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  • unknown
  • unknown
13 Mar 2025 13:04 - 13 Mar 2025 13:15

Linuxcnc & the Raspberry Pi (4 & 5) Official Images Only!!!

Category: Installing LinuxCNC

Ok the description is a little vague.

I don't think a clean install will "fix it". I don't think an update would have anything affect as the kernel,kernel modules and firmwares should not be touched during an update. In all honesty unless you are wanting to update Linuxcnc, there shouldn't be a need to do an update, most updates are just minor fixes that really don't affect the way Linuxcnc operates. The biggest "security threat" to cnc machine is someone getting physical access, and it would be the machine it self I would be the most worried about, blood gets everywhere, it's hard to clean and the injured party may want to blame you. I only will have wifi on when transferring files to the cnc machine, other than that I disconnect wifi.

I think you maybe experiencing an issue similar to what is discussed in this thread. Which it would is not Linuxcnc related, it's the ethernet port going to sleep/shutting down, tho it should be tx\rx ing packets more or less continuously. Yes I know it's a direct connection from the Pi to the Mesa card and the thread mentions switches a few times.
forums.raspberrypi.com/viewtopic.php?t=305820

It seems to be somewhat random to which boards are affected but I haven't noticed this on my RPi400.

Tho it might be an idea to check the power supply for the Pi & the mesa card. But if ti was the mesa card "dropping out" you would get notifications.
  • tsaG
  • tsaG
13 Mar 2025 13:02

ATC Tool Rack implementation gesucht

Category: Deutsch

Moin!

Hat jemand ein M6 Remap für Basicprobe für ein ATC Toolrack (in Y Orientierung) welches ich als Basis nutzen könnte?

Zudem bin ich gerade dabei einen kleinen Kettenwechsler zu bauen (dazu brauche ich erst einmal das normale Toolrack). Hat hier jemand erfahrungen?

Grüße
  • unknown
  • unknown
13 Mar 2025 12:52
Replied by unknown on topic Trouble getting a new configuration running.

Trouble getting a new configuration running.

Category: General LinuxCNC Questions

Did you try removing everything after the # symbol ?
  • Lik2waterski
  • Lik2waterski
13 Mar 2025 12:38
Replied by Lik2waterski on topic Trouble getting a new configuration running.

Trouble getting a new configuration running.

Category: General LinuxCNC Questions

I changed line 277 to this STEP_SCALE = 3.9307 # 1414.752 steps / 360° for 10-tool carousel

here is the error report
travis@cnc:~$ linuxcnc
LINUXCNC - 2.9.0~pre1+git20230208.f1270d6ed7
Machine configuration directory is '/home/travis/linuxcnc/configs/AXYZ'
Machine configuration file is 'AXYZ.ini'
Starting LinuxCNC...
linuxcnc TPMOD=tpmod HOMEMOD=homemod EMCMOT=motmod
Note: Using POSIX realtime
Found file(REL): ./AXYZ_load.hal

identityKinematicsSetup: coordinates:XXYZA
Joint 0 ==> Axis X
Joint 1 ==> Axis X
Joint 2 ==> Axis Y
Joint 3 ==> Axis Z
Joint 4 ==> Axis A
identityKinematicsSetup: Recommend: kinstype=both

