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  • tommylight
  • tommylight's Avatar
05 Sep 2026 19:58

img2m67 - Image to M67 Analog Out (PWM) for laser raster

Category: CAD CAM

Seems interesting, but i have no clue when i'll have some time to test.
I have scratchers i build and use dmap2gcode for it modified to output M67 values, works perfectly fine for my needs, and also works for an UV laser i have collecting dust in the shop (makes to much smoke, unhealthy), so i am interested to see how much the results would improve.
My scratchers:
forum.linuxcnc.org/show-your-stuff/46752...ver-etcher-scratcher
forum.linuxcnc.org/show-your-stuff/37784...-or-any-hard-surface
  • tommylight
  • tommylight's Avatar
05 Sep 2026 19:50
Replied by tommylight on topic Anilam 1100 and Mesa 7i97t

Anilam 1100 and Mesa 7i97t

Category: Milling Machines

First, do not power on the drives, if i ma seeing properly, the drive enables are not wired on the Mesa, so again, do not power on the drives.
Do you have any schematics of the machine?
If not, it will require a bit of reverse engineering to figure out.
About wiring and testing, see here:
forum.linuxcnc.org/10-advanced-configura...to-example-mesa-7i77
  • rdtsc
  • rdtsc's Avatar
05 Sep 2026 18:36

img2m67 - Image to M67 Analog Out (PWM) for laser raster

Category: CAD CAM

Good day.  I've created a PyQt6 app to convert an image file into rasterized M67 gcode output.  It renders .svg files to 16-bit depth; check it out: github.com/mj1911/img2m67

 
  • tuxcnc
  • tuxcnc
05 Sep 2026 18:00

Kommunikation mit Mesa 7i92 sehr instabil, Woran kann es liegen?

Category: Deutsch

Try apt install r8168-dkms
You have to enable  non-free tree in sources-list.
As I wrote above, sometimes it not works with some kernel versions, but can work with the previous or next version (it means, for example, 6.12.xx not works, but 6.12.yy works).
  • muddiver
  • muddiver
05 Sep 2026 17:37

Kommunikation mit Mesa 7i92 sehr instabil, Woran kann es liegen?

Category: Deutsch

Which driver should i go for?

The command "lspci -nnk | grep -iA3 net " 
tells me i have a "RTL8111/8168/8211/8411" , i read something about changing the driver to the 8168, but i'm unsure..

Other thing, if it is a bit thing to get it running, what do you think about these small computers for LinuxCNC?
They are not too expensive..
Lenovo tiny M92? Which CPU would you recommend at Least?
I learned the hard way to get a INtel-Networkchip, so i will definitly have an eye on this!
  • MarkoPolo
  • MarkoPolo
05 Sep 2026 17:16
Replied by MarkoPolo on topic Error in tool_offsetview.py

Error in tool_offsetview.py

Category: Qtvcp

Hi Cmorley

I've done some more work on 3pcenter.
If you're interested, I have either a very minor fix for one function:

   def goCenter(self):
            c.mode(linuxcnc.MODE_MDI)
            c.wait_complete()
            c.mdi('g53 g0 z0')
            c.mdi('g54 g0 x'+self.dataX+'y'+self.dataY)
            c.wait_complete()
            self.w.pushButton_5.show()

or a fix for the entire file. It's more resilient to user errors.
X0Y0 can be executed at any time and from any position.
Test it if you like.
  • Marlie013
  • Marlie013
05 Sep 2026 16:57
Anilam 1100 and Mesa 7i97t was created by Marlie013

Anilam 1100 and Mesa 7i97t

Category: Milling Machines

Hi!
I am trying to add the Mesa 7i97t card into my Anilam 1100 and I am so confused. I have (hopefully) wired the three servo drives and the rotary encoders correctly to the card, but I'm lost on what else needs to be connected. I'm specifically trying to figure out this group of 8 wires running from a PCB 801 board to a 90100289 REV A board. From my searching, I believe the 801 board needs to stay and the REV A board is the one I'm trying to take out, but I'm confused on where the wires go into the Mesa. I believe they go on TB5, but I'm lost on the order/what they do.
If anyone has advice or can point me toward a guide or something, it would be appreciated!!
  • Billy Boy
  • Billy Boy
05 Sep 2026 16:35
Replied by Billy Boy on topic External ESTOP trouble

External ESTOP trouble

Category: Installing LinuxCNC

I have learned so much about LinuxCNC, hal, and the linuxCNC community from this thread. Thank you.

In the end I was able to solve my problem with the following hal configuration...

# --- ESTOP configuration ---
loadrt and2 count=1
addf and2.0 servo-thread

# 1. Connect physical switch to the first slot of the AND gate
net estop-ext <= hm2_7i96s.0.inm.00.input-03
net estop-ext => and2.0.in0

# 2. Connect GUI toggle to the second slot of the AND gate
net gui-request <= iocontrol.0.user-enable-out
net gui-request => and2.0.in1

# 3. Feed the combined result back into LinuxCNC's safety gate
net estop-loopback <= and2.0.out
net estop-loopback => iocontrol.0.emc-enable-in

# 4. Use the loopback to fire your physical SSR
net estop-loopback => hm2_7i96s.0.ssr.00.out-00
setp hm2_7i96s.0.ssr.00.invert-00 true

Best,

Bill
  • PCW
  • PCW's Avatar
05 Sep 2026 16:02

Kommunikation mit Mesa 7i92 sehr instabil, Woran kann es liegen?

