DDCSV1.1 4 Axis controller

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Will_D:

--- Quote from: WeldingRod on February 06, 2018, 10:18:09 PM --- :bow:
What are you using G54(coordinate system) for? FYI, that might be the magic sauce; my controller has never gotten this command before.
Your feeds are weirdly small. I found that anything under 300 mm/minute was the same speed.
As far as I can tell, G94 isn't in the DDCSV language at all.

--- End quote ---

Great that it works!

G54 selects the first Work Coordinate Offset system. There is a Machine Coordinate workspace (as defined by MACH on the line just above the version number) There are 6 other workspaces that the user can use G54 to G59 (some controllers allow a lot more)

Yes feeds are very small when I am debugging/learning, even when cutting air.

G94 sets "Feed per Minute Mode" (This came out of Marcus Bowmans book but does not agree with Peter Smid's book where it is a lathe command!)

Keep plugging away

Will

WeldingRod:

--- Quote from: maxx2000 on February 07, 2018, 05:45:47 AM ---With the official firmware since November 2017.
Are supported precisely G93, G94 М28 !!! I'm happy
Unchecked G40, G41, G42, G49, G20 but most likely already work too.

--- End quote ---
Maxx2000,
M28 is used to write to SD card in RepRap firmware, but you would also need M29. Is it return to origin? Nothing happened when I tried it at 50,50,50.
G93 is feed in inverse time; the feed command FX.X is interpreted as 1/x.x (apparently rarely used). Key tip: you MUST have a specified F for G1, G2, and G3 in this mode
G94 is feed in minutes
G40 is cutter compensation off
G41 is cutter compensation left (the cutter stays to the left of the programmed path when the tool radius is positive)
G42 is cutter compensation right. The syntax may be G41 D3, where D3 is tool offset slot 3.
It looks like they planned for length offsets too, which would imply G43, G44, and G49 work???
G49 is tool length compensation cancel
Cutter compensation is in the machine parameters, H0-H15 and D0-D15.

maxx2000:
This file is 100% processed on my machine with the DDCSV1.1 - 4 axis controller. Firmware from November 2017.

WeldingRod:
Has anyone measured the spindle control output? When I put a scope on it, it looks like a slowly changing DC signal that varies from 0 to 10 Volts; I don't see any hint of PWM on it at all.

Will_D:
AFAIK its a 0 - 10V analogue voltage

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