hm2: loading Mesa HostMot2 driver version 0.15
hm2_eth: loading Mesa AnyIO HostMot2 ethernet driver version 0.2
hm2_eth: 192.168.1.121: INFO: Hardware address (MAC): 00:60:1b:13:04:fb
hm2_eth: discovered 7I92
hm2/hm2_7i92.0: Low Level init 0.15
hm2/hm2_7i92.0: Smart Serial Firmware Version 43
Board hm2_7i92.0.7i76.0.0 Hardware Mode 0 = standard
Board hm2_7i92.0.7i76.0.0 Software Mode 0 = io_spin
Board hm2_7i92.0.7i76.0.0 Software Mode 1 = io_ana_spin
Board hm2_7i92.0.7i76.0.0 Software Mode 2 = io_enc_ana_spin_fv
hm2/hm2_7i92.0: 34 I/O Pins used:
hm2/hm2_7i92.0: IO Pin 000 (P2-01): StepGen #0, pin Direction (Output)
hm2/hm2_7i92.0: IO Pin 001 (P2-14): StepGen #0, pin Step (Output)
hm2/hm2_7i92.0: IO Pin 002 (P2-02): StepGen #1, pin Direction (Output)
hm2/hm2_7i92.0: IO Pin 003 (P2-15): StepGen #1, pin Step (Output)
hm2/hm2_7i92.0: IO Pin 004 (P2-03): StepGen #2, pin Direction (Output)
hm2/hm2_7i92.0: IO Pin 005 (P2-16): StepGen #2, pin Step (Output)
hm2/hm2_7i92.0: IO Pin 006 (P2-04): StepGen #3, pin Direction (Output)
hm2/hm2_7i92.0: IO Pin 007 (P2-17): StepGen #3, pin Step (Output)
hm2/hm2_7i92.0: IO Pin 008 (P2-05): StepGen #4, pin Direction (Output)
hm2/hm2_7i92.0: IO Pin 009 (P2-06): StepGen #4, pin Step (Output)
hm2/hm2_7i92.0: IO Pin 010 (P2-07): Smart Serial Interface #0, pin tx0 (Output)
hm2/hm2_7i92.0: IO Pin 011 (P2-08): Smart Serial Interface #0, pin rx0 (Input)
hm2/hm2_7i92.0: IO Pin 012 (P2-09): IOPort
hm2/hm2_7i92.0: IO Pin 013 (P2-10): IOPort
hm2/hm2_7i92.0: IO Pin 014 (P2-11): Encoder #0, pin Index (Input)
hm2/hm2_7i92.0: IO Pin 015 (P2-12): Encoder #0, pin B (Input)
hm2/hm2_7i92.0: IO Pin 016 (P2-13): Encoder #0, pin A (Input)
hm2/hm2_7i92.0: IO Pin 017 (P1-01): IOPort
hm2/hm2_7i92.0: IO Pin 018 (P1-14): IOPort
hm2/hm2_7i92.0: IO Pin 019 (P1-02): IOPort
hm2/hm2_7i92.0: IO Pin 020 (P1-15): IOPort
hm2/hm2_7i92.0: IO Pin 021 (P1-03): IOPort
hm2/hm2_7i92.0: IO Pin 022 (P1-16): IOPort
hm2/hm2_7i92.0: IO Pin 023 (P1-04): IOPort
hm2/hm2_7i92.0: IO Pin 024 (P1-17): IOPort
hm2/hm2_7i92.0: IO Pin 025 (P1-05): IOPort
hm2/hm2_7i92.0: IO Pin 026 (P1-06): IOPort
hm2/hm2_7i92.0: IO Pin 027 (P1-07): IOPort
hm2/hm2_7i92.0: IO Pin 028 (P1-08): IOPort
hm2/hm2_7i92.0: IO Pin 029 (P1-09): IOPort
hm2/hm2_7i92.0: IO Pin 030 (P1-10): IOPort
hm2/hm2_7i92.0: IO Pin 031 (P1-11): IOPort
hm2/hm2_7i92.0: IO Pin 032 (P1-12): IOPort
hm2/hm2_7i92.0: IO Pin 033 (P1-13): IOPort
hm2/hm2_7i92.0: registered
Found file(REL): ./AXYZ_connect.hal
./AXYZ_connect.hal:131: setp requires 2 arguments, 10 given
Shutting down and cleaning up LinuxCNC...
Running HAL shutdown script
hm2_eth: in hm2_eth_reset
hm2_eth: HostMot2 ethernet driver unloaded
hm2: unloading
Note: Using POSIX realtime
LinuxCNC terminated with an error. You can find more information in the log:
/home/travis/linuxcnc_debug.txt
and
/home/travis/linuxcnc_print.txt
as well as in the output of the shell command 'dmesg' and in the terminal
travis@cnc:~$
  • U2fletch
  • U2fletch
13 Mar 2025 12:36

Linuxcnc & the Raspberry Pi (4 & 5) Official Images Only!!!

