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  • endian
  • endian's Avatar
06 Dec 2025 15:20
Replied by endian on topic Reduce read-all timing 7i76e + 7i77

Reduce read-all timing 7i76e + 7i77

Category: Advanced Configuration

sudo apt install linux-cpupower
sudo cpupower frequency-set --governor performance

I have had loong time before network tunning done this ... it is basic stuff for latency reduction at any hardware

I will do the kill of EEE and I will share the resaults in comming weeks .. thanks for hint !

regards 
  • COFHAL
  • COFHAL
06 Dec 2025 15:13
Replied by COFHAL on topic wiring MPGs to 7i96s

wiring MPGs to 7i96s

Category: Driver Boards

File Attachment:

File Name: MPG.hal
File Size:2 KB
  • langdons
  • langdons's Avatar
06 Dec 2025 15:10
Replied by langdons on topic MPG and analog command config issue

MPG and analog command config issue

Category: Basic Configuration

Your English seems fine to me, better than plenty of people from America actually.

Is your issue resolved?
  • mark-v-d
  • mark-v-d
06 Dec 2025 14:07

Real Time PREEMPT_RT Kernel Tuning including Networking

Category: Installing LinuxCNC

You might also want to disable IPv6 on the card, otherwise there are
some discovery packets sent. After the card is up, I use the following
command to turn of IPv6:

sysctl -w net.ipv6.conf.eth1.disable_ipv6=1
  • rodw
  • rodw's Avatar
06 Dec 2025 13:46

Looking for a freelancer to assist in drawing schematics for cnc plasma table

Category: User Exchange

It is indeed a long list.
Where in the world is this table going to be built?
I noticed RS485 specified for servos which is not suitable.
I share others concerns about gantry weight but don't know table size.
I have built complete plasma controllers that were shipped to the customer previously and selected motors and gearboxes etc.
ref: 

In the absence of PM;s here, you can contact me in the first instance via the email on my YouTube channel
www.youtube.com/@MrRodW
 
  • Hakan
  • Hakan
06 Dec 2025 13:45 - 06 Dec 2025 13:46
Replied by Hakan on topic AX58100

AX58100

Category: EtherCAT

"Run" top menu option, Start debugging. There will come a green play button, step button and some more at some point.
Click left of the line number to add breakpoint. Right-click variable and add to watchlist. And much more
  • vibram
  • vibram
06 Dec 2025 12:49 - 06 Dec 2025 13:38
Replied by vibram on topic AX58100

AX58100

Category: EtherCAT

Great thank you for your support.
How do you debug in your platformio project?

I will create my usbject once I made some progress
Meanwhile I remove pin SYNC0 and SYNC1 but its not working anymore with the original project, i will need to adapt with yours :)
  • rodw
  • rodw's Avatar
06 Dec 2025 12:39

Real Time PREEMPT_RT Kernel Tuning including Networking

Category: Installing LinuxCNC

My latest video is 28 minutes of pure gold for those needing to minimize network and system latency on Debian Bookworm and Trixie

The info assembled here is scattered and its never been available in one place. Also, many articles on the internet refer to obsolete applications no longer in Debian Bookworm or Trixie (for good reasons).

This video covers how to:
1. Configure the GRUB kernel settings
2.  CPU Governor set to performance
3. NIC coalescence disabled for Intel network cards
4. Network driver correctly installed and configured
5. CPU core isolated for LinuxCNC Real time process.
6. IRQ for Network card identified and set to Isolated core
7. Outlines why irqbalance should NOT be installed

Also, whilst kernel documentation states energy efficient ethernet is disabled by default but this is not always the case. Whilst some NIC's allow it to be disabled with GRUB parameters, there is no standard so different network interfaces need different treatment with hard to find parameters. We show how to create a service that disabled all NIC's. This requires a configuration file attached (to be used in conjunction with the video) that I have attached as a convenience here.

This has been one of the hardest LinucCNC tutorials I have ever put together. Please provide feedback here and as comments on the Youtube video. Enjoy!

 
  • Hakan
  • Hakan
06 Dec 2025 12:28
Replied by Hakan on topic AX58100

AX58100

Category: EtherCAT

Sure, let's do that.

Best to start your own thread I guess.
I propose you do it in two steps
1. get encoder working
2. ethercat.
 
  • vibram
  • vibram
06 Dec 2025 12:17
Replied by vibram on topic AX58100

AX58100

Category: EtherCAT

Hello @Hakan
I received the board and it worked smoothly with the firmware inside.
However I have a lot of issue to edit, mainly I think due to chinese chars that are not converted correctly.

The TIM2 CH1 and CH2 are quite easily accessible. Do you want to help/assist me in order to build the new firmware ?

I think i can take you firmware and edit it, I feel almost capable, however regarding the eeprom etc I'm totally lost.

Maybe we can try step by step?
  • tommylight
  • tommylight's Avatar
06 Dec 2025 08:17

Looking for a freelancer to assist in drawing schematics for cnc plasma table

Category: User Exchange

Anyone? :)
Probably got terrified of the long (and not very useful) list.
The list should be something like:
-e-stop chain
-limit and home switches (with sensor input relays for full isolation)
-extreme limit switches for DC brushed motor machines (to prevent mayhem in case of runaway)
-Mesa boards wiring to drives, input relays, output relays, and maybe MPG
-power section
-list of connectors and pinouts
-...
Thing is, we can not make a schematics for you without having every exact detail about your machine setup and wiring, that is something you have to provide.
Or do you want us to come up with the wiring and base your machine on that?
-
Personally, i write things on paper and take pictures of those papers for archiving, while the papers go with the machine.
  • Mr. Mass
  • Mr. Mass's Avatar
06 Dec 2025 08:07
Replied by Mr. Mass on topic qtdragon mod

qtdragon mod

Category: Qtvcp

Oh, that works great, thank you very much. I even made a small function that checks the active HAL pin against the widget every time the encoder signals, but your method is much more elegant.

New question: how to connect a button to a HAL pin? I want to add an MPG on/off button. I created a HAL pin in the handler file and created IndicatedPushButton. In the button properties, I added HAL.set_p(’mpg.mpg-enable’,’1’) to true_python_cmd_string. But I got an error:

  File "<string>", line 1
    HAL.set_p(’mpg.mpg-enable’,’1’)
              ^
SyntaxError: invalid character '’' (U+2019)
  • tommylight
  • tommylight's Avatar
06 Dec 2025 08:04

Looking for freelancer to finish retrofit of K2 router

Category: User Exchange

Can you find anyone near you that knows a bit about wiring?
That would be very helpful.
  • tommylight
  • tommylight's Avatar
06 Dec 2025 07:59
Replied by tommylight on topic Remora sk1.4 with ethernet?

Remora sk1.4 with ethernet?

Category: Computers and Hardware

The same pins used on RPI are on the W5500, those are the SPI pins so the wiring is the same.
Just check the pin naming.
  • tommylight
  • tommylight's Avatar
06 Dec 2025 07:57
Replied by tommylight on topic GCode Review

GCode Review

Category: CAD CAM

Download the official LinuxCNC ISO, write to USB, use that USB to boot the PC (any PC) and use it in LIVE mode to view and test gcode using any of the included SIM configs.
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