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  • Hakan
12 Nov 2025 17:14
Replied by Hakan on topic Ethercat - assinged the same pdos to multiple Slave-Signals?
From what I can see, the lcec EL1014 driver expects PDOs at 0x6000, 0x6010, 0x6020 and 0x6030. Two of your units have that.
Three of your units have PDOs at 0x3101:1, 0x3101:2, 0x3101:3 and 0x3101:4.
Maybe there is a reason for that? Different versions? I don't know the products very well.

You can use the generic driver for the 0x3101 units.  And for the other units as well.
Run "lcec_configgen -typedb=false" and hopefully you should get the "generic" driver for all devices in the output.
 
  • Lcvette
12 Nov 2025 17:11
Replied by Lcvette on topic Probebasic tool length calculation
ah are you using the tool setter page to set the spindle zero with the probe spindle zero button?
  • Lcvette
12 Nov 2025 16:57
Replied by Lcvette on topic Probebasic tool length calculation
where is your z home position set?
  • skipper
12 Nov 2025 16:43
code G71 was created by skipper
Sherline lathe running LinuxCNC  2.9.4
Trying to get G71 to work. Seems like some code if not right. Wont read U,W,  commands.
When eliminating one another one shows up that it wont read. 
Seems like someone has already fixed or worked it out.
Please help,
Thank 
Skipper
  • PCW
12 Nov 2025 16:33 - 12 Nov 2025 16:34
Replied by PCW on topic Program stopped - do not understand the cause
This indicates a loss of communication , most commonly this is a real time issue
with the network connection.

Typical fixes for network real time issues:

If you host computer uses a RealTek Ethernet chip, it's likely you need to install the DKMS 8168 driver.

If you have a Intel Ethernet chip, disabling IRQ coalescing helps (see hm2_eth manual page)

To tesl network latency, run this command:

sudo chrt 99 ping -i .001 -q -c 60000 [card_ip_address]

This will run for 1 minute and print timing statistics.

Where [card_ip_address] is the 7I96s card ip address (192.168.1.121 or 10.10.10.10)
  • nwallace
12 Nov 2025 16:16
Replied by nwallace on topic How to disable buttons in Probe Basic
I do not mess with working configs. Currently testing on a VM. I'm trying to solve a problem with the old interface locking up after probing.
Your comment is supremely unhelpful. If I was someone who had just broken a working install and I was desperate to get it working again, maybe making them feel dumb is the wrong approach.
Not sure what version of probe basic the old one is but I am testing on the latest available installed via apt based on the documentation.
  • kmeld
12 Nov 2025 16:15
Program stopped - do not understand the cause was created by kmeld
Hi,
I have a problem I am not able to figure out at all. So, I need some help.

I have simple 4 axis controller build on MESA 7i96S.
I have only stepper motors connected phisicaly. Forth controller is not connected.

I am running this machine fine for most of the time. 
But sometimes I am getting this (error message in the right bottom of the screen):

"hm2/hm2_7i9666666s.0:Watchdog has bit (set the /has-bit.pin to False to resume)"

below this is second error message:

"Unexpected realitime delay on task 0 with period 1000000
This Message will only appear once per session.
Run the Latency Test and  before continuing"

I find LinuxCNC in a state of e-stop and machine not running. But position where program is interrupted is not necsarely concistant with phisical position of the machine.

If I get controller from e-stop state jogginf works in the controller but machine does not move.

What can be the cause and nature of this problem?

Cris

 
  • tommylight
12 Nov 2025 16:04
Replied by tommylight on topic Ethercat - assinged the same pdos to multiple Slave-Signals?
Moved to "EtherCAT" section.
  • MillingMarvin
12 Nov 2025 15:57 - 12 Nov 2025 16:00
Ethercat - assinged the same pdos to multiple Slave-Signals? was created by MillingMarvin
Hello Everyone,
i am just starting out with some Beckhoff Modules and ethercat communication.
To be speciffic:
EK1100
EL1014 and EL1014-0010
EL2004
EL5101
EL4038

I only addet :
HALFILE = ethercat.hal
the the axis.ini file.
The axis.sim config is otherwise untouched