Category: Installing LinuxCNC

I installed LinuxCNC onto a RPi 400 with a touchscreen and GMOCCAPY. It works very well, but something has changed on the system and it is now unstable. LinuxCNC, is locking up after periods of inactivity. Running a Mesa 7i96 board. Wonder if doing another clean install will fix it. Might have had a bad update along the way. Will let you know what I discover....
  • zz912
  • zz912's Avatar
13 Mar 2025 12:17
Replied by zz912 on topic LCNC 2.10 - Ask for AUTOMATIC_G43

LCNC 2.10 - Ask for AUTOMATIC_G43

Category: Gmoccapy

I made:
sudo apt install linuxcnc

and files was in:
/usr/share/doc/linuxcnc/examples/sample-configs/sim/gmoccapy/
  • snowgoer540
  • snowgoer540's Avatar
13 Mar 2025 11:45
Replied by snowgoer540 on topic QTPlasmaC post processor - SheetCam?

QTPlasmaC post processor - SheetCam?

Category: Plasmac

Copy that just was curious!

Glad to hear you’re getting better results
  • HansU
  • HansU's Avatar
13 Mar 2025 11:36
Replied by HansU on topic LCNC 2.10 - Ask for AUTOMATIC_G43

LCNC 2.10 - Ask for AUTOMATIC_G43

Category: Gmoccapy

It looks good BUT the file
~/linuxcnc/configs/sim/gmoccapy/macros/change_g43.ngc
is created after load sim configuration. For example in my computer this file dont exist.

In my RIP installation file is here:
/home/zdenek/linuxcnc/linuxcnc-master/configs/sim/gmoccapy/macros/change_g43.ngc

This scripts must work also in debian instalation.

It is defined here:
github.com/LinuxCNC/linuxcnc/blob/1c72d4...ipts/linuxcnc.in#L53
But I dont know, how to use it.

 



Did you build a package from master and installed it?
I am pretty sure that the change_g43.ngc file should be next to the change.ngc file in the directory because all files from this folder are copied so this one should be copied as well.

"~/linuxcnc/configs/sim.gmoccapy/macros" (or similar)
  • stkvit
  • stkvit
13 Mar 2025 11:18 - 13 Mar 2025 11:19

Laser Head Height Sensor – Looking for a Beta Tester

Category: Plasma & Laser

Having studied the information a bit, I think you are using something like this. This is an interesting method, but it has a number of its own shortcomings. In addition to 7745, there are many more successful chips (for example, ZSSC3123AA2R, MAS6513, PCAP04, or the simplest   cav424 with an external ADC).

I will reveal the details that I found out on my own and were hard to find on the Internet:As for AD7745/AD7746, I tried to use it as a controller for gas burners. It was not easy because it worked on the desk, but during cutting, the gas changed the parameters very much and the AD7745/AD7746 measurement method was not suitable.1. It is not suitable for lasers because the reading is too slow 90Hz.To make sense for Lasers, the absolute minimum sampling is 500Hz (2ms), I have 3650Hz sampling but I do not want/cannot reveal why this value is chosen and it should be selected for a specific type of processing.2. AD7745/AD7746 have a measurement range of 17pF (60pF tollerant), which is definitely too little because the parasitic capacitances on the wire, head, etc. are 50-200pF3. The useful measurement range of the distance is 0.1pF - 30pF, although for some types of nozzles the range may be wider4. I chose the method of measuring the capacitance charging time, although I also experimented with measuring the frequency as in BCL-AMP BCS, which was a bit less stable but also very good.5. Unfortunately, I did not find any ready-made circuit like AD7745/AD7746 that would be suitable, and I had to design everything from scratch. 

