Mach Discussion > Mach4 General Discussion

Mach4 Hobby limit on max number of G Code lines?

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Fermate:
When I load a Huge G Code file (more then a million lines) my Z axis start skipping steps!

The error can be reconstructed like this:
Startup Mach4 hobby and everything runs normal
Load a G Code file with more than 1 000 000 lines.
Jog the Z axis and it will start skipping steps.
Try to run the job and the axis (mostly Z) will skip steps, ruining the stock.

I have tried to replace the PC with a fast one and a LOT of RAM but the problem is the same.
Have updated Mach4 from 4.2.0.4809 to 4.2.0.5036 but problem is the same.
I am running ESS V 285
My PC is running Windows 11 Pro with the setup configuration that ESS setup guide is giving.

All other jobs runs normal and have done for more than a year.

Is there a limit on how many lines the Hobby version can handle?

Gaute Espeland
Norway
GMT +1

Tweakie.CNC:
As far as I am aware Mach4 does not have a limit on the number of lines of GCode. However, there is an issue with memory available to the Graphics Card or Embedded Graphics Chip. Artsoft recommend a minimum of 512MB but 1GB or upwards may be more appropriate.
Or you could just add a screen button to toggle the Mach4 Toolpath Display OFF/ON. With Toolpath Display OFF your 1 million plus GCode files should run OK and without issue.

Tweakie.

Fermate:

--- Quote from: Tweakie.CNC on December 05, 2024, 09:03:15 AM --- However, there is an issue with memory available to the Graphics Card or Embedded Graphics Chip. Artsoft recommend a minimum of 512MB but 1GB or upwards may be more appropriate.

--- End quote ---

The PC have 64Gb RAM but maybe the Graphic card cant use it?


--- Quote from: Tweakie.CNC on December 05, 2024, 09:03:15 AM ---Or you could just add a screen button to toggle the Mach4 Toolpath Display OFF/ON. With Toolpath Display OFF your 1 million plus GCode files should run OK and without issue.

--- End quote ---

Thanks! I will try that and report back

Tweakie.CNC:
This topic may be of some help...

https://www.machsupport.com/forum/index.php?topic=30928.msg214631#msg21463

Tweakie.

joeaverage:
Hi,
I use a Dual core Atom without a graphics card to run my machine. It has 4G RAM fitted, but being only a 32 bit OS it can only address 3G....and of
that 3G about 0.5G is used for graphics. In short my machine PC is tiny and gutless and yet it works fine.

I regularly load and run jobs of 8MB and more without problems.

Craig

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