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  • Nkbhvid
08 Feb 2026 11:45
Replied by Nkbhvid on topic Linuxcnc 2.9.4 and Mesa 7i97T
It seems that the connection is ok
mesact finds and recognizes board 
ip a return
BROADCAST, MULTICAST, UP, LOWER_UP at 10.10.10.10
  • Mr1576
08 Feb 2026 11:12
Replied by Mr1576 on topic HAL Edits for RS485 / VFD Spindle Control
@andypugh I relocated the net commands after the motmod .......

IT WORKS!

I cannot tell you how grateful I am -- I've been going round in circles for so long and now cannot stop smiling.

image missing /media/kunena/emoticons/smile.png
  • andrax
08 Feb 2026 10:06
Hi,
I have some technical questions about CIA402 and homecomp.comp
First of all, which version of homecomp.comp is currently recommended for the A6?
Since I don't understand the source code of homecomp.comp and CIA402, I would like to know how the basic servo homing process works.
Are all servos put into homing mode and checked to see if they are ready before the sequence starts?

I'm trying to understand how the process works, as I keep getting sporadic errors during homing, even though everything else is running smoothly.
  • Ozcnc
08 Feb 2026 09:56
Replied by Ozcnc on topic Mesa 6i25 - Mesa 7i76U - Omron MX2 wiring
Ok thank you I'm happy to use the RS-485 mode,
  • 3404gerber
08 Feb 2026 09:44
Hallo Mario,

Es freut mich zu hören das Du ein Schritt weiter gekommen bist. Gut hast Du Geduld und mehrmals versucht die Firmware zu flashen!

Ich komme selber auch von GRBL; die Software ist zwar genial, aber irgendwann war ich begrentzt mit TMC5160 Treiber. Ich habe dann ein Komponent für LinuxCNC geschrieben (bin nicht mal ein Hobbyprogrammier) und es funktioniert nicht so schlecht. Es ist krass was es auf LinuxCNC alles gibt und möglich ist, im Vergleich zu GRBL. Aber die Komponenten die nicht mit der Standardinstallation kommen sind halt auch nicht unbedingt häufig verwendet. Remora ist zwar eher gut dokumentiert, es ist aber nicht vergleichbar mit Kommerziellen Produkte wie Mesa Karten zum Beispiel. Mir ging es so, und ich kann mir vorstellen das ich nicht der einzige bin: ich habe mir ein Komponent geschrieben und eigesetzt, auf github geladen und bin dann zum nächsten Projekt gegangen, obwohl der Komponent weit von perfekt war und kaum dokumentiert ist.

Allerdings lernt man viel dabei und so lange Du weiter kommst und auch hier Hilfe findest wenn es nötig wird, bin ich überzeugt das Du viel Spass haben wirst mit LinuxCNC.

Gruss,
Luca
  • andrax
08 Feb 2026 09:44
Replied by andrax on topic StepperOnline A6 Servo
Hi,
anhand deiner Hal denke ich, du sprichst deutsch.
Zunächst: Welche Vorlage hast du für die Konfiguration genommen?
In der ini sehe ich folgendes
1. Für die Verwendung des Handrades musst du noch die Makro buttons mit rein nehmen (müssen nicht belegt sein), sonst gibt es Fehler.
In die hal muss dann folgendes rein: loadusr -W xhc-whb04b-6 -HsfB

2. Es gibt keinen CIA402_HOMING_METHOD=-4 
Schau in die Dokumentation vom A6, da werden alle möglichen Homing Methoden aufgeführt.
Es gibt hier auch keinen Drehmomentbasierten Homing Modus. Du kannst aber einen Endschalter + Z-Impuls nutzen.
Der Endschalter muss aber dann am Driver angeschlossen werden (Di1;Di2)
Wäre zum Beispiel -1 oder -2 je nach Verfahrrichtung.
In der ethercat-conf.xml ist es empfehlenswert sync0Shift="0" zu setzen
 
