G-codes status changes from G18 to G17 when starting program
16 Jul 2019 20:27 #139593
by kostas
I can't understand why programmed ZX plane changes to XY when the program starts.
I have started Linuxcnc with G18 and only X and Z axes are defined in the configuration.
Screenshot attached with program stepped to a few lines of code. You can see the G-codes from Linuxcnc status in the upper left.
I'm using Linuxcnc 2.8.0-pre1
I have started Linuxcnc with G18 and only X and Z axes are defined in the configuration.
Screenshot attached with program stepped to a few lines of code. You can see the G-codes from Linuxcnc status in the upper left.
I'm using Linuxcnc 2.8.0-pre1
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16 Jul 2019 20:49 - 16 Jul 2019 20:50 #139597
by fixer
Replied by fixer on topic G-codes status changes from G18 to G17 when starting program
It is a statetags issue. Queued moves will be correct, error is only seen on the displayed modal codes. Interpreter sees M30 at the end and sets an initial modal state.
This is why I like to use % instead of M30.
linuxcnc.org/docs/html/gcode/m-code.html#mcode:m2-m30
This is why I like to use % instead of M30.
linuxcnc.org/docs/html/gcode/m-code.html#mcode:m2-m30
Last edit: 16 Jul 2019 20:50 by fixer.
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- Todd Zuercher
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16 Jul 2019 21:05 #139603
by Todd Zuercher
Replied by Todd Zuercher on topic G-codes status changes from G18 to G17 when starting program
You probably need to add G18 to the startup codes in the [RS274NGC] section of your INI file
linuxcnc.org/docs/html/lathe/lathe-user.html
[RS274NGC]
# g-code modal codes (modes) that the interpreter is initialized with on startup
RS274NGC_STARTUP_CODE = G18 G20 G90linuxcnc.org/docs/html/lathe/lathe-user.html
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16 Jul 2019 21:34 #139608
by kostas
Replied by kostas on topic G-codes status changes from G18 to G17 when starting program
@Todd: Yeah, I have already done this.
@fixer:
"Selected plane is set to XY plane (like G17)."
Ha! I didn't pay attention to this in the documentation. It is a little strange that the interpreter decides to revert to G17, instead of the startup value, though.
I checked this and it does not change to G17 when using %
@fixer:
"Selected plane is set to XY plane (like G17)."
Ha! I didn't pay attention to this in the documentation. It is a little strange that the interpreter decides to revert to G17, instead of the startup value, though.
I checked this and it does not change to G17 when using %
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