  • atrex77
  • atrex77's Avatar
13 Mar 2025 11:10

Developing a Raspberry Pi Pico-based I/O Board for LinuxCNC

Category: General LinuxCNC Questions

Hi everyone,I've started developing an I/O board using the Raspberry Pi Pico. The prototype will feature 8x 24V outputs and 16x 24V inputs, communicating over Ethernet UDP with a real-time HAL driver. If everything works well, I plan to develop additional boards with step generation, analog outputs, and encoder inputs.At the moment, things are still evolving—I'm currently having the first batch of 5 PCBs manufactured and have already ordered the necessary components. Communication between the Pico and the real-time HAL is already working. :)I'll keep you updated as the project progresses!
  • Wischi
  • Wischi
13 Mar 2025 10:19 - 13 Mar 2025 14:26
Replied by Wischi on topic Spindle PID RPM oscillates under load

Spindle PID RPM oscillates under load

Category: Advanced Configuration

Thank you for the input!

Just got back to the machine.

Was not sure what value to set maxerror to so i started with 0.001. It did pretty much eliminated all overshoot, but i also feel that the P value has no effect anymore. A P value of 5 or 100 have the same response curve.

I tried milling with P=2 and maxerror=0.001 but still got a rpm drop of about 70 revolutions. Also tried P=5 and got a drop of 130 revolutions!

If i up the feedrate while under load i have the feeling i could easily stall the spindle.

Maybe the vfd is faulty?´

Also anything in the VFD setup that slows response will limit the highest stable P term.


Would reducing or disabling the startup acceleration also count here?

I attached a image of halscope with encoder feedback, speed cmd and pid output. The pid is working and trying to combat the drop, so maybe the spindle gearbox is not dynamic enough to respond quick enough? In the image the difference is not so big but again if i increase the load the difference gets much bigger.
  • JTknives
  • JTknives's Avatar
13 Mar 2025 10:12
Replied by JTknives on topic QTPlasmaC post processor - SheetCam?

QTPlasmaC post processor - SheetCam?

Category: Plasmac

Still using the fine cut consumables but much faster cut rates. The slag pops right off now. You can see where I’m getting alittle wiggle around sharp direction changes so I’m not sure going up to 250”/min will be beneficial with the standard consumables.
  • besriworld
  • besriworld
13 Mar 2025 10:06
Replied by besriworld on topic OLD Lathe conversion to a CNC

OLD Lathe conversion to a CNC

Category: Turning

There is no change, but I think it is worse. Because immediately after starting Linux, there was a warning message.

I ordered an i5 - 2500к processor.
It will arrive tomorrow and I will test it.
  • rodw
  • rodw's Avatar
13 Mar 2025 10:02
Replied by rodw on topic QTPlasmaC post processor - SheetCam?

QTPlasmaC post processor - SheetCam?

Category: Plasmac

Can you pass a message onto the sheet cam guy?

They have an active forum. Ask there
forum.sheetcam.com/
  • UrKibin
  • UrKibin
13 Mar 2025 09:52

CINCINATTI MILACRON ARROW 500 (BDS4 + VFS5) WITH MESA 7i77 + 6i25 WITH LINUXCNC

Category: Milling Machines

I tried using MesaCT to generae the ini and hal files but upon loading in linuxcnc, it produces an error.

Debug file information:
Note: Using POSIX realtime
./main.hal:31: Pin 'hm2_5i25.0.7i77.0.4.analogena' does not exist
2243
Stopping realtime threads
Unloading hal components
RTAPI_PCI: Unmapped 65536 bytes at 0x7f0b2d806000
Note: Using POSIX realtime

I do not know how to proceed. Kindly advise.

For information purposes,
Drive 0 - x axis
Drive 1 - y axis
Drive 2 - z axis
Drive 5 - Spindle

Regards,
Kelvin
 
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