Parallel Port XYYZ Gantry Homing Linuxcnc 2.9.4
- captain chaos
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24 Feb 2025 02:35 #322428
by captain chaos
Parallel Port XYYZ Gantry Homing Linuxcnc 2.9.4 was created by captain chaos
Homing my greatest bugbear. I simply can't get my head around this one.
I wish to have my new machine home X axis and Z axis using one pin IE pin 11
and the two Y axes on pin 12.
I would prefer to have the Z axis home before the X.
The 2 Y axes should home together in whichever drive arrives first.
I have tried a number of things but have reverted to this setup.
Any help would be greatly appreciated.
Cheers Paul
I wish to have my new machine home X axis and Z axis using one pin IE pin 11
and the two Y axes on pin 12.
I would prefer to have the Z axis home before the X.
The 2 Y axes should home together in whichever drive arrives first.
I have tried a number of things but have reverted to this setup.
Any help would be greatly appreciated.
Cheers Paul
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- tommylight
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24 Feb 2025 04:46 #322436
by tommylight
Replied by tommylight on topic Parallel Port XYYZ Gantry Homing Linuxcnc 2.9.4
It is not possible to use the same pin for tandem axis homing, but you can use one pin for home_all and the second for home Y2 as in the attached example from a working machine.
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- rodw
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24 Feb 2025 06:45 #322462
by rodw
Replied by rodw on topic Parallel Port XYYZ Gantry Homing Linuxcnc 2.9.4
Also note how Tommy has used HOME_SEQUENCE to home the Z axis first.It is not possible to use the same pin for tandem axis homing, but you can use one pin for home_all and the second for home Y2 as in the attached example from a working machine.
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- captain chaos
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24 Feb 2025 07:25 #322467
by captain chaos
Replied by captain chaos on topic Parallel Port XYYZ Gantry Homing Linuxcnc 2.9.4
yea i have thanks but now have to clean up my ini dos corruptions i did not realise that notepad from wine was used to open my ini file.
Just up graded from 18.04 to 20.04 Ubuntu hoping to get better speed from my machine and it has become a bit of s doze machine.
Just up graded from 18.04 to 20.04 Ubuntu hoping to get better speed from my machine and it has become a bit of s doze machine.
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- rodw
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24 Feb 2025 09:46 #322476
by rodw
Replied by rodw on topic Parallel Port XYYZ Gantry Homing Linuxcnc 2.9.4
if you have CRLF as line endings, there is a command line program dos2unix (might need installing) that will clean it up.
In Windows you can use notepad++ and it has settings to talk in linux format (no CR)
In Windows you can use notepad++ and it has settings to talk in linux format (no CR)
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26 Feb 2025 08:55 - 26 Feb 2025 08:57 #322670
by captain chaos
Replied by captain chaos on topic Parallel Port XYYZ Gantry Homing Linuxcnc 2.9.4
Thanks Rod I had seen your post on that subject earlier.
Now I have been banging my head on setting up NPN NC induct prox switches and one of my concerns is that maybe the parport is faulty or not configured right.
The par port tester in the wiki is broken page 404 not found for the files.
Fortunately I found Big John T's file and script here.
forum.linuxcnc.org/18-computer/4743-parallel-port-tester#4743
Now I have been banging my head on setting up NPN NC induct prox switches and one of my concerns is that maybe the parport is faulty or not configured right.
The par port tester in the wiki is broken page 404 not found for the files.
Fortunately I found Big John T's file and script here.
forum.linuxcnc.org/18-computer/4743-parallel-port-tester#4743
Last edit: 26 Feb 2025 08:57 by captain chaos. Reason: grammer
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26 Feb 2025 13:35 #322694
by tommylight
Replied by tommylight on topic Parallel Port XYYZ Gantry Homing Linuxcnc 2.9.4
Parallel port tester is included with LinuxCNC, use the config picker to find it, it copies itself into your working config folder so you can edit it there, if needed.
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