Homemade, cheap, plasma CNC

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11 Aug 2021 08:12 #217483 by rodw
Replied by rodw on topic Homemade, cheap, plasma CNC

At least it can be used without massive latency like the builtin causes on my Brix J1900.


I’m curious… did you have to disconnect the card inside the computer or was disabling the Sufi enough?

Its a long time ago but I think not installing the driver was sufficient but I removed the supplied Intel Bluetooth/wifi card to be sure. 
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08 Nov 2021 08:45 #225640 by RNJFAB
Replied by RNJFAB on topic Homemade, cheap, plasma CNC
Update - 8/11/21

New pc (2007 iMac) to install QTplasmac.

Still working through some coding issues to get the probe/float to work, and then we can start cutting again.

 

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08 Nov 2021 09:53 #225649 by tommylight
To test the float switch all you have to do is move the torch up by hand and watch the screen, the "float" LED should turn on even when machine is disabled.
I think i already mentioned this, but probably the float switch pin is not in HAL where it should be.

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08 Nov 2021 10:13 #225654 by RNJFAB
Replied by RNJFAB on topic Homemade, cheap, plasma CNC
Thanks Tommy,
the 'float' led doesn't light up.

I have checked the Hal show and can see it working so know the mechanical side of things is right.

I setup using PnCConf wizard.

Can you share a copy of your HAL file and what it should look like, I have tried to use what was working in PlasmaC Hal file, however haven't got this right yet.

Cheers

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08 Nov 2021 10:33 #225658 by tommylight
Yes i can but it will confuse you even more as all my Plasma configs are hand edited.
I will upload them when i get to the machines.

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08 Nov 2021 11:25 #225664 by phillc54
In your Hal file you should a a line something along the lines of:

net plasmac.float <= your-hal-pin-that-lights-up
 
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08 Nov 2021 11:42 #225666 by RNJFAB
Replied by RNJFAB on topic Homemade, cheap, plasma CNC
 

File Attachment:

File Name: PLASMAhal.txt
File Size:14 KB


My Hal file
Key lines
85 # --- PROBE-IN ---
86 net float-switch    <=  hm2_7i96.0.gpio.008.in

311 #  ---probe signal---
313 net float-switch     =>  motion.probe-input

334 et plasmac:float-switch-out     db_float.out                =>  plasmac.float-switch

 
Attachments:

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08 Nov 2021 11:49 #225667 by phillc54
313 should be:

net float-switch => db_float.in
 

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08 Nov 2021 11:55 - 08 Nov 2021 12:29 #225668 by RNJFAB
Replied by RNJFAB on topic Homemade, cheap, plasma CNC
Error - 316: Pin 'db_float.in' was already linked to signal 'plasmac:float-switch'

Line 38 in Hal file
38 net plasmac:float-switch     => db_float.in

I have tried to copy the old PlasmaC file to patch things. Clearly i know not what commands do. 

Thanks Guys. I'll try and read up a bit more, I probably missed it in the config (most of the details i edited after setup to match what i had with the setup on PlasmaC anyway).

 
Last edit: 08 Nov 2021 12:29 by RNJFAB.

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08 Nov 2021 22:07 #225725 by phillc54
Then you need:

net plasmac:float-switch <= hm2_7i96.0.gpio.008.in
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