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  • ANGELOS13
  • ANGELOS13
02 Jul 2025 21:36
Replied by ANGELOS13 on topic 7i92M very weird communication problem!!!

7i92M very weird communication problem!!!

Category: Installing LinuxCNC

Linuxcnc is running, the light on the rj45 stays solid green and the lights on the board stay solid without any activity.   
  • PCW
  • PCW's Avatar
02 Jul 2025 21:31
Replied by PCW on topic Configuración thcad2 con mesa 7i96s

Configuración thcad2 con mesa 7i96s

Category: General LinuxCNC Questions

The THCAD support was added to pncconf about 3 years ago so definitely in 2.9.4

The THCAD screen should appear on the next screen after the one where
you set the stepgen/encoder functions.
  • Johnnysacalu
  • Johnnysacalu
02 Jul 2025 21:06
Replied by Johnnysacalu on topic Configuración thcad2 con mesa 7i96s

Configuración thcad2 con mesa 7i96s

Category: General LinuxCNC Questions




he vuelto a instalar linuxcnc ultima version estable y nada sigue sin darme la option del thc
porque¿
  • PCW
  • PCW's Avatar
02 Jul 2025 21:05 - 02 Jul 2025 22:16

I get a tracking error. the scale of my encoder is correct on my B axis display

Category: Advanced Configuration

The search velocity is the speed when searching for the first
home switch actuation, the latch velocity is the velocity used
for for the actual homing switch/index move so only the latching
velocity is needed in this case.

Basically, Index-only homing is specified by setting the search
velocity to 0. (as the homing documentation specifies)
  • unknown
  • unknown
02 Jul 2025 20:40
Replied by unknown on topic Bios error during lcnc start

Bios error during lcnc start

Category: Computers and Hardware

Seems to be a commonly found issue, HP support forums discuss this quite a bit with various cards.
Might be an idea to google your issue, TLP poisoned, and see if there are any solutions. I wouldn't mention a specific card in your searches to begin with.
My first thought was if the card wasn't on a "whitelist" the PC may refuse to play ball .
  • PCW
  • PCW's Avatar
02 Jul 2025 20:20

MESA 7i76U inputs changing state without changes to config

Category: Basic Configuration

7I76U inputs are always sinking so normal connection would be:

+24V --> SWITCH --> 7I76U input

If you look in halshow, hm2_5i25.0.7i76.0.0.input-07 will always be
in the opposite state as hm2_5i25.0.7i76.0.0.input-07-not, so choosing
one or the other should make a difference.
  • scsmith1451
  • scsmith1451
02 Jul 2025 19:49

MESA 7i76U inputs changing state without changes to config

Category: Basic Configuration

Well, that didn't work. Inputs are back to sinking inputs as specified in the manual. I did comment out the PROBE input so it is not currently part of the configuration. However, on startup LCNC continues to show the EStop button activated so I cannot continue testing Homing.

Unable to continue at testing at this point.

These are the states of the inputs at this time:

 

And this is my HAL config:

 

File Attachment:

File Name: my_TestMill.hal
File Size:12 KB


Any help would be greatly appreciated.
  • JackRay
  • JackRay
02 Jul 2025 19:34

I get a tracking error. the scale of my encoder is correct on my B axis display

Category: Advanced Configuration

ok, I understood that, but how will my axis move if I don't give any speed? it will never detect my plus Z. I can't understand the logic ☺
  • PCW
  • PCW's Avatar
02 Jul 2025 19:34

7i92M very weird communication problem!!!

Category: Installing LinuxCNC

If there was no communication, LinuxCNC should exit.

Are you saying LinuxCNC is running but you have no activity light
(green LED on 7I92 RJ45)?

What does:

ip a

report when in this state?
  • mariomatix@yahoo.de
  • mariomatix@yahoo.de
02 Jul 2025 19:33

Entwickler für eine Programmierung einer angepassten CNC Software auf LinuxCNC

Category: Deutsch

Hallo Herr Jansen,

ich habe Ihnen unter This email address is being protected from spambots. You need JavaScript enabled to view it. eine E-Mail gesendet.

