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  • hmearns
  • hmearns
15 Nov 2024 13:09
Replied by hmearns on topic Novakon Mill Conversion - Getting Started

Novakon Mill Conversion - Getting Started

Category: CNC Machines

Thank you! That did the trick. I did that when I was trying to mash two files together, but when I realized that I could use the wizard i forgot about it plus the wizard lets you select the drive which gives you 500 for that value which maybe keeps you from running away or burning something up but doesn't do much for making the motors turn. I dug the other specs out of my old files for the drive and put them in the wizard and the steppers sound happy again. Now I just have to get the spindle drive to respond and I'll be back where I started :O) Thanks again for your quick replies and patience with me.
  • AD_15
  • AD_15
15 Nov 2024 12:39
Unrecognized error -1 was created by AD_15

Unrecognized error -1

Category: General LinuxCNC Questions

Hello!!
I have implemented mesa 7c81 on spartan 6. Raspberry pi is connected with my board (spartan 6) and we implement linuxcnc on that board, everything works good here but while we run some big files after some time it shows error Unrecognized error -1 and my python scripts stop suddenly, even estop didn't work, file will run but my scripts, estop functionality stop working. Please Suggest any solution.
  • aleksamc
  • aleksamc's Avatar
15 Nov 2024 12:19
Replied by aleksamc on topic Trajectory Planner using Ruckig Lib

Trajectory Planner using Ruckig Lib

Category: General LinuxCNC Questions

Unfortunately I'm bad programmer))) But if you you will be successful (as it seems it is) in multi threaded running of g-code interpreters.
It would be good and easily to implement for user to add such possibility as "assign each axis to it's own g-code interpreter and path-interpolation with help of HAL.ini".
For example: assign axes X1,Y1,Z1, A1,B1 to thread 1.
assign axes X2, Y2, Z2 to thread 2.
  • juliankoenig87
  • juliankoenig87
15 Nov 2024 08:46
Replied by juliankoenig87 on topic Suggestion for a PCI EPP card for 7i43

Suggestion for a PCI EPP card for 7i43

Category: General LinuxCNC Questions

This is ma hal line
  • juliankoenig87
  • juliankoenig87
15 Nov 2024 08:43
Replied by juliankoenig87 on topic Suggestion for a PCI EPP card for 7i43

Suggestion for a PCI EPP card for 7i43

Category: General LinuxCNC Questions

Ok. The 7i43 looks like it is working.

But I have no luck with the PCI card. Right now I think I have to go with a PCI, because there is a PCI-e graphic card which seems have to be installed for booting.

Mesaflash sometimes works. Sometimes the pc freezes. Everthing ist grounded with separate cables.

Addr ist 0xD010. Whe mesaflash is working it shows 0xD010:0xD410. So high addr should be 0xD410 as I understand.

Linuxcnc shows error while startup and mesaflash with --print-pd shows an error regarding access to the flash.

Any ideas?
  • Dougal9887
  • Dougal9887
15 Nov 2024 07:41
Replied by Dougal9887 on topic Error when trying to open Gmoccapy confiuration.

Error when trying to open Gmoccapy confiuration.

Category: Gmoccapy

One difference stands out immediately.
My file uses syntax
" except Exception, e"
New version uses
"except Exception as e"

I'm beginning to think that I would be better to start with a new configuration. As you point out, probe screen has an updated version. That would just leave the spindle speed buttons to fix......
  • rebelx
  • rebelx
15 Nov 2024 06:41 - 15 Nov 2024 06:47
Replied by rebelx on topic linuxcnc 2.9.2 (live) on the intel n100 cpu

linuxcnc 2.9.2 (live) on the intel n100 cpu

Category: Computers and Hardware

As a PS: I am currently running LinuxCNC 2.10 on Debian 13 (both pre-release versions). Although XFCE is the de facto standard Desktop Environment for LinuxCNC, in my experience KDE nowadays performs slightly better with lower latencies. Gnome, Cinnamon and others are usually worse.
As for latencies: please do not be too obsessed with low latency numbers. Only when you are using old style software based step generation or encoder counting, latency (base thread max jitter) can be a critical factor. When using MESA cards and similar solutions, only the servo thread max jitter is relevant and keeping that below 100us is usually good practice. I always keep it below 50us and never encounter any problems. Even without  full BIOS optimization it should be possible to have a very acceptable performance already on this N100 mini-PC. 
  • Tim Bee
  • Tim Bee
15 Nov 2024 06:23
Replied by Tim Bee on topic probe basic tool direction

probe basic tool direction

Category: QtPyVCP

I found some code in tool_actor.py
 
I changed 
transform.RotateWXYZ(90, 1, 0, 0) to transform.RotateWXYZ(-90, 1, 0, 0)
The tool module's origin will change to bottom
 
and tool will rotate in right point
 
but, if G43, the path will draw wrong

I have poor Engilsh, and just have a little coding, forgive me

Tim
 
  • Aciera
  • Aciera's Avatar
15 Nov 2024 06:05
  • rebelx
  • rebelx
15 Nov 2024 04:50
Replied by rebelx on topic LinuxCNC on Intel Clear Linux

