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How to home at max coordinate ?
4 years 4 days ago #255116
by karnalta
How to home at max coordinate ? was created by karnalta
Hello,
I am starting to put alive my homemade CNC and I face a little problem about my homing that I cannot solve.
My X axis has his limit switch at max coordinate but I don't understand how to setup that in the ini file.
At the moment I have to say that my X axis is from -320.0 to 0 because it look like the limit switch has to be the zero for linuxcnc.
How can I tell linuxcnc that when it hit my limit switch it's x=320.0 and that zero is the soft limit ?
I would like to keep my coordinate system straightforward.
Thank for your help !
I am starting to put alive my homemade CNC and I face a little problem about my homing that I cannot solve.
My X axis has his limit switch at max coordinate but I don't understand how to setup that in the ini file.
At the moment I have to say that my X axis is from -320.0 to 0 because it look like the limit switch has to be the zero for linuxcnc.
How can I tell linuxcnc that when it hit my limit switch it's x=320.0 and that zero is the soft limit ?
I would like to keep my coordinate system straightforward.
Thank for your help !
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4 years 4 days ago #255130
by tommylight
Replied by tommylight on topic How to home at max coordinate ?
Might need to be careful testing this and set the home search and latch and final velocities to some pedestrian values, like 5 for metric system or .2 inch.
Home = 0
home offset -320
change the search and latch and final velocity sign to reflect the directions the machine has to move.
Home = 0
home offset -320
change the search and latch and final velocity sign to reflect the directions the machine has to move.
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4 years 4 days ago #255158
by JPL
Replied by JPL on topic How to home at max coordinate ?
@karnalta: If you want to learn more about this the complete explanation of the homing process is there:
linuxcnc.org/docs/html/config/ini-homing.html
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4 years 4 days ago #255171
by pippin88
Replied by pippin88 on topic How to home at max coordinate ?
Where do you want the axis to move to at the end of homing?
HOME_OFFSET = 320
If you want the axis to stay that place
HOME = 320
If you want the axis to move to 0
HOME = 0
HOME_OFFSET = 320
If you want the axis to stay that place
HOME = 320
If you want the axis to move to 0
HOME = 0
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4 years 3 days ago #255196
by karnalta
Replied by karnalta on topic How to home at max coordinate ?
Sorry for my late reply.
Thank you all, HOME_OFFSET did the trick, it work exactly as I want it now
Thank you all, HOME_OFFSET did the trick, it work exactly as I want it now
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