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  • trisa25
  • trisa25
01 Aug 2024 17:32 - 01 Aug 2024 17:36
Replied by trisa25 on topic LinuxCNC and Beckhoff AX5000 servo drives

LinuxCNC and Beckhoff AX5000 servo drives

Category: EtherCAT

Yes, i saw some posts but they did not share any clear results.

Thank you.
  • Grotius
  • Grotius's Avatar
01 Aug 2024 17:30
Replied by Grotius on topic Trajectory Planner using Ruckig Lib

Trajectory Planner using Ruckig Lib

Category: General LinuxCNC Questions

Hi Arciera,

I can write gcode file output tomorrow, but clothoids & splines must then be converted to a G1 linestrip.
Then the overall output is G1,G2 or G3.
Is this ok for you?
  • cnbbom
  • cnbbom
01 Aug 2024 16:46
Replied by cnbbom on topic help with installation

help with installation

Category: Installing LinuxCNC

this says it is conflicting
  • cnbbom
  • cnbbom
01 Aug 2024 16:38
Replied by cnbbom on topic help with installation

help with installation

Category: Installing LinuxCNC

following the steps indicated, it says that I must uninstall any traces of Linux, but I receive the following message.

To install on Debian 12 with linuxcnc-uspace already installed use : sudo apt purge linuxcnc*  and wait for apt to completely remove every trace of LCNC.
but it happens this way
  • tommylight
  • tommylight's Avatar
01 Aug 2024 16:30
Replied by tommylight on topic help with installation

help with installation

Category: Installing LinuxCNC

1 linux image
2 linux headers
3 linuxcnc
4 rtai modules
OR
3 rtai modules
4 linuxcnc
-
Gdebi will tell you if there is something that needs to be installed.
  • cnbbom
  • cnbbom
01 Aug 2024 16:18
Replied by cnbbom on topic help with installation

help with installation

Category: Installing LinuxCNC

forum.linuxcnc.org/9-installing-linuxcnc...r-2-9?start=0#304599

Start with the kernel packages, then I think there are some modules then finally the Linuxcnc packages. Best thing is to read completely read through both threads linked in the previous threads.

Your avatar is scary, but you look like a good person!
I'm able to understand things
 

  • cnbbom
  • cnbbom
01 Aug 2024 16:15
Replied by cnbbom on topic help with installation

help with installation

Category: Installing LinuxCNC

Do a new full install and start over.
Never use root or SU to install stuff as everything will be installed in the root folder and nothing will work as a normal user, always use sudo.
LinuxCNC will refuse to run as root due to having full hardware control and stopping misuse.



Before seeing your post, that's what I did, so I was right to do a new installation
Thank you, now I need to know something, are there 4 files, should you install all 4 or just one?

linux-headers-5.4.279-rtai-amd64_5.4.279-rtai-amd64-1_amd64.deb
Arquivolinux-image-5.4.279-rtai-amd64_5.4.279-rtai-amd64-1_amd64.deb
Arquivolinuxcnc_2.9.2_amd64.deb
Arquivortai-modules-5.4.279_5.3.3-linuxcnc-delta_amd64.deb
   
 

  • tommylight
  • tommylight's Avatar
01 Aug 2024 16:09

A strange 5 axis machine detailed build log with limited tools, on youtube

Category: Show Your Stuff

NOT my stuff!!!
-
Several videos of building a strange 5 axis machine with hand tools, he does a great job of explaining every step in detail:
  • Thayloreing
  • Thayloreing
01 Aug 2024 16:07

How to make Linuxcnc open with the feed and override 0?

Category: General LinuxCNC Questions

Thank you very much, I will test it as soon as possible, get back to you if everything goes well
  • Mecanix
  • Mecanix
01 Aug 2024 15:52

LinuxCNC-RIO - RealtimeIO for LinuxCNC based on FPGA (ICE40 / ECP5)

Category: Computers and Hardware

hmm, ok fair enough. I'm no expert and so glad you are. I'm quite grateful I can actually get step pulses out to the oscope and comm with Lcnc already. Pretty cool. Guess fine-tuning this comm reliably will require some significant effort (knowledge?). I'll have a look at the RMII and Esp32 solutions when time allows, and see what comes out. Expect stupid/clueless questions coming your way soon enough though!!

  • tommylight
  • tommylight's Avatar
01 Aug 2024 15:48
Replied by tommylight on topic help with installation

help with installation

Category: Installing LinuxCNC

Do a new full install and start over.
Never use root or SU to install stuff as everything will be installed in the root folder and nothing will work as a normal user, always use sudo.
LinuxCNC will refuse to run as root due to having full hardware control and stopping misuse.
  • besriworld
  • besriworld
01 Aug 2024 15:36
Replied by besriworld on topic Tuning of servo-drive

Tuning of servo-drive

Category: EtherCAT

MIN_FERROR = 0.010 - This is the value in machine units by which the joint is permitted to deviate from commanded position at very low speeds. If MIN_FERROR is smaller than FERROR, the two produce a ramp of error trip points. You could think of this as a graph where one dimension is speed and the other is permitted following error. As speed increases the amount of following error also increases toward the FERROR value.

FERROR = 1.0 - FERROR is the maximum allowable following error, in machine units. If the difference between commanded and sensed position exceeds this amount, the controller disables servo calculations, sets all the outputs to 0.0, and disables the amplifiers. If MIN_FERROR is present in the INI file, velocity-proportional following errors are used. Here, the maximum allowable following error is proportional to the speed, with FERROR applying to the rapid rate set by

If you are on the factory settings of the PID regulator. They are almost always very soft. They must be set up.
When the driver is activated, the motor axis must be locked - by hand, the axis must not move.
  • meister
  • meister
01 Aug 2024 15:33 - 01 Aug 2024 15:35

LinuxCNC-RIO - RealtimeIO for LinuxCNC based on FPGA (ICE40 / ECP5)

Category: Computers and Hardware

the rmii code is not mine, unfortunately my knowledge of verilog is not sufficient for that, i have only adapted it to rio

github.com/sipeed/TangPrimer-20K-example...Ethernet/verilog_UDP

you can run the rio-test tool to see the timeouts:
PYTHONPATH=. bin/rio-test riocore/configs/MecanixDev/config-test.json 192.168.10.194:2390

all in all, it works quite well with the w5500, but with the esp32 I get no timeouts at all

EDIT: the ping is completely handled inside the W5500, so it's not a good test
  • Mecanix
  • Mecanix
01 Aug 2024 15:33

LinuxCNC-RIO - RealtimeIO for LinuxCNC based on FPGA (ICE40 / ECP5)

Category: Computers and Hardware

Comparison added for the sake of having something to compare too. Nothing scientific ofc, however goes to show. Here's me brutalizing the gateway the same way, yet here we are talking, lket alone streaming 4k vids, dwloading gigabytes of data from int'l servers. 

I'm not an network expert but, this W5500-over-RIO seems to be bullet proof!! Fairly impressed already. 

  • cnbbom
  • cnbbom
01 Aug 2024 15:32
Replied by cnbbom on topic help with installation

help with installation

Category: Installing LinuxCNC

I can now say what condition I am in
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