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I've done this with a CNC plasma..... It's not too bad from the linuxcnc setup side of things. The hardest part is generating the gcode to do what you want. it's not too bad (programs like a lathe most of the time).


To run the y and a at the same time
G01 y5 a180 f50 that will turn the bar 180 degrees while y travels 5 inches in sync with each other.

What version of LinuxCNC?
Does it have "tandem N axis" as a choice?
Use that if possible, there are no slaves in LinuxCNC.
Just checked and 2.10 has those choices.

Nope, not the same thing, link is to running two programs at the same time, the video is using two Mesa cards that can easily be done by LinuxCNC, as well as any combination of multiple parallel ports, Mesa, EtherCAT.
Would your situation be possible using two PC's and many IO to communicate between them with feed holds and waits and whatever necessary?

Something like this should work:

 


You may need to invert one direction
and I'm not sure if you have home switches.
( Gantry homing typically takes 2 home switches )
 

Thank you for your answer. Seems like you're everywhere haha

Anyways, I saw both, and the first GitHub Issue seems to have died down, whereas the second link talks about something much more involved, which is coordinating two systems with one program. The second link is actually something another user archieved in a YouTube video , but it's not what I need since both machines in said video acted "as one".

My machine is using the Y and A motors off a parallel port breakout board. I went thru the step config wizard and set up X, Y, and Z configuration and included the A motor pins while doing so. Im really not sure how to proceed as I need Y and A to both home at the same time? Does anyone have a solution for this application?
 Thanks in advance for your help and support!

Quarter20

This was mentioned before, and seems some work around were mentioned on github
github.com/LinuxCNC/linuxcnc/issues/2716
And here
forum.linuxcnc.org/38-general-linuxcnc-q...grams-simultaneously

Hi there,
This is my first post here, and I haven't really found a "definitive" answer to my question.
Is it possible to run two LinuxCNC instances in parallel?
I have two CNC machines and would like to run two separate jobs on both machines. Nothing shared - just two jobs and two machines, really.

I already redirected the port 5005 to a different one for the other instance, but HAL still complains about using duplicated ressources. As I've read in another thread, using two computers and a third to control the other two seems... counterintuitive, to say the least.
Where lies the problem? Is there any way to overcome it?

Thanks in advance!

yip, looks like the whole crypto mining industry is controlled by zynq 7010

dont' forget you would still need a breakout board which will move you much closer to a price of mesa board if you are after hostmot2.