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  • Tntmold
  • Tntmold
25 Jul 2025 21:59

Ethercat installation from repositories - how to step by step

Category: EtherCAT

Is there a repository that currently is complete and works? I have been trying to get an installation working since March with no luck at all. I continually get errors about various components (LCEC, Boost, meson, etc) I have been able to get an "install" using the repository on this thread but it seems to lack full connection to the before mentioned components
  • ErrickW
  • ErrickW
25 Jul 2025 21:32
  • Franklin
  • Franklin
25 Jul 2025 21:29 - 25 Jul 2025 21:31
Replied by Franklin on topic WHB02 remote control to QtPlasmac

WHB02 remote control to QtPlasmac

Category: Plasmac

Thank you, but I have already changed the plasmac component and got the result I wanted. I added a few lines:
   self.extJogXplusPin = self.h.newpin('ext_jog_x_plus', hal.HAL_BIT, hal.HAL_IN)
   self.extJogXminusPin = self.h.newpin('ext_jog_x_minus', hal.HAL_BIT, hal.HAL_IN)
   self.extJogYplusPin = self.h.newpin('ext_jog_y_plus', hal.HAL_BIT, hal.HAL_IN)
   self.extJogYminusPin = self.h.newpin('ext_jog_y_minus', hal.HAL_BIT, hal.HAL_IN)
   self.extJogZplusPin = self.h.newpin('ext_jog_z_plus', hal.HAL_BIT, hal.HAL_IN)
   self.extJogZminusPin = self.h.newpin('ext_jog_z_minus', hal.HAL_BIT, hal.HAL_IN)

   self.extJogXplusPin.value_changed.connect(lambda v: self.gui_button_jog(1 if v else 0, 'x', 1))
   self.extJogXminusPin.value_changed.connect(lambda v: self.gui_button_jog(1 if v else 0, 'x', -1))
   self.extJogYplusPin.value_changed.connect(lambda v: self.gui_button_jog(1 if v else 0, 'y', 1))
   self.extJogYminusPin.value_changed.connect(lambda v: self.gui_button_jog(1 if v else 0, 'y', -1))
   self.extJogZplusPin.value_changed.connect(lambda v: self.gui_button_jog(1 if v else 0, 'z', 1))
   self.extJogZminusPin.value_changed.connect(lambda v: self.gui_button_jog(1 if v else 0, 'z', -1))
It works great. 
  • nanowhat
  • nanowhat
25 Jul 2025 21:19

Controlling existing motors with resolvers

Category: Driver Boards

At work we have a robot with a dead servo drive. The manufacturer is still around, and says that the original drives aren't available by any means. As far as I can tell, the motors are ordinary 3 phase brushless servos, but with resolvers. I can't find any industrial servo drives or systems that use resolvers. A few manufacturers list drives that can take input from a resolver, but of course they all say "call for quote" before I can get any information on the device.

I'm aware of the Mesa 7I49 resolver interface board, and the 8I20 PWM amplifier (which is out of stock). Are there any other industrial servo amplifiers that work like the 8I20?

This is a professional application: I am not going to screw around designing boards, nor will I consider hobby-grade hardware. I'd like the next person who needs to work on this machine to be able to do so.
  • RLA
  • RLA
25 Jul 2025 20:44
limit switch problem was created by RLA

limit switch problem

Category: General LinuxCNC Questions

Hi ...after finally getting a micro switch wired up for limit switch,,,light shows on/off on mesa7ip6s board,..hal meter shows working... but when I run axis and hit switch held in my hand....no change....keeps moving. been at his all day...I usually like to figure things out myself but now I am weary...grateful for some help if possible.

Thanks,

Rick
  • mBender
  • mBender
25 Jul 2025 19:53

LinuxCNC-RIO - RealtimeIO for LinuxCNC based on FPGA (ICE40 / ECP5)

Category: Computers and Hardware

Put my PCB together! It works! Very happy to have moved on from breadboard to something more reliable!
  • andypugh
  • andypugh's Avatar
25 Jul 2025 19:28

"KeyError" suddenly appears after moving a limitswitch

Category: QtPyVCP

"Key Error" means that the system is looking in the object returned by getWcsOffsets() call for an item that doesn't exist.

It looks like, for whatever reason, the getActiveWcsIndex() call is returning -1. There isn't a -1-th WCS, so it returns an error message.

This looks like qtPyVcp isn't handling the case when the apparent WCs is zero properly.

github.com/kcjengr/qtpyvcp/blob/main/src...c_datasource.py#L194

I think you should raise this as a bug:
. github.com/kcjengr/qtpyvcp/issues
  • andypugh
  • andypugh's Avatar
25 Jul 2025 19:05
  • Waggi
  • Waggi
25 Jul 2025 19:01
  • andypugh
  • andypugh's Avatar
25 Jul 2025 18:49
Replied by andypugh on topic Biesse Rover B2.30 LinuxCNC

Biesse Rover B2.30 LinuxCNC

Category: General LinuxCNC Questions

For reference, my PCI motherboard (I have forgotten what it is, but that doesn't matter) in which I was using a Mesa 5i23 PCI card died.
I tried a PCIe to PCI adaptor in a DN2800MT motherboard running Debian Wheezy and it didn't work.

But when I tried an Asrock N100DC motherboard and Debian Bookworm it worked fine.

One of these (though the link will be dead in another 5 years)
www.amazon.co.uk/dp/B0CHM91KJB
  • PCW
  • PCW's Avatar
25 Jul 2025 18:18

How to install kernel patch? (Moschip 9900)

Category: Installing LinuxCNC

I would test with the motor power off (and maybe parallel port disconnected)
to verify if this is a noise issue (noise ground path through parallel interface)
or a software issue.
 
  • andypugh
  • andypugh's Avatar
25 Jul 2025 18:08
Replied by andypugh on topic Problem mit xhc-whb04b-6

Problem mit xhc-whb04b-6

Category: Deutsch

scale: already exists
...
./whb04b.hal:20: insmod for scale failed, returned -1

You are probably trying to "loadrt scale" in two different places.
You need to combine them into one "loadrt" that loads as many as needed.

(Or you can use HAL_TWOPASS, but that may be more work)
  • andypugh
  • andypugh's Avatar
25 Jul 2025 18:05
Replied by andypugh on topic Touch off don`t work "file not open"

Touch off don`t work "file not open"

Category: AXIS

If you start LinuxCNC from the command line (just type "linuxnc" do you see any mention of not being able to find the tool table (or possibly vars file) in the output?
  • andypugh
  • andypugh's Avatar
25 Jul 2025 18:02
Replied by andypugh on topic User tabs file missing probe basic

User tabs file missing probe basic

Category: QtPyVCP

paths can be a problem, where are the tabs and what do you have as PATH entries in the INI?
  • PCW
  • PCW's Avatar
25 Jul 2025 18:01 - 25 Jul 2025 18:01

Set program zero using XY positioning laser

Category: Advanced Configuration

Can If you post your hal/ini files?

The error is likely caused by a missing or mismatched

loadrt abs xxxxxx

line
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