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  • JanCNC
  • JanCNC
02 Oct 2025 07:48

Pncconf Wizard with MESA 7i92TM and one 7i77 - struggle

Category: PnCConf Wizard

Okay, everything after "Accept Component changes" looks different in my Config Wizard. 
There is no extra window next to P2 with "7i77"

Is there an easy way to fix this bug? Or what should i do next? 
  • Hakan
  • Hakan
02 Oct 2025 07:41

Important EtherCAT configuration option

Category: EtherCAT

Info about an option in Linuxcnc-ethercat, lcec.

It is a new option but actually a rediscovered function.
It's an important function when using distributed clock synchronization,
as most do with servo and stepper motor drives.

The syncToRefClock option
<masters>
  <master idx="0" appTimePeriod="1000000" refClockSyncCycles="5" syncToRefClock="true">

This will synchronize LinuxCNC's servo thread to EtherCAT's distributed clock,
the entire timing chain from LinuxCNC to the drives is then in sync.

When using distributed clock synchronization (a drive uses assignActivate="300")
you probably always want to use this option.
If you experience gravel noises, friction noises, etc., or acceleration and
torque spikes that recur every few minutes, this is the option to use.

There are some hal parameters associated with this option, check the documentation
github.com/linuxcnc-ethercat/linuxcnc-et...istributed-clocks.md

The option is just now introduced in the linuxcnc-ethercat code.
Over time this option will be generally available as distributions pick up the latest software version
of linuxcnc-ethercat. But you don't have to wait for it, the "rediscovery" means it is already in lcec,
you enable synchronization by setting a negative value to refClockSyncCycles.

A big thanks to Scott Laird for accepting the pull request and assisting with this.
  • 2tinker
  • 2tinker
02 Oct 2025 07:30

hm2/hm2_7i76e.0: error finishing read! iter=1342204

Category: Deutsch

Danke für den Link.

Die Installation der "r8168-dkms"-Treiber hat leider den Fehler nicht beseitigt.
Bevor ich tiefer in einem Betriebssystem herumstümper, das ich nicht verstehe, werde ich erst einmal die CPU tauschen.
Ich hoffe mit einem i5 ist das Problem dann beseitigt.

Danke und Grüße,
tinker
  • alexandrap
  • alexandrap
02 Oct 2025 06:29 - 02 Oct 2025 06:38
Replied by alexandrap on topic My MESA 7i95T wiring

My MESA 7i95T wiring

Category: Driver Boards

 it means , that 1 click to MPG = 4 pulses for feed?

so what is the solution ? set 1/4 of the feed value ?

only use the input designated for MPG (foto - input A0,B0) ?

 



i am trying to understand the links

forum.linuxcnc.org/27-driver-boards/4034...g-encoder-count-by-4

www.plctalk.net/forums/threads/encoder-x1-x2-and-x4.140711/

linuxcnc.org/docs/html/man/man9/encoder.9.html#PARAMETERS
  • cmorley
  • cmorley
02 Oct 2025 04:56
Replied by cmorley on topic Error in tool_offsetview.py

Error in tool_offsetview.py

Category: Qtvcp

I updated the brushed metal - thanks.
Fixed gcode with space - there is still room for improvement but I find the 'regular expression' code difficult.

Working on the macro buttons - close:
  • unknown
  • unknown
02 Oct 2025 04:53
Replied by unknown on topic New Install of LCNC,Debian12 dumping core

New Install of LCNC,Debian12 dumping core

Category: General LinuxCNC Questions

iopl() is a system call required to gain access to privileged resources.
It is unclear whether the user has attempted an install from the Linuxcnc ISO or from a vanilla Debian install with a self built kernel or via package manager. Neither is it clear whether this is a RIP install of Linuxcnc or via a package.
If the OP can clarify these items and if self installed give a source for the instructions or elaborate on the process this would be great.

Blindly giving advice such as "reinstall" or redo this or that is the advice that is very common to the "Windows Ecosystem". As ethical Linux users it is far better to establish what the actual issue is and then make recommendations.
Even if one does suspect a corruption of the installation media it would be of great value to suggest, and advise the user how to, check that the ISO is a good download.
Tommy's advice regarding rebooting is a good suggestion regarding a previously "hung" Linuxcnc session.

So once we establish the user's method of install we can hopefully forment a solution.
  • cmorley
  • cmorley
02 Oct 2025 01:23
Replied by cmorley on topic Reading data from var file using Python

Reading data from var file using Python

Category: O Codes (subroutines) and NGCGUI

try a mode change: mdi to manual back to mdi.
It forces the vars to be saved to file.
  • royka
  • royka
02 Oct 2025 00:42
Replied by royka on topic Can the OPI5 be Configured to Run LCNC?

Can the OPI5 be Configured to Run LCNC?

Category: Computers and Hardware

This mainline build also works pretty well, but will first do some more testing. In chromium/firefox the acceleration doesn't work, but 1080p works fine though. I'll upload an image/kernel if someone is interested.