I used the basic xml definition like so:
Code:
<slave idx="0" type="EK1100" name="EK1100_01"/> <slave idx="1" type="EL1014" name="EL1014_01"/> Full xml file is attached. When i arrange them in this order: K1100, EL1014, EL2004 I can start Linuxcnc and see/use them in the Halshow window. (set the output of the EL2004 Module and sense the Input on the EL1014 module) But if i try to stack more EL1014, I get the error: Failed to register PDO entry: No such file or directory Debug file information: [spoiler] Note: Using POSIX realtime Failed to register PDO entry: No such file or directory LCEC: master 0 PDO entry registration failed LCEC: failure, clearing config LCEC: exiting LCEC: returning -EINVAL lcec: rtapi_app_main: Invalid argument (-22) ./ethercat.hal:4: waitpid failed /usr/bin/rtapi_app lcec ./ethercat.hal:4: /usr/bin/rtapi_app exited without becoming ready ./ethercat.hal:4: insmod for lcec failed, returned -1 9404 Stopping realtime threads Unloading hal components Note: Using POSIX realtime [/spoiler] after some reserch on pdos, it is obvious that every pdo should only be used once per master-slave config. [b]Why does my Ethercat master distribute the same pdo to different salves? Or even better, how can I fix this? Any help is greadly appreciated. Do you need more information on my setup or additional files? my output after:[/b]
  • Code:
    [b]ethercat pdos and[/b]
    • Code:
      [b]ethercat slave [spoiler] [code]cnc@cnc:~$ ethercat pdos === Master 0, Slave 1 === SM0: PhysAddr 0x1000, DefaultSize    1, ControlRegister 0x00, Enable 1   TxPDO 0x1a00 "Channel 1"     PDO entry 0x6000:01,  1 bit, "Input"   TxPDO 0x1a01 "Channel 2"     PDO entry 0x6010:01,  1 bit, "Input"   TxPDO 0x1a02 "Channel 3"     PDO entry 0x6020:01,  1 bit, "Input"   TxPDO 0x1a03 "Channel 4"     PDO entry 0x6030:01,  1 bit, "Input" === Master 0, Slave 2 === SM0: PhysAddr 0x1000, DefaultSize    0, ControlRegister 0x00, Enable 0   TxPDO 0x1a00 "Channel 1"     PDO entry 0x3101:01,  1 bit, "Input"   TxPDO 0x1a01 "Channel 2"     PDO entry 0x3101:02,  1 bit, "Input"   TxPDO 0x1a02 "Channel 3"     PDO entry 0x3101:03,  1 bit, "Input"   TxPDO 0x1a03 "Channel 4"     PDO entry 0x3101:04,  1 bit, "Input" === Master 0, Slave 3 === SM0: PhysAddr 0x1000, DefaultSize    0, ControlRegister 0x00, Enable 0   TxPDO 0x1a00 "Channel 1"     PDO entry 0x6000:01,  1 bit, "Input"   TxPDO 0x1a01 "Channel 2"     PDO entry 0x6010:01,  1 bit, "Input"   TxPDO 0x1a02 "Channel 3"     PDO entry 0x6020:01,  1 bit, "Input"   TxPDO 0x1a03 "Channel 4"     PDO entry 0x6030:01,  1 bit, "Input" === Master 0, Slave 4 === SM0: PhysAddr 0x1000, DefaultSize    0, ControlRegister 0x00, Enable 0   TxPDO 0x1a00 "Channel 1"     PDO entry 0x3101:01,  1 bit, "Input"   TxPDO 0x1a01 "Channel 2"     PDO entry 0x3101:02,  1 bit, "Input"   TxPDO 0x1a02 "Channel 3"     PDO entry 0x3101:03,  1 bit, "Input"   TxPDO 0x1a03 "Channel 4"     PDO entry 0x3101:04,  1 bit, "Input" === Master 0, Slave 5 === SM0: PhysAddr 0x1000, DefaultSize    0, ControlRegister 0x00, Enable 0   TxPDO 0x1a00 "Channel 1"     PDO entry 0x3101:01,  1 bit, "Input"   TxPDO 0x1a01 "Channel 2"     PDO entry 0x3101:02,  1 bit, "Input"   TxPDO 0x1a02 "Channel 3"     PDO entry 0x3101:03,  1 bit, "Input"   TxPDO 0x1a03 "Channel 4"     PDO entry 0x3101:04,  1 bit, "Input" === Master 0, Slave 6 === SM0: PhysAddr 0x0f00, DefaultSize    0, ControlRegister 0x44, Enable 9   RxPDO 0x1600 "Channel 1"     PDO entry 0x7000:01,  1 bit, "Output"   RxPDO 0x1601 "Channel 2"     PDO entry 0x7010:01,  1 bit, "Output"   RxPDO 0x1602 "Channel 3"     PDO entry 0x7020:01,  1 bit, "Output"   RxPDO 0x1603 "Channel 4"     PDO entry 0x7030:01,  1 bit, "Output" cnc@cnc:~$ ethercat slave 0  0:0  PREOP  +  EK1100 EtherCAT-Koppler (2A E-Bus) 1  0:1  PREOP  +  EL1014 4Ch. Dig. Input 24V, 10 s 2  0:2  PREOP  +  EL1014 4K. Dig. Eingang 24V, 10 s 3  0:3  PREOP  +  EL1014 4K. Dig. Eingang 24V, 10 s 4  0:4  PREOP  +  EL1014-0010 4K. Dig. Eingang 24V, galv. getrennt, 10 s 5  0:5  PREOP  +  EL1014-0010 4K. Dig. Eingang 24V, galv. getrennt, 10 s 6  0:6  PREOP  +  EL2004 4Ch. Dig. Output 24V, 0.5A [/spoiler] It does matter which EL1014 Module is in which position, the sequence of the assigned pdos is not allways the same. Greatings from germany!
      [/b][/code]
Code:
[b][code]Sorry, wrong category, could someone move this to "ethercat"?
[/b][/code]
Code:
[b][code] 
[/b][/code]
  • tsaG
12 Nov 2025 14:45
Replied by tsaG on topic Probebasic tool length calculation
No, I did not modify it.

