PlasmaC conversational error

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11 Apr 2021 23:49 #205684 by CFE
Hi all,

We are happily running PlasmaC on our plasma cutter, but we encounter 1 thing which is bugging us.

When we use conversational to cut say 2 small holes in a row and we use overcut at the end of hole cutting, then the torch won't fire on the next hole. In fact, the torch won't do anything anymore until we restart PlasmaC. Anyway, we figured out that after each hole we manually need to put in 2 lines : M63 P3 and G0 X0.01 (any movement really), after each M5 $0 and M68 E3 Q0 and then it works fine.

Is there a way for the program that generates the G-code for holes to add these 2 lines ?

Cheers, Peter

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12 Apr 2021 01:29 #205691 by phillc54
What are the versions of LinuxCNC and PlasmaC that you are using.

I don't see that behaviour on LinuxCNC v2.9 with PlasmaC v0.191

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12 Apr 2021 02:01 #205692 by CFE
Replied by CFE on topic PlasmaC conversational error
Hi Phil,

We are running Linuxcnc 2.8.1 and version 0.188, updated this morning.

Cheers,

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12 Apr 2021 02:06 - 12 Apr 2021 04:35 #205693 by phillc54
If I get some time today I'll do a 2.8 build and see what is happening.

In the meantime could you post the gcode that does not work.

EDIT:
I ran a v2.8.1 build from linuxcnc.org with PlasmaC v0.185, then a v2.8.1-94 build from buildbot.linuxcnc.org with PlasmaC v0.188 and I couldn't see the issue on either.
Last edit: 12 Apr 2021 04:35 by phillc54.

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13 Apr 2021 05:31 #205760 by CFE
Replied by CFE on topic PlasmaC conversational error
Hi Phil,

Thank you, it looks like you have tested what we have, I have attached 2 programs, the "original" is created with the conversational in PlasmaC (which doesn't work for us) and the other program has M63 P3 and a G0 X0.01 added after each hole, and that works.

If the conversational could add those 2 lines after each hole then that would work for us. Unless there is something else in our setup that throws the conversational off. But I can't think of what that would be.

Cheers, Peter
Attachments:

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13 Apr 2021 07:10 #205762 by phillc54
In the machines .ini file do you have a section like:
[FILTER]
PROGRAM_EXTENSION       = .ngc remove z axis stuff
ngc                     = ./plasmac/plasmac_gcode.py

Can you open a terminal and run the two commands below and post the resulting config.txt and plasmac.txt files.
"config_dir" is the name of the machines config directory.
ls -l ~/linuxcnc/configs/config_dir > config.txt
ls -l ~/linuxcnc/configs/config_dir/plasmac > plasmac.txt

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20 Apr 2021 00:06 #206486 by CFE
Replied by CFE on topic PlasmaC conversational error
Hi Phil,

I got back in the workshop and checked, the lines in the [FILTER} section are present.

When I try your command line I get : "ls: cannot access 'home/plasma/linuxcnc/configs/config_dir': No such file or directory". I can't see "config_dir" in the folder, I am not sure what should be there ?

Cheers, Peter

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20 Apr 2021 00:16 #206488 by tommylight

"config_dir" is the name of the machines config directory.

The following user(s) said Thank You: snowgoer540

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20 Apr 2021 03:48 #206499 by CFE
Replied by CFE on topic PlasmaC conversational error
Hi Phil,

Thank you, I have attached the 2 files you asked for, I hope that helps.

Cheers, Peter
Attachments:

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21 Apr 2021 00:27 #206594 by phillc54
Well I could not see anything obviously wrong there.

Next step:

Could you load the gcode file then from the GUI save as a new name and post that file.

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