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  • knipknap
  • knipknap
24 May 2025 17:08
Replied by knipknap on topic MESA 7i76E burning out issue

MESA 7i76E burning out issue

Category: Driver Boards

Thanks a lot for your help!

Now that I hooked up an oscilloscope, the problem disappeared completely again - can't reproduce it anymore, at all.

That made generating pulses easier of course, I simply jogged the thing along. The levels of the step+/- pins on the motor side are around 4.8 volts, and -4.8 on a pulse.

I also noticed that the level between STEP- and the cable shield (GND) is around 40 volts AC (50 Hz). I can't say I understand why that would be so. Is that normal/intended?
  • theoneandonlyoreo
  • theoneandonlyoreo
24 May 2025 16:52 - 24 May 2025 16:54
Replied by theoneandonlyoreo on topic problems with Verser Probe Screen 2.9

problems with Verser Probe Screen 2.9

Category: Basic Configuration

It appears that the pins in question (probe.toolchange-change, etc) would be created by probe_screen.py.

In the INI file,
EMBED_TAB_NAME=PSNG
EMBED_TAB_COMMAND=halcmd loadusr -Wn gladevcp gladevcp -c gladevcp -u psng/python/probe_screen.py -x {XID} psng/probe_screen.glade
EMBED_TAB_LOCATION = ntb_user_tabs

And from custom_postgui.hal
# Ensure all toolchange pins are free to use
unlinkp iocontrol.0.tool-number
unlinkp iocontrol.0.tool-prep-number
unlinkp iocontrol.0.tool-change
unlinkp iocontrol.0.tool-changed
unlinkp iocontrol.0.tool-prepare
unlinkp iocontrol.0.tool-prepared

net tool-change            probe.toolchange-change      <=   iocontrol.0.tool-change 
net tool-changed           probe.toolchange-changed     =>   iocontrol.0.tool-changed
net tool-number            probe.toolchange-number      <=   iocontrol.0.tool-number
net tool-prep-number       probe.toolchange-prep-number <=   iocontrol.0.tool-prep-number
net tool-prep-loopback     iocontrol.0.tool-prepare     <=   iocontrol.0.tool-prepared

net tool-prep-loop         iocontrol.0.tool-prepare      <=   iocontrol.0.tool-prepared

#loadusr -W probe_screen

loadusr -W /home/cnc/linuxcnc/configs/lycnc/psng/python/probe_screen.py
 
  • cmorley
  • cmorley
24 May 2025 16:49
Replied by cmorley on topic Keyboard shortcut rempaping

Keyboard shortcut rempaping

Category: Qtvcp

Try this.
in your config folder add folders qtvcp/screens/qtdragon_hd

in the qtdragon_hd folder add this file, name it qtdragon_hd_handler.py
  • Lcvette
  • Lcvette's Avatar
24 May 2025 16:38
Replied by Lcvette on topic Install Probe Basic

Install Probe Basic

Category: QtPyVCP

for installing qtpyvcp and probe basic use the apt install, it stay updated and will update as updates are available when you run sudo apt update for the system.

the linuxcnc installation seems to be a moving target, i use my own instructions in the stable_quick_start_apt for installing debian and linuxcnc and it seems to be the most reliable. but you technically should be able to do it the way you outlined above. please report back if you get errors.
  • mathwld
  • mathwld
24 May 2025 16:35
Retrofit Gildemeister ct40 was created by mathwld

Retrofit Gildemeister ct40

Category: General LinuxCNC Questions

Hello all,I’m in progress to get information about how to retrofit an old Gildemeister.To make a plan with what to buy and set the proper path. In the begging was pretty clear, new servo, new Vfd, go with ethercat and modbus for spindle. But when o checked today the spindle is a very large dc motor. The amplifier is old but in working condition. A new amplifier have a huge price for this motor. Do you have some suggestion for me?
  • billykid
  • billykid's Avatar
24 May 2025 16:24
Replied by billykid on topic sanmotion rs2a03a0al0w00

sanmotion rs2a03a0al0w00

Category: Driver Boards

Hi Tom, with the new cable all four work. I looked for motors but they ask 200 euros, in your opinion are these drives valid or are new Chinese ones better?
I calculate the cost of the motors because the drives didn't cost me anything.
  • PCW
  • PCW's Avatar
24 May 2025 16:12
Replied by PCW on topic MESA 7i76E burning out issue

MESA 7i76E burning out issue

Category: Driver Boards

Perhaps an output is marginal because of previous damage

I would verify full 5V swing on all step/dir pins.

