fixed on a bug report from me.

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8 years 4 months ago #112017 by thadwald
Replied by thadwald on topic Home all not working
The joint.N.homing-state is a number that seems to change whenever the homing sequence is underway. Pressing Home All does not make it change.

In my ini file the KINEMATICS line is
Code:
KINEMATICS = trivkins

I have one motor on each axis. I tried changing this line to
Code:
KINEMATICS = trivkins coordinates=XYZ

It made no difference

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8 years 4 months ago #112031 by rodw
Replied by rodw on topic Home all not working
Leave the coordinates= in there. Its required as it tells Linuxcnc V2.8 which joint aligns with which axis.

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8 years 4 months ago #112517 by thadwald
Replied by thadwald on topic Home all not working
I've also tried this in Axis. the "Home All" button is not available.

I have attached my .ini file. Could someone please take a look at it and see if anything is configured incorrectly for the Home All sequence to work?

Thanks.

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