LinuxCNC on Intel Clear Linux

Category: Installing LinuxCNC

Hi Tom, please let me know how I can send help! More coffee and pizza, or perhaps some nice beers?   I actually have quite some time available, so if you are working on specific things for which you need help, just let me know.
As for Debian, yes of course it is a big plus to have an easy install method, especially after doing system upgrades. But that was not always the case. I remember the days that upgrading under Debian could also be quite a lot of work. After LinuxCNC was added to the  mainstream Debian repositories things became much easier. And I hope that once CL has added LinuxCNC to their collection of software bundles, the same easy install and update method will apply to CL as well.
To answer you question about compiling LinuxCNC on CL: yes, I tried that, but many of the dependencies were not available on CL yet, or perhaps they were available but in places that I was not aware of. So instead of wasting more time, I followed the advice from the CL team and submitted a request to have a bundle created by them, which is comparable to having Debian adding LinuxCNC to their mainstream repositories. It should result in a single command to install and update LinuxCNC without having to build things from cratch, similar to having LinuxCNC in the Debian repositories.
But again, for me it is not about creating an alternative to Debian. It is about finding out if LinuxCNC under CL can benefit from their processor optimizations and if so (which still remains to be seen), how we may benefit from that on Debian and other distros as well.
  • mBender
  • mBender
15 Nov 2024 04:01

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

Category: Computers and Hardware

Another night with some progress. I am almost certain that my Y Axis problem is not the Tang or Rio.

I changed motors, drives, wires and pins and the stalling still happens. Then I thought measuring Direction and Step at the same time. And I believe I found the error. I measured the output of the Tang which is almost perfect. A tiny bit of noise, but really not a lot. When I measure Step and Dir at the drives Dir has a lot noise! See pictures below. I have the step and dir per motor in a single 2 conductor cable. I changed that and put the 2x dir in one cable and the left the step each in a separate cable. No change. I think I have so much noise that the driver probably thinks to change direction.

Anyone an idea how to reduce the noise? Channel B (red) is direction.

   
  • rebelx
  • rebelx
15 Nov 2024 03:29 - 15 Nov 2024 06:36
Replied by rebelx on topic linuxcnc 2.9.2 (live) on the intel n100 cpu

linuxcnc 2.9.2 (live) on the intel n100 cpu

Category: Computers and Hardware

Hi Wrightys99, if you want the same mini-PC that I have, go to Aliexpress and seach for "T8 N100". The result will show many of these mini PCs, sold under different brand names, like Chatree, Firebat, or no name at all. Mine has no name. As far as I can tell they are all the same. Just pick the cheapest with your preferred configuration. I bought mine for around €150,- with 16GB RAM and a 256GB SSD. Make sure it has the N100 processor, not the older N5095. Although I ordered it without an OS, it came with Windows 11 pre-installed and activated at no extra cost. So I just made the system dual-boot where I can use Windows for tuning my servo drives, as many servo drives come with Windows tuning software.
Below are some pics.
As for the most optimal settings, I will have to check how I modified the BIOS setting. Please allow me to follow-up with a separate post on that. As for isolcpus (boot config parameters) using isolcpus=1,2,3 gives by far the lowest latency, but at the expense of a slightly affected responsiveness of the system in case you want to run other tasks in addition to LinuxCNC, like YouTube or so. But since this PC will be a machine controller, it is recommended not to use it for anything else than LinuxCNC and not have it connected to the internet, certainly not during machine operation. What I typically do is use isolcpus=2,3 during system configuration, e.g. when building a new machine or modifying an existing machine, where I sometimes have to check online resources, and once the configuration is done switch back to isolcpus=1,2,3. But using isolcpus=2,3 still gives latencies that are low enough for using LinuxCNC, so setting it to 1,2,3 is not even needed. But many of us just love the fact that the system is running with the lowest latencies possible   Just make sure that the latency settings (max jitter) in your machine configuration matches the correct isolcpus settings. If the latency (max jitter) was determined with using isolcpus=1,2,3 and you run the machine with isolcpus=2,3, you could potentially encounter some issues. So if you want to run the machine with isolcpus=2,3, then also determine the max jitter with that setting and enter those results into your machine configuration.
For easily modifying boot parameters such as isolcpus, I typically use the program grub-customizer, which I find a bit more convenient than using the command line (sudo vi /etc/default/grub).
    ​​​​​​​  ​​​​​​​ 
  • Wrightys99
  • Wrightys99
15 Nov 2024 00:18
Replied by Wrightys99 on topic linuxcnc 2.9.2 (live) on the intel n100 cpu

linuxcnc 2.9.2 (live) on the intel n100 cpu

Category: Computers and Hardware

Hi, just been reading this post and I’m looking for a linuxcnc pc to use with my 7i95t. I kind of get the gist of what is going on, but could you provide a link to one of these pcs please.
Could you also provide steps I would need to take to turn off all the unnecessary options or settings, to make it as streamlined as the thread is indicating please.
I am a noob to this cnc hobby and I’m currently in the learning a steep curve process of cnc.
I’ve just bought a cnc of fleabay that I am planning to upgrade and learn the ropes.
The current board in their is the CPO-10V which I am going to change to the 7i95t and run linuxcnc on this new mini industrial pc.
Like many most likely before me I have great plans for this cnc, only time will tell if most of them come off :)
  • PCW
  • PCW's Avatar
15 Nov 2024 00:09 - 15 Nov 2024 00:09
Replied by PCW on topic Pi-5, NVMe and Mesa

Pi-5, NVMe and Mesa

Category: Installing LinuxCNC

if you wire the MPGs to normal encoder inputs,
you should be able to monitor the position or raw count
pins of the encoders in the "Watch" window of halshow.

something like:

hm2_7i95.0.encoder.03.rawcounts

Note that if the MPG has single ended outputs you will need
to jumper the 7I95T encoders for single-ended/TTL mode.

Note that there is an advantage to using the 7I95T isolated
inputs for MPGs in that they support a 1X mode which works
better with 100 PPR MPGs that have a detent, as it gives you exactly
one jog increment per click.
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