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  • PCW
  • PCW's Avatar
17 Aug 2025 15:15

Request for firmware bitfile for Mesa 7i90HD + 7i85S (3 axes, encoders, PWM)

Category: Driver Boards

Note that the pins listed in the source file comments are DB25 pins

so

7I90  P4.1  --> DB25.1
7I90  P4.3  --> DB25.14
7I90  P4.5  --> DB25.2

etc
  • alpri0265
  • alpri0265
17 Aug 2025 15:02
  • Surmetall
  • Surmetall's Avatar
17 Aug 2025 14:47 - 17 Aug 2025 14:50
Replied by Surmetall on topic NativeCam on LinuxCNC 2.9.3

NativeCam on LinuxCNC 2.9.3

Category: NativeCAM

Hi thanks for your answer. Yes i saw your Macros and i think they look really good. You did and do a great jobs there for all, thank you for that! But as far as i understand them, you can only use one at a time right? and there is also no macro for a free contur ? or do i miss something? 

edit: oh sorry my bad, they are from andypugh of course! so thanks andy :)
  • PCW
  • PCW's Avatar
17 Aug 2025 14:31 - 17 Aug 2025 14:32

Request for firmware bitfile for Mesa 7i90HD + 7i85S (3 axes, encoders, PWM)

Category: Driver Boards

Note that this is not a standard configuration as the 7I90 is a 50 pin connector FPGA card
and the 7I85S is s 25 pin FPGA card daughtercard. I pinned this out so a flat cable adapter
should be relatively simple (look at the included VHD source file for the pinout)

 

File Attachment:

File Name: 7i90_7I85S31p_p4.zip
File Size:9 KB


This has 3 stepgens and 1 PWMgen, 4 encoders and a sserial port
(on the 7I85S) 
 
  • PCW
  • PCW's Avatar
17 Aug 2025 14:07

MESA 7i97 - connection of DC Tach-Motors (2)

Category: General LinuxCNC Questions

Very briefly:

In the hal file (use the sample: basic7i97 or use MesaCT to generate the basic configurations)
The PID output pin connects to the PWM value pin. You would change this connection to 
add the abs component so you have:

PID output --> abs in --> abs out --> PWM value

That is, for example, in the basic7i97 hal file you have:

net x-output     => [HMOT](CARD0).pwmgen.00.value

This would need to change to:

net x-output     => abs.0.in
net abs-x-output    <= abs.0.out
net abs-x-output     => [HMOT](CARD0).pwmgen.00.value

 
  • machinedude
  • machinedude's Avatar
17 Aug 2025 14:03
Replied by machinedude on topic QTPYVCP+VISMACH+LINUXCNC ROLLED INTO ONE?

QTPYVCP+VISMACH+LINUXCNC ROLLED INTO ONE?

Category: QtPyVCP

 

i'm not even close to being done but got the viewer hooked into a custom .ui file. i think i am on the downhill side of things now but this seems to be the hard way to do it :) but since i have so much time in teaching myself this i will finish what i started. but basically, it's done in OpenGL.
  • alpri0265
  • alpri0265
17 Aