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  • rodw
  • rodw's Avatar
08 Feb 2026 21:04

Technical questions about CIA402 and homecomp.comp on A6

Category: EtherCAT

The original component by dbraun was designed with home to index in mind but today many drives home to an external switch. The problem is that the drive moves while not being commanded  by linuxcnc which linuxcnc interprets as a following errors. The secret is to sync linuxcnc's commanded position and its feedback while its moving like this which the original cia402.comp does not do. some people have modified the component to support this.  I have been working on an enhanced cia402 component but it needs more work.
  • mooser
  • mooser
08 Feb 2026 20:07

Adding Feed Rate (IPM or IPR) to the lathe screen

Category: AXIS

Thanks. I'll see if I can get that to work. I keep thinking it's time to put together a new computer and move up to 2.9 but when it's working it's working.

(Slowly gathering parts for a cnc router running 2.9.x so maybe it's time to get them both at the same "level"

Thanks again
M
  • andrax
  • andrax
08 Feb 2026 20:01
Replied by andrax on topic StepperOnline A6 Servo

StepperOnline A6 Servo

Category: EtherCAT

No,
4x FN 2090-4-06
  • Finngineering
  • Finngineering
08 Feb 2026 19:59
Replied by Finngineering on topic XHC WHB04B development?

XHC WHB04B development?

Category: General LinuxCNC Questions

I have loops set to 10 and timeout to 3.
  • markbaenen
  • markbaenen
08 Feb 2026 19:34
Configuration Problems 7i92 PnCConf was created by markbaenen

Configuration Problems 7i92 PnCConf

Category: PnCConf Wizard

/homeI am not a dense person. I have read A LOT on configuring. I have set up a couple other machines with StepConf. 
Why does this:

look absolutely nothing like this:

when trying to configure this: 
  • DerKlotz
  • DerKlotz
08 Feb 2026 19:20

Need to install newest Linux Debian Bookworm with the newest Linuxcnc preempt-rt

Category: Installing LinuxCNC

I want to install Probe_Basic. I already had Trixie installed but i couldn't get Probe_Basic to work. Than i got the hint from a community member that Probe_Basic needs Debian Bookworm as the homepage mentions.
  • BIBIGUL
  • BIBIGUL
08 Feb 2026 19:19 - 08 Feb 2026 19:32
Replied by BIBIGUL on topic 403 Forbidden

403 Forbidden

Category: Forum Questions

Phone - 401 Unauthorized
  • tommylight
  • tommylight's Avatar
08 Feb 2026 19:07
Replied by tommylight on topic 403 Forbidden

403 Forbidden

Category: Forum Questions

Try from a phone or tablet, or another PC.
  • bobwolf
  • bobwolf
08 Feb 2026 18:56

Solving the USB Latency Dogma for HMI/MPG: Technical Feedback Request

Category: Driver Boards

Hi everyone,

I’ve just released version 1.1.0 of the io_decoder driver. This update focuses on architectural stability and addressing initial feedback from the community.

What's new in v1.1.0:

Asynchronous Threading: I have moved the keyboard emulation logic (uinput) out of the Real-Time HAL thread and into a dedicated user-space thread. This ensures that any system-level delay in processing keystrokes will never interfere with the real-time performance of the CNC HAL components.

Config File Optimization (Credits to COFHAL): Following COFHAL's feedback regarding parsing errors with comments and blank lines, I have refined the io_decoder-keymap.cfg structure. I've implemented a stricter formatting requirement to keep the driver lightweight and added clear instructions within the config file to prevent GUI warnings.

Full English Translation: The source code and all comments have been fully translated to English for better accessibility.

Clean Exit: Improved the cleanup routine to ensure proper thread termination and resource release upon hal_exit.

You can find the updated source code, documentation, and the new pre-packaged ZIP on GitHub and the project landing page:

GitHub Repository: github.com/bobwolfrst/io_decoder-linuxCNC Project Page & Downloads: bobwolfrst.github.io/io_decoder-linuxCNC/

A big thanks to COFHAL for the valuable feedback. I’m looking forward to hearing from more testers about how the new threading model performs on different hardware setups!

Happy milling!
  • andypugh
  • andypugh's Avatar
08 Feb 2026 18:46
Replied by andypugh on topic Cannot JOG Plus/Minus move in TeleOp mode

Cannot JOG Plus/Minus move in TeleOp mode

Category: Basic Configuration

Which GUI are you using? I seem to recall that Axis needs to be on the manual tab for jogging to work.

Can you share your HAL file?
  • NT4Boy
  • NT4Boy
08 Feb 2026 18:42
Replied by NT4Boy on topic HURCO KMB-1 Control Update

HURCO KMB-1 Control Update

Category: Milling Machines

Crumbs I was sure that the angle used in M19, was the angle after an index pulse, but can see now its after the enable edge. Guess I cannot get the index to trigger the enable. Pulling oneself up by the bootlaces I expect.
I've been wondering whey I never really followed the logic behind how those on the forum have got tool changing to work.
So what is orient intended to do as I cannot picture what it can do if not related to a fixed point on the spindle.
A index relatable orient sounds like what I'd like, but not really got a clue how to start looking at that. Perhaps a bolt on python bit, a language I'm completely unfamiliar with. I'll do some research.
Thanks Andy.
  • andypugh
  • andypugh's Avatar
08 Feb 2026 18:32

Need to install newest Linux Debian Bookworm with the newest Linuxcnc preempt-rt

Category: Installing LinuxCNC

1) Why Bookworm and not Trixie?
2) Why not just install from the ISO image?

It looks like the automatic updater has not updated the manual page to reflect anything since 2.9.4.

You can see what the page is meant to currently say here:
github.com/LinuxCNC/linuxcnc/blob/master...etting-linuxcnc.adoc
  • amanker
  • amanker
08 Feb 2026 18:28

Remora - Rpi Software Stepping Using External Microcontroller via SPI

Category: Computers and Hardware

Thanks a lot.
I am attaching my ldscript which I made based on existing ldscripts included in repository. And attaching my platformio.ini.

File Attachment:

File Name: STM32F446X...L.ld.txt
File Size:5 KB

File Attachment:

File Name: platformio.ini
File Size:3 KB
  • andypugh
  • andypugh's Avatar
08 Feb 2026 18:23
Replied by andypugh on topic Hurco BMC 30 AP

Hurco BMC 30 AP

Category: CNC Machines

It sounds like the servo amps are being enabled without the PIDs being enabled.

Start LinuxCNC from the command-line and make sure that there are no error messages in there.
  • andypugh
  • andypugh's Avatar
08 Feb 2026 18:16 - 08 Feb 2026 18:18
Replied by andypugh on topic HURCO KMB-1 Control Update

HURCO KMB-1 Control Update

Category: Milling Machines

I don't think that Orient uses index.
(It probably should, and adding spindles to the homing sequence is something that I meant to do and seem to have forgotten).
If you were to set the spindle-index-enable in the HAL file then the encoder would be aligned to index as soon as it does a revolution in spindle mode.
The "orient" component exists specifically to account for the many thousands of accumulated turns accumulated in the spindle encoder counter.
If you wanted to re-index on every orient then one way would be to create a modified version of "orient" that outputs an index-enable and that also commands an initial position command morfe than one turn from the starting postition until the index reset is detected. 
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