Here is a simple script to toggle all stepgen step and direction pins slowly:

 

File Attachment:

File Name: stepgens_2...5-24.txt
File Size:1 KB



Download then

chmod +x stepgens.txt

and

./stepgens.txt to run

Note that this needs a relatively recent mesaflash

github.com/LinuxCNC/mesaflash
  • CallumRD1
  • CallumRD1
24 May 2025 16:07
Replied by CallumRD1 on topic Keyboard shortcut rempaping

Keyboard shortcut rempaping

Category: Qtvcp

I'm running version 2.9.3
  • COFHAL
  • COFHAL
24 May 2025 16:01
Replied by COFHAL on topic W5100S-EVB-PICO stepgenerator and encoder driver

W5100S-EVB-PICO stepgenerator and encoder driver

Category: Driver Boards

When I open this link: developer.arm.com/downloads/-/gnu-rm, it says: This page is deprecated. See Arm GNU Toolchain for updated content and latest releases. Arm GNU Toolchain.
If I follow Arm GNU Toolchain, many download options appear. Which one should I download?
The truth is, I have little experience doing this type of installation from scratch, and it seems like what you've written on your Github is for experts. I don't know if there's a way to do all these processes automatically with bash.
  • cmorley
  • cmorley
24 May 2025 16:00
Replied by cmorley on topic Keyboard shortcut rempaping

Keyboard shortcut rempaping

Category: Qtvcp

Which version of linuxcnc are you using?
  • tiagounderground
  • tiagounderground
24 May 2025 15:51 - 24 May 2025 16:21
Replied by tiagounderground on topic LinuxCNC S-Curve Accelerations

LinuxCNC S-Curve Accelerations

Category: General LinuxCNC Questions

i cant tell as am not machining anything, just moving the machine.
with other files this doesnt happen, but the position errors still happens
a lot of times i have drivers out off op state, then back on, i can run the same hardware on standard linuxcnc without any problem

edit:
emcMotionInit: emcTrajInit failed
this message shows in terminal when i start the scurve ethercat config, is this a problem?.
 
  • langdons
  • langdons
24 May 2025 15:49
Replied by langdons on topic Best practice for installing custom Python packages in LinuxCNC?

Best practice for installing custom Python packages in LinuxCNC?

Category: General LinuxCNC Questions

C is a bit too simple for my liking.

The nice thing about Java is you can do almost everything with just the JDK, no add-on libraries are needed usually.

Python needs all these dependencies which are installed via pip, and I think it just makes stuff more likely to be incompatible.
  • langdons
  • langdons
24 May 2025 15:43 - 24 May 2025 15:47
Replied by langdons on topic LinuxCNC S-Curve Accelerations

LinuxCNC S-Curve Accelerations

Category: General LinuxCNC Questions

Does it actually machine straight lines?

If it does, that's super odd, especially as those straight lines will cause higher jerk than a smooth curve.
  • tiagounderground
  • tiagounderground
24 May 2025 15:27 - 24 May 2025 15:40
Replied by tiagounderground on topic LinuxCNC S-Curve Accelerations

LinuxCNC S-Curve Accelerations

Category: General LinuxCNC Questions

i was able to solve it removing
addf cia402.0.read-all servo-thread
addf cia402.1.read-all servo-thread
addf cia402.2.read-all servo-thread
addf cia402.3.read-all servo-thread

now im running the machine but sometimes i have following errors that disable the motors, some arcs are beeng replaced for straigh lines and causing this, im trying to solve it now

i attach a printscreen from the gcode 




 
  • DavidR8
  • DavidR8
24 May 2025 14:58 - 26 May 2025 02:10
Replied by DavidR8 on topic Install Probe Basic

Install Probe Basic

Category: QtPyVCP

@lcvette I have LinucCNC 2.9 running on my computer now, installed using this:
linuxcnc.org/docs/stable/html/getting-st...th_preempt_rt_kernel
If I'm understanding the documentation correctly, the above link installs the Debian Bookworm distribution.

To install Probe Basic, do I start at the very beginning of this which seems to install Debian Bookworm.
kcjengr.github.io/probe_basic/stable_quick_start_apt.html

Or start here?
kcjengr.github.io/probe_basic/quick_start.html
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