I think I saw something in the Offset tabs but I am unable to fully understand and get rid of it. I did some tests but I was not able to remove the offset.
I mean, the mill works so far as every tool has the same huge offset but I still would like to understand why and where it comes from. I did a video that could help, but, to be honest, I do not know what to do....

I attached my var file (renamed as ini as the forum apparently doesn't allow uploading var files) as well as the machine config.
I also created a video of clicking around in the menu.  cloud.bihnairy.de/s/eDjYwNrbX8apHQF
 
  • Jensner
12 Nov 2025 14:14 - 12 Nov 2025 15:29
Replied by Jensner on topic Nach Neuinstallation upgrade auf Kernel-Release 6.3.0-rt11-linuxcnc
Hello Andy 

"sudo apt-cache search linux-image-rt" gives me the following lines back:
Code:
linux-image-rt-amd64 - Linux für 64-Bit-PCs (Metapaket) linux-image-rt-amd64-dbg - Debugging symbols for Linux rt-amd64 configuration (meta-package)

There is no Version-Info.

.. doesn`t matter. I will install the LinuxCNC 2.9.4 Debian 12 Bookworm PREEMPT-RT ISO

Best regards
Jens
  • andypugh
12 Nov 2025 13:50
Replied by andypugh on topic 7i92 cnc motion controller from aliexpress?
Do you have a link? I have no idea what that is (it isn't a 7i92) but I do see a little "LinuxCNC" logo so possibly it is a clone.
Except to be a clone there would need to be an FPGA chip in that big pad array in the middle.

The "real" 7i92 is here:
store.mesanet.com/index.php?route=produc...t_id=378&search=7i92
or here:
eusurplus.com/index.php?route=product/pr...t_id=168&search=7i92


Is it this one?
www.aliexpress.com/item/1005010164851154.html

I would probably pay the extra for Mesa support and warranty.
  • Jensner
12 Nov 2025 13:33
Replied by Jensner on topic Nach Neuinstallation upgrade auf Kernel-Release 6.3.0-rt11-linuxcnc
Hi Andy,

many thanks for your support.
What do you think would be the best / cleanest way?
Update or new installation with the ISO?

By the way, for my DELL Optiplex 3060 this would be the "LinuxCNC 2.9.4 Debian 12 Bookworm PREEMPT-RT ISO" ?

Best regards
Jens
  • KlausB
12 Nov 2025 13:33
Replied by KlausB on topic z_level_compensation again
Hello,
Thank You for reading my post.Yes - the installation was on a formatted/clean HDD and the ISO-Image was OK. The only software I additionally use on the Machine is FreeCAD (as an App-image) to generate the g-code for my projects.
I attached a zip-file with my complete configuration.
My cnc is simple, so I did the following adjustments:
- I use a script for dynamic tool measurement. So I can use FreeCAD's g-code with different tools in a single project.
- I use a delay after starting the spindle
- I use a debounce for the probe
You will find these changes in the ini-file and hal-files. These changes does not affect the described Issue.
I’m afraid my post is in the wrong category. I should have chosen “qcvcp.” Because problem belongs to the display category.
Is it possible/necessary to change the category?
Thank you for your help


 
  • andypugh
12 Nov 2025 13:20
Replied by andypugh on topic Nach Neuinstallation upgrade auf Kernel-Release 6.3.0-rt11-linuxcnc
Beide Latenzzeiten sind schrecklich.

The first image is running a realtime kernel, but the jitter is larger than is really useful. (0,4 ms in a 0,025ms thread will not work )

The second image shows a system that is not even running a realtime kernel, so the jitter is huge, 10ms or more.

You should try installing the latest realtime kernel and see if things improve after reboot.
sudo apt-cache search linux-image-rt
will give you a list of available realtime kernels. Find the newest listed and then
sudo apt-get install linux-image-rt{rest of the name}

Alternatively you could tre a fresh install from the LinuxCNC ISO image.

www.linuxcnc.org/downloads/
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