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Linuxcnc - plasma router - joint 2 flolowing error

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7 years 2 weeks ago #148018 by tommylight
As PCW said, check all that and please do attach the ziped config folder here so we can look at it.

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7 years 1 week ago #148639 by andypugh
Joint 2 is Z. It sounds like there is some vibration, perhaps that is triggering the switch?

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7 years 1 week ago #148671 by kofaki
Hello,

i replaced the cable for the float switch (new shielded cable) and the problem is the same ... As the control board i use

Your browser does not support embedded PDFs. Please download the file here: Download PDF.



Config is in the attachment

File Attachment:

File Name: cnc-plasma-fk.zip
File Size:4.17 KB


Many thanks

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7 years 5 days ago #148941 by andypugh
If you disconnect the Z limit switch in HAL (you can do this from the command line, once the system is homed) does that solve the problem?

halcmd unlinkp joint.2.pos-lim-sw-in
halcmd unlinkp joint.2.neg-lim-sw-in

They will re-connect if you exit and restart the config.

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7 years 4 days ago #148980 by kofaki
Hello Andypugh,

yeah, that's works if is send the commands from your post.

it's Interesting, that i move with axisY, and the Z float switch is actived in LinuxCNC.

Now i tried the PROMA THC 150 module, but if i run the test on the module, then i see on LinuxCNC active LEDs (move UP and move DOWN) but the motor on axis Z nothing (stopped)

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7 years 4 days ago #148983 by andypugh

kofaki wrote: Hello Andypugh,

yeah, that's works if is send the commands from your post.


OK, that means that it is noise on that signal.

The answer is probably to debounce the signal in HAL.

Is the man page link enough, or do you need more info?
linuxcnc.org/docs/2.8/html/man/man9/debounce.9.html

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