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  • Lcvette
  • Lcvette's Avatar
Yesterday 21:48
Replied by Lcvette on topic Probe Basic backplot error when loading file

Probe Basic backplot error when loading file

Category: QtPyVCP

the docs are actually for the develop version, so just use the docs and configuration page information for any changes required
  • unknown
  • unknown
Yesterday 21:44
Replied by unknown on topic 7i92H

7i92H

Category: General LinuxCNC Questions

As an addendum to the above post, I'm working on a new Raspberry Pi image, suitable for both the 4 & 5 based on the raspios, that has all the nice setup features of a standard raspios image.

I'm hoping to create both a Bookworm & Trixie image.
  • unknown
  • unknown
Yesterday 21:41
Replied by unknown on topic 7i92H

7i92H

Category: General LinuxCNC Questions

A Raspberry Pi has its own I/O pins (albeit limited to 3.3V); connection via ethernet seems a bit stupid.


 


That is horribly bad advice. When using the GPIO pins on an RPi you require a base & servo thread, as you would with a PC with a Parallel port. Using a Mesa Ethernet card, in the case of OP, or a Mesa SPI card you only require a servo thread.
I use a RPi5 with a Mesa 7i92 & 7i76(plus some other smart serial cards) and I am very happy with it.

Yes the RPi5 requires an external PSU (does that really need to be mentioned ?) but some mini PC's require an external as well. Lenovo is one brand that comes to mind, I think the power blocks are similar to the Laptop power blocks.

Thin Clients may also be an option HP T630 are not so expensive on the second hand market and have a Quad core CPU,
www.parkytowers.me.uk/thin/hp/t630/
  • Dumitrus
  • Dumitrus's Avatar
Yesterday 21:37
Spindle and VFD control in LINUXCNC was created by Dumitrus

Spindle and VFD control in LINUXCNC

Category: General LinuxCNC Questions

Hello for all!

I'm want to control my spindle with LinuxCNC but I have no idea how to do this. I have a 2.2KW YL620-A VFD and I found in the manual some instructions for wiring and configurations for the VFD but I have no idea what to do in LinuxCNC. I attached an image with the wiring.

Thank you!

 
  • Joco
  • Joco's Avatar
Yesterday 21:16 - Today 05:11

MonoKrom - QtPyVCP GUI for PlasmaC and Mill

Category: QtPyVCP

The standard instructions are for stable releases.    Monokrom is still in development.  To enable access to development you need to adjust the sources line in /etc/apt/sources.list.d/kcjengr.list to read:deb [arch=arm64] repository.qtpyvcp.com/apt develop main

NOTE:  the arch= on your install migh be different.  Do no change that part of the entry.

Cheers.
 
  • PCW
  • PCW's Avatar
Yesterday 21:14
Replied by PCW on topic 7i92H

7i92H

Category: General LinuxCNC Questions

I would not recommend the PI4 unless you already have it. It's a bit slow and requires
fussing to get a 1 KHz servo thread over Ethernet. The PI5 is much more capable.

 MiniPCs are normally fine though if they have RealTek Ethernet hardware you will likely
need the DKMS (manufacturers) driver as the built in kernel driver has latency issues.
  • langdons
  • langdons's Avatar
Yesterday 20:56
Replied by langdons on topic 7i92H

7i92H

Category: General LinuxCNC Questions

A Raspberry Pi has its own I/O pins (albeit limited to 3.3V); connection via ethernet seems a bit stupid.

Mini PCs can be a bit annoying to to the space constraints.

Keep in mind that while PC can run off of AC line voltage, a Pi needs a separate power supply.
  • meister
  • meister
Yesterday 20:34
Replied by meister on topic Tipps für aktuelle LinuxCNC Hardware gesucht

Tipps für aktuelle LinuxCNC Hardware gesucht

Category: Deutsch

"spindle.0.on" muss auf einem pin liegen (z.b. relais), dann erscheint die auch im axis gui
  • Ingo
  • Ingo's Avatar
Yesterday 20:31
7i92H was created by Ingo

7i92H

Category: General LinuxCNC Questions

Guys, I'd like to hear your opinions.