Mfg Mario Gnad
  • Doc_emmet
  • Doc_emmet
02 Jul 2025 18:58 - 02 Jul 2025 19:01
Read value or file in G-code was created by Doc_emmet

Read value or file in G-code

Category: G&M Codes

Hello, I want to use QtDragon to determine the tool height using Utils - Workpiece and then save the result so that I can access the value in the G-code. My idea was to save the result to a file, which also works by slightly modifying the auto_height.py file. I added the following line:

def show_result(self, data):
        diff = float(data) - float(data)
        self.lineEdit_height.setText(format(diff, '.3f'))
        # New line by me:
        with open('/home/dg/linuxcnc/nc_files/probe_height.txt', 'w') as f: f.write(str(diff))

But how can I access the value stored in the probe_height file in a measurement routine.ngc, or can I save the measured value directly in
the G-coder as a variable, e.g., #5000
 
  • meister
  • meister
02 Jul 2025 18:24

LinuxCNC with RIO (FPGA) SPI Issue: Unexpected 'HXHP' Response

Category: General LinuxCNC Questions

you need a clock of min. 10Mhz for the ICE40
Error: PLL input frequency 5.000 MHz is outside range 10 MHz - 133 MHz!
the cmd: '
gpio mode 7 clock;
gpio clock 7 5000000'
will generate an
18Mhz clock, not 5Mhz, don't know why


than you need to set the osc value to your new clock speed in
riocore/boards/IceShield/board.json
"clock": {
"osc": "18000000",
"speed": "29812000",
"pin": "35"
},

you can test the spi connection with the rio-test tool:
bin/rio-test riocore/configs/IceShield/config.json
i think to have the gpio commands you need to install WiringPi:
github.com/WiringPi/WiringPi/releases/tag/3.0

sorry, can not test it at the moment
  • Martin1901
  • Martin1901
02 Jul 2025 18:03

Entwickler für eine Programmierung einer angepassten CNC Software auf LinuxCNC

Category: Deutsch

Guten Tag zusammen,wir sind ein Maschinenbauunternehmen aus Norddeutschland und suchen einen Partner, der uns bei der Entwicklung einer CNC-Software für ein Bohr- und Fräszentrum unterstützt. Die Software soll auf LinuxCNC basieren und eine eigene, individuell gestaltete Benutzeroberfläche mit verschieden Features erhalten.Das beauftragte Unternehmen sollte die Erstinbetriebnahme übernehmen und einen langfristigen Support sicherstellen können.
Ein Lastenheft mit den Anforderungen an die Software liegt bereits vor.Bei Interesse an diesem Projekt freue ich mich über Ihre This email address is being protected from spambots. You need JavaScript enabled to view it.

Gruß

Martin Jansen

 
  • meister
  • meister
02 Jul 2025 17:35 - 02 Jul 2025 17:36
Replied by meister on topic Xilinx Zynq 7010 fpga crypto windfall boards

Xilinx Zynq 7010 fpga crypto windfall boards

Category: Driver Boards

my board is now here too.

I also managed to get the LEDs to flash,
but the FPGA with Vivado is very complicated for me.

In addition, the bridges you have to set on the board are extremely small (R1485 / 25Mhz clock).

somehow it is also possible to clock via PS (ARM-Core),
but I can't get it to run so easily with the console tools :(

Flashing via JTAG doesn't really work either, I can only write to RAM.

I'll keep playing around with it, but please don't expect RIO integration.

Otherwise the FPGA is cool with its dual-core ARM running Linux :)
 
  • langdons
  • langdons
02 Jul 2025 17:15 - 02 Jul 2025 17:16

Wait for spindle-halt signal before reversing spindle direction

Category: Basic Configuration

This circuit will prevent the spindle direction from changing so long as the spindle is not stopped:
www3.langdonstaab.ca/Spindle%20direction%20circuit.png

(Just an idea)
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