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  • PCW
  • PCW's Avatar
30 May 2026 20:37
  • Surmetall
  • Surmetall's Avatar
30 May 2026 19:31

Retrofitting an old industrial CNC mill with EtherCAT components - MAHO MH400E

Category: EtherCAT

how cool is that! great work! that opens a huge door for older Heidenhain scales to ethercat without the need of exe's. thank you very much!
  • RMJ fabrication
  • RMJ fabrication
30 May 2026 18:51
  • RMJ fabrication
  • RMJ fabrication
30 May 2026 18:32

Ethernet connection to Mesa 7i76e disconnecting on its own after one minute

Category: Plasmac

The sudo grub-customizer did not disable eee for me.   
  • Aciera
  • Aciera's Avatar
30 May 2026 17:56

please help five Axis with Vismach simulation and Mesa 7i96S

Category: General LinuxCNC Questions

you will need to connect the joint position hal pin to the respective vismach hal pin.
This can be done in either the INI or a hal file.
For an example see
github.com/LinuxCNC/linuxcnc/blob/master...ilting/xyzac-trt.ini
# vismach xyzac-trt-gui items
HALCMD = loadusr -W xyzac-trt-gui
HALCMD = net  :table-x      joint.0.pos-fb             xyzac-trt-gui.table-x
HALCMD = net  :saddle-y     joint.1.pos-fb             xyzac-trt-gui.saddle-y
HALCMD = net  :spindle-z    joint.2.pos-fb             xyzac-trt-gui.spindle-z
HALCMD = net  :tilt-a       joint.3.pos-fb             xyzac-trt-gui.tilt-a
HALCMD = net  :rotate-c     joint.4.pos-fb             xyzac-trt-gui.rotate-c
  • PedPEx
  • PedPEx
30 May 2026 17:30

Retrofitting an old industrial CNC mill with EtherCAT components - MAHO MH400E

Category: EtherCAT

I do actually like the way the spindle encoder is mounted. Unfortunately, I already sourced a SICK absolute multiturn SSI encoder ATM60-A4A 13x13 bit a long time ago and only paid 65 EUR for it - or I'm going to use my leftover Baumer OG73 S SN1024 1V_pp encoder, which I received as a gift a long time ago. In case neither implementation works out as it should, I'll have a detailed look at your encoder :D ( AliExpress Link )

Back to the modified EL5021 terminal: I couldn't believe that it was that easy to modify it and be able to read the encoders back. That's when - as any sane person would do xD - I got into the car, drove to my parents' house, and tested the modified terminal on the Maho CNC mill. What can I say, it's working like a charm, even on the first try :o So, yes, an EL5021 Beckhoff terminal can actually read 11µA_pp signals and you only have to modify 9 resistors in total. A rudimentary schematic is attached :) I'm not able to measure the capacitance of the capacitors due to the installed resistors within the circuit, but their values shouldn't really matter (maybe an RC low-pass filter is no longer tuned as it should be, but that shouldn't cause problems here - I hope). I documented the very first test of the modified terminal and uploaded the video to YouTube.

I've also attached a screenshot of the CiA Danfoss VFD diagnostic tool for anyone interested :)

  • macsddau@linuxcnc
  • macsddau@linuxcnc's Avatar
  • PCW
  • PCW's Avatar
30 May 2026 15:27

TTL to differential converter (STEP / DIR / ENABLE)

Category: Computers and Hardware

For testing purposes with just a parallel port, you could use 2 pins for one signal and invert one in hal
to get differential signals.

As long as the output bits come from the same physical port (say PP pins 2..9),  and the hal addf
order and thread is correct. the outputs will change simultaneously.
  • PCW
  • PCW's Avatar
30 May 2026 14:45

Ethernet connection to Mesa 7i76e disconnecting on its own after one minute

Category: Plasmac

The reason ethtool is not found is that it's installed in /usr/sbin/
and that's not on the default user path. (but is in the default root path)
  • Alex
  • Alex
30 May 2026 14:35

please help five Axis with Vismach simulation and Mesa 7i96S

Category: General LinuxCNC Questions

Thank you, but I have to modify the ini and hal file....?
I tried it with KI, but not working...
  • vibram
  • vibram
30 May 2026 14:26

Retrofitting an old industrial CNC mill with EtherCAT components - MAHO MH400E

Category: EtherCAT

Awesome work Patrick!
Regarding the spindle, here is my solution for a similar setup, the idea was to be able to keep the drilling operation possible. It works well 
 
  • mgiaco
  • mgiaco
30 May 2026 14:00

Mesa 7i76e pncconf open loop stepper leadshine

Category: HAL

Its not working but i got everything to work.

github.com/mgiaco/ecam_cnc/ => axis
github.com/mgiaco/ecam_cnc/tree/probe_basic => probe basic

Now i am try to get manual tool change to work as i like.
  • mgiaco
  • mgiaco
30 May 2026 13:58

Probe Basic Fusion360/FreeCAD manaual tool change workfolow?

Category: QtPyVCP

Hi, I am new to linuxcnc. Now i got my machine running with linuxcncn and mesa. If someone like to see my config ongoing

github.com/mgiaco/ecam_cnc => axis
github.com/mgiaco/ecam_cnc/tree/probe_basic => probe basic

So my long time goal is to write a program with fusion360 oder freeCAD and then mill with auto tool change on my machine.
So before i go more forward i would like to ask if i need this tool_length_probe  change (github.com/TooTall18T/tool_length_probe) also for the current version of probe basic.

As a beginner it´s really a little bit confusing because it seems that there is alsmost everything ther in probe basic now in the actual version. I wachte the  video from ToolTall18T but this is 2 Years old i think. So can someone give me some help here?

Thanks alot.



 
  • rodw
  • rodw's Avatar
30 May 2026 10:27

Ethernet connection to Mesa 7i76e disconnecting on its own after one minute

Category: Plasmac

once all that's done, do the ping command PCW asked for and share it. It should be pretty good now.
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