  • RotarySMP
08 Feb 2026 09:37
Good weather for welding :) Nice progress.
  • BIBIGUL
08 Feb 2026 09:21
socket raw Eth. was created by BIBIGUL
Hello. Who has worked with ETH raw socket on Linux cnc? I'm writing an application running on raw socket, after compiling I run - sudo setcap cap_net_raw+ep NAME.so - Since raw socket requires root, I need to run setcap. Does this break Linux cnc?
  • 3404gerber
08 Feb 2026 09:13
Hi,

I'm happy to help if I can. I'm ot familiar with the STM32 controllers and I don't really understand the ldscript files, but from what I understand you'll need a ldscript and some adjustment in the platformio.ini file. Can you share your platformio.ini file?
  • besriworld
08 Feb 2026 09:04
Replied by besriworld on topic Mini wannabe datron build
Good job! Works well at high speed. Little beast :)
  • Stephan@work
08 Feb 2026 08:40
this hm2_modbus.0.last-error-code ?
it looks like:
• 110, 0x6e (ETIMEDOUT): The command received no reply and timed out.

But I 'm not sure if this was some consequential error.
I compared the running wj200.comp example of my USB-Dongle
but i can´t see any difference. Do I need some delay somewhere .
I added some interval="1000" like you did in your gs10. but no success.
  • PCW
08 Feb 2026 06:12
Here is 5I25/6I25 firmware for a 7I76U with the PKTUART

 

File Attachment:

File Name: 5i25_7i76x1pktd.zip
File Size:123.58 KB


I can try to help more later, but note there is another user trying to get a Omron MX2
working with a Mesa card and having issues. I suspect I may have to acquire a MX2
to try and get this going.

The 7I76U manual has the RS-485 wiring information (and you must use RS-485 mode with the 7I76U
so you lose on estep/dir output)
  • Ozcnc
08 Feb 2026 03:21 - 08 Feb 2026 05:26
Hello,Im using LinuxCNC 2.9Can I please get some assistance with wiring of the mesa 7i76U to an omron mx2 VFD and the HAL and INI file and the correct firmware recommendation.  files.omron.eu/downloads/latest/manual/e...rs_manual_en.pdf?v=1  

Attachment not found

 

Attachment not found

   
  • rodw
08 Feb 2026 02:22
Replied by rodw on topic Lichuan 4 axis stepper need help-

37 m/min! Wow! I was starting to worry these motors will look tiny on such a big printer maybe I should look at bigger motors haha.
I will plan on using these motors with 2:1 reduction and 60mm dia. drum. 3 axis plus I can use the 4th output from this Lichuan driver for the small extruder motor.

My Elegoo Neptune 3 Max has a max rated speed of 6.4 m/min and they recommend printing at 3.6 m/min. The guy running the fast little FLSUN printer will probably share with me what the slicer settings look like for such high speed printing. The FLSUN S1 does 72 m/min. but I'm not interested in trying to match that any time soon. That printer has even less build volume than my elegoo.

The extruder - I will probably start with the spare head I think I got for my other printer, but I read recently about a new printer model, can't recall what it was called. It used high frequency induction heat to heat the nozzle, allowing the heater in the print head to heat up and cool off in seconds because the mass of the heater was reduced to pretty much just the nozzle. I might try that later.

I hope I'm not hijacking your thread here, maybe I should start a separate thread in hardware or builds related category when I start building this 3d printer.

There  are some pretty cool 5 way print heads I've seen recently.  www.aliexpress.com/item/1005007430584580.html
  • NWE
08 Feb 2026 01:54
Not being able to access the bios seems quite a handicap. Lenovo says replace the motherboard. I found some possibilities otherwise:
www.ebay.com/itm/204768580473
and
www.reddit.com/r/thinkpad/comments/13wwp..._reset_for_t14_gen2/

Hope that helps.
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