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I can't enable debug mode. Could this be part of the problem?

roger@roger:~$ echo 1 | sudo tee /sys/module/ethercat/parameters/debug
[sudo] Passwort für roger: 
tee: /sys/module/ethercat/parameters/debug: Datei oder Verzeichnis nicht gefunden
1
roger@roger:~$ sudo modprobe -r ethercat
modprobe: FATAL: Module ethercat not found.
roger@roger:~$ sudo systemctl stop ethercat
roger@roger:~$ sudo modprobe -r ethercat
modprobe: FATAL: Module ethercat not found.

An old PC might actually be better than a Pi for latency.

Add RAM for sure.

The problem with a Pi is it has no power supply of its own.

I run the cooling fans of my 3 stepper drivers off the 12V rail of the PC controlling them (I made a cable to siphon off the PC's power).

Make sure to set the governor to performance; it helps latency a bit.

Run this in a terminal:
echo performance | sudo tee /sys/devices/system/cpu/cpu*/cpufreq/scaling_governor > /dev/null

I can be found everywhere, if you know where to look, but i do not think you need that, yet, this should be fairly easy to figure out.

-BlenderCAM forum.linuxcnc.org/31-cad-cam/26123-blen...-addon-it-s-now-2025
-FreeCAD had Path workbench
-PyCAM
-Inkscape has gcodetools included that can do 2D/2.5D
-DXF2Gcode can be used with LibreCAD
-Dmap2Gcode for depth map of images, i use it a lot for engraving
-Image2Gcode is included with LinuxCNC, just open an image and it shows
forum.linuxcnc.org/31-cad-cam/46947-viac...nux-and-mac?start=50

darkpheonix try with this and go from there. if you are trying to set up a rotational axis, that is different than a linear axis in setup

these options are not real, and im unsure where you got them from.

It's on the right track but I wonder how to pin-point exact reason and solution.
I have seen spelling mistakes cause this, but yours seems fine.
Can be the old network driver not unloading.
It's along those lines, the master can not get control over the network interface.
Can you set debug "ethercat debug 1", restart the ethercat server and show the dmesg again?
 

Do not wire Enable until you get things working.

hi andypugh thank you for replying. What interface would you recommend for getting started? I’m not looking for anything too fancy — just something to get the first few projects running. I’ll upgrade the machine later.As for second-hand servos, I haven’t been able to find many good options here. Most of the ones I’ve seen have been used almost to the point of failure, so I’m worried that if I buy them, they might break down quickly and I’ll end up spending twice as much.

github.com/scottalford75/Remora-RT1052-c...xCNC/nvem-rt1052.txt

this is your config.txt and it loads on the board via tfpt, hence the NVEM in the title. It is board specific, and is the only thing board specific.

github.com/scottalford75/Remora-RT1052-c.../remora-rt1052-basic
this is the hal/ini file. it is not board specific. the same hal/ini file will work with the ec300 ec500 and nvem.

load the config.txt to the board, and load the remora-rt1052-basic in linuxcnc
dont go to any other github repos. dont run the file through AI. you configure your machine in the ini file.

hi rodw, thank you very much!
I have a question: if I don’t use Beckhoff and just use the computer’s Ethernet port or network card, how can I control things like the VFD for the spindle motor or coolant flow? Where would I connect those? Also, I live in Iran and unfortunately Mesa FPGA cards are not available here.
it’s almost like North Korea here — we can’t really order anything from abroad, so I haven’t been able to get any Mesa FPGA cards

Hi All

I have tried a few variations of wiring (but plugging it in to P1 surely didn’t help), more about that shortly.

I tried this

Mesa 7i76u TB2 axis to DM556T signal in.

Differential wiring:
GND
STEP- to PUL-
STEP+ to PUL+
DIR- to DIR-
DIR+ to DIR+
+5VP
(with ENA+ and ENA- on DM556T not connected)

I tried the same as above with
GND wired to ENA-
then
+5VP wired to ENA+
then
with both wired.


***************************
See Control Signals image which shows two different wiring for single ended.

I don’t know which type the Mesa 7i76u control uses, but I tried both of these.

Open-collector signal ties +5VP to PUL+ , DIR+ and ENA+
PUL- to PUL-
DIR- to DIR-

PNP signal ties GND to PUL-, DIR- and ENA-
STEP+ to PUL+
DIR+ to DIR+

***************************

Enable_disable image mentions this …

Enable signal:
This signal is used for enabling/disabling the drive.
High level +5V (NPN control signal) for enabling the drive, and low level for disabling the drive.

PNP and Differential control signals are on the contrary, namely Low level for enabling.

By default it is left UNCONNECTED (ENABLED).

***************************

Would anyone have valid Remora NVEM v5 config samples available anywhere? I do not have an EC500. I do not have an EC300. I have an NVEM v5 and so far no examples will work at all. Attempting to use the hal and ini files from github.com/scottalford75/Remora-RT1052-c.../remora-rt1052-basic do not seem to work as they all seem to be for the EC500. Any attempt  to use the config samples from github.com/scottalford75/Remora-NVEM results in compounding errors and will not run axis at all. Perhaps all I need to do is edit the EC500 hal and ini files? Is there any guide that will instruct me as to WHAT in those files I need to edit to get it to work? When I run the axis ec500 config and toggle the Estop and power on I can see the activity lights on the ethernet port start blinking so I know there is at least an attempt to communicate with the controller, but I am pretty sure that most else is different in the configs between the EC units and the NVEM units.

Honestly at this point I am sure I have an acute case of information overload and have wiped out and reinstalled remora more than a few times.

Thank you for presenting other approaches to the subject. It allows me to better understand the general principle of operation of various concepts and HAL structures
I will test your suggestions (it will take me some time) and I will definitely describe it on the forum so that it will be helpful for other and so that they do not bother you with nonsense like me hehe )

Is there any free cadcam software for mill ?
I know NativeCAM and librecad-freecad for cad something else ?

Thank you very much Hakan, I have attached the result as a file