Category: Deutsch

The standard Realtek Ethernet driver has real time issues, this can be fixed by using the DKMS driver

No sure whet the definittive installation instructions are but doing a forum search for DKMS should help
 
  • tuxcnc
  • tuxcnc
05 Sep 2026 16:02

Kommunikation mit Mesa 7i92 sehr instabil, Woran kann es liegen?

Category: Deutsch

Typical.
Your network card drops the connection.
Although it can be corrupted, more often it is caused by a bad kernel or a bad kernel module.
Try installing a different kernel version or dkms driver.
  • muddiver
  • muddiver
05 Sep 2026 14:53

Kommunikation mit Mesa 7i92 sehr instabil, Woran kann es liegen?

Category: Deutsch

Hallo Forum!

Ich bin nun soweit die Maschine zu testen und die Achsen zu verfahren.

Mein Hauptproblem: Ich kann selbst im Dialog "Achsen tunen" die Kommunikation mit meiner Mesa-Karte nur für kurze Zeit aufrechterhalten. Die LAN-Schnittstelle blinkt dann nicht mehr und es geht nichts mehr.
Die 5V Versorgung habe ich schon gegen eine stärkere getauscht, hat aber leider nichts gebracht.

LinuxCNC habe ich noch nie gestartet ohne diese Fehlermeldung:
Operation Error: hm2/hm_27i92:error finishing read! iter=4730

Der Rechner ist ein alter AMD Athlon(tm) II X2 250 Processor. 4GB DDR3-Ram, alt, aber eigentlich ausreichend, hoffe ich zumindest.
Leider auch mit Realtekchip für Ethernet.

lspci -nnk | grep -iA3 net  gibt aus:
02:00.0 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd. RTL8111/8168/8211/8411 PCI Express Gigabit Ethernet Controller [10ec:8168] (rev 03)
    Subsystem: Foxconn International, Inc. Device [105b:0e22]
    Kernel driver in use: r8169
    Kernel modules: r8169

Ich habe bereits einen Kern isoliert mit "isolcpus=0,",
meiner Meinung nach sind die Jitterwerte auch eigentlich ganz io..

Irgendwelche Ideen?

Vielen Dank schonmal, Gruß, Thomas
  • tuxcnc
  • tuxcnc
05 Sep 2026 14:48
Replied by tuxcnc on topic Industrielle Linux CNC 5achs Fräsmaschine

Industrielle Linux CNC 5achs Fräsmaschine

Category: General LinuxCNC Questions

In my opinion, Ethercat is a great solution for small machines that can use integrated drives.
I have mills where the individual axes are connected to the rest of the machine via a one patch cord and one power cord, and things like homing limit switches  or other sensors are connected locally to additional drive inputs.
Such a machine is simple to wire and, in my opinion, more reliable.
However, if all the control is to be located in one cabinet and long and multi-core cables are to be run, Ethercat loses its advantages for now. It's just expensive and difficult to set up, and what's best about it becomes secondary...
  • trackwhack
  • trackwhack
05 Sep 2026 14:37
Replied by trackwhack on topic Perpetual License CAM

Perpetual License CAM

Category: Show Your Stuff

First off, AI helped with website, marketing etc ... I dont think its capable of complex applied math thats required for a CAM and we did not use any AI for the same.

Second - GPL obligations attach to distributing a derivative work of GPL-licensed source. No GPL source is ever in our tree. The code was written against our data model, our kernels, our architecture — the post-processor library isn't a re-derivation of anyone's, it's config-driven dialects off a specified ISO base.

Every component we ship is enumerated and licence-checked by the build, and the build fails if one isn't.

I'd fall back on other more knowledgeable folks who use AI more extensively than we do if this does not answer your query.
  • MisterXmin
  • MisterXmin
05 Sep 2026 14:15
Replied by MisterXmin on topic Industrielle Linux CNC 5achs Fräsmaschine

Industrielle Linux CNC 5achs Fräsmaschine

Category: General LinuxCNC Questions

So do you have any recommendations wich brand of ethercat drives to use for minimal setup and maximum stability? How big of an issue is hosst PC performance with ethercat ?
Is the importance of host PC performance comparable to a mesa card? Or more or less important? The thing is that for the first evaluation of Linux CNC we will use a mesa card, as it's the cheapest and quickest way to test it, but later we would like to use ethercat drives.
  • tuxcnc
  • tuxcnc
05 Sep 2026 14:05
Replied by tuxcnc on topic Perpetual License CAM

Perpetual License CAM

Category: Show Your Stuff

Sorry for the offtopic, but I have to ask, how can you be sure that AI won't use GPL-licensed code to write a commercial program? After all, AI does not write code from letters and numbers, it only modifies examples found on the Internet...
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