 
  • COFHAL
  • COFHAL
02 Oct 2025 00:29
Replied by COFHAL on topic Arduino IO Expansion

Arduino IO Expansion

Category: Show Your Stuff

When I configure a key as in hal Pin with 0, they are effectively created as hal pins, but when checking by running linuxcnc when pressing the keys related to those hal pins they do not change state, which would indicate to me that they are not connected. When testing from Arduino through the serial monitor, pressing any key shows that it is activated.
  • RBC
  • RBC
01 Oct 2025 23:39 - 02 Oct 2025 00:51
Replied by RBC on topic Rerunning a tool in qt_dragon_hd

Rerunning a tool in qt_dragon_hd

Category: Qtvcp

You are not the only one. I am using qtpyvcp and I am working on a workaround that will comment out the preceeding T lines and replace it with some special chars like (xx T1 M6) when RFH issued and save. And when a run command issued, it would remove and save. I am not sure how possible this is but I have some similar tricks in python before on qtpyvcp.
  • PCW
  • PCW's Avatar
01 Oct 2025 20:58 - 01 Oct 2025 21:01

Pncconf Wizard with MESA 7i92TM and one 7i77 - struggle

Category: PnCConf Wizard

You should select 7I92 internal data and 7i77x2 as shown
then accept component changes. Here's what I get:

Before "Accept Component Changes":

 

After "Accept Component changes":

 

P2 setup (mainly encoders):

 

PWM (analog out) setup:

 

pncconf does have a known bug with some locales so that may be the issue here
  • JanCNC
  • JanCNC
01 Oct 2025 19:39 - 01 Oct 2025 19:41

Pncconf Wizard with MESA 7i92TM and one 7i77 - struggle

Category: PnCConf Wizard

Hello everyone!

I'm new at the LinuxCNC Software and trying to figure out how everything works. But now I'm stuck at the PNC Conf Wizard and don't know how to get through there.

But First:
I'm using a HP Elitedesk with the Linux CNC Distribution (2.9.4), a MESA 7I92TM connected via Ethernet and a 7i77 at Port P2 for the Servo Drive Control. My Servo Drives (Yaskawa SGDV-7R6A01A) should run with +-10V and Encoder Signal to the Linux CNC.

My Problem: I'm stuck at the right config for the card and the control. Witch selection should i use?
7i92-InternalData ? -> there i can choose the Firmware for a 7i77 but the config at P2 is a little bit less i think...
7i92T ? -> At the P2 config i have to choose a card like 8i20 or some others, but i don't have more Mesa cards...

Witch config i should choose and what should i take in the P1 / P2 window??? If i don't choose anything the Conf Wizard shows me a problem (Config_result.png)

Attached you can find some pictures of my config struggle..
Thanks a lot and all the best wishes from Germany
JanCNC


 
  • Bassblaster
  • Bassblaster
01 Oct 2025 18:29 - 01 Oct 2025 18:31
Replied by Bassblaster on topic Hermle UWF 700 Retrofit

Hermle UWF 700 Retrofit

Category: Milling Machines

Hallo, ich habe Die gleiche Maschine wie Du gekauft. wie weit bist Du mit Deinem Umbau? Welche Servos hast Du schlussendlich verbaut? Woher kommst Du?
Viele Grüße  Markus vom Bodensee 88636

 

Hi Markus,
Sorry wegen der späten Antwort. Ich bin mitllerweile relativ weit, für zwei Sachen hatte ich noch nicht Zeit, das Einbinden der Glasmaßstäbe und die Getriebeschaltung. Momentan habe ich immer den höchsten Gang drin und nutze einen Frequenzumrichter. Ansonsten läuft die Maschine. Ich habe noch zwei Gasdruckfedern zum ausgleichen vom Gewicht des Tischs eingebaut. Die Servos sind billige China-Servos (S2 Series steht da drauf, gibts billig auf Ebay), wobei ich vielleicht nächstes mal eher bei Stepperonline kaufen würde, da die Firmware buggy ist. Ich komme aus dem Allgäu, also nicht weit weg :) 

VG
Manuel
  • kb58
  • kb58
01 Oct 2025 18:16 - 01 Oct 2025 19:05

(Solved) Initialization code for a rintelligent ECT60 fails when run on an ECR60

Category: Driver Boards

The developer took pity on me and sent a stripped down version of his initialization code. It fails in exactly the same way. Maybe I'm doing something really fundamentally wrong, except that since the arc generator boots up successfully to OP makes me again suspect that the ECT and ECR models differ in some way not documented. This could explain why the developer - who know the system and code inside and out - can't get it working either...

Oh, as a sanity check, I swapped in a brand new ECR unit that's never been run - same issue.
Is there any way to request the error code from the slave via a Geany terminal, to have the system tell me why it's unhappy?
  • minimac
  • minimac
01 Oct 2025 18:06

Hilfe bei Pinbelegung ERL PCSE200 an Mesa 7i96S (Step/Dir

Category: Deutsch

Hallo zusammen,ich habe einen Servoregler ERL PCSE200 ext. M24.42E PLE60-40 
Die Steuerung erfolgt normalerweise über CANopen, ich würde den Antrieb aber gerne über Step/Dir mit meiner Mesa 7i96S in LinuxCNC ansteuern (da ich noch weitere Achsen so betreibe).Am Gerät befindet sich ein 26-poliger Sub-D-Stecker für die Signale. Leider habe ich bisher keine Dokumentation zur Pinbelegung (STEP, DIR, ENABLE, GND, Versorgung etc.) gefunden.
Ich habe den Hersteller ERL bereits kontaktiert, aber vielleicht hat hier jemand im Forum die Unterlagen oder praktische Erfahrung mit diesem Regler.Besonders wichtig wäre für mich:
  • Welche Pins sind STEP+, STEP–, DIR+, DIR–, ENABLE?
  • Welche Logikpegel erwartet der Regler (5 V TTL oder 24 V / differenziell)?
Fotos vom Gerät (Typenschild, Anschlüsse, Platinenrückseite) kann ich bei Bedarf hochladen.Vielen Dank schon einmal für eure Unterstützung!Grüße Jochen
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