I have a 7i92H and would like to build something very compact with reasonable performance. What do you recommend using, a Raspberry Pi4, Pi5, or even a mini PC?

Ingo
  • Philip Lydin
  • Philip Lydin
Yesterday 20:29
Subroutine error was created by Philip Lydin

Subroutine error

Category: General LinuxCNC Questions

Im setting up my cnc which has a toolchanger but i have some weird issues that if the tool prepared and tool changed iocontrol hal pins goes high i get an error that line 0 would exeed the z axis / joint 2 limit. I have 2 machines running linuxcnc but still cannot seem to figure out the problem. Im very lost so any info would help. 


o<toolchange> sub

M73
G90
G53 G0 Z0
G0 X0 Y0

o100 if [EXISTS[#<_ini[traj]axes>]]
    #<geometry> = #<_ini[traj]axes>
o100 endif

o110 if [#<geometry> EQ 4]
    G0 A0
o110 else if [#<geometry> EQ 5]
    G0 A0 C0
o110 endif

o<toolchange> endsub [1]

M2
this sub is just as a test. 

File Attachment:

File Name: hal_2025-10-22.txt
File Size:12 KB
 

File Attachment:

File Name: ini_2025-10-22.txt
File Size:4 KB
  • Murphy
  • Murphy
Yesterday 20:09 - Yesterday 20:23

Remora - ethernet NVEM / EC300 / EC500 cnc board

Category: Computers and Hardware

As far as I know , only quadratic encoders are currently supported with remora and rt1052

I'm not sure about the ec300 but the ec500 has the ability for hardware counting but you have to bypass the optocouplers as they are shite. 
  • royka
  • royka
Yesterday 17:28
Replied by royka on topic Update LinuxCNC 2.9.5 on debian 13

Update LinuxCNC 2.9.5 on debian 13

Category: Installing LinuxCNC

Yeah I could but I'd like to have a Trixe & Bookworm base image to work off. I'll get that going tomorrow (doesn't take too long) and have a look at the amd64 live-build for Trixie. Tho I'm a little desperate for disk space and had to drag a 2TB mechanical drive out of the cupboard.
This week's spending money went on RAM........so maybe in a couple of weeks I'll grab a NVMe drive.

Maybe if I stuck with Mach3 I wouldn't spend so much money, bugger I said the quiet part out load.

But that's no fun, too easy
  • tommylight
  • tommylight's Avatar
Yesterday 16:25

How to create profile for path that is not closed loop

Category: CAD CAM

Do give dmap2gcode a try, it is free, it is python so can be edited, but it does generate perfect gcode for my "scratcher" machines, i just modified it to output M67 values instead of Z depth:
forum.linuxcnc.org/show-your-stuff/46752...ver-etcher-scratcher
-
Another tip for Inkscape to save time, lots of time, when exporting in the "path to gcode" window, click on "sort paths to reduce rapid distance", a huge time saver.
  • Unlogic
  • Unlogic
Yesterday 15:41
Replied by Unlogic on topic Probe Basic backplot error when loading file

Probe Basic backplot error when loading file

Category: QtPyVCP

Thank you for a quick reply!

Just as a precaution is there anything special I need to take into consideration when upgrading to the development version?
  • jc2ktr
  • jc2ktr
Yesterday 15:23
Replied by jc2ktr on topic Festo CMMT-ST

Festo CMMT-ST

Category: EtherCAT

Sorry for the late Answer,

yes i had this Error in Festo Automation Suite too first. I don´t really know what i´ve done that it works now.
 

File Attachment:

File Name: cmmt.ini
File Size:2 KB
 

File Attachment:

File Name: EtherCAT_CMMT.hal
File Size:4 KB
 

File Attachment:

File Name: ethercat_CMMT.xml
File Size:2 KB

i put my working config in the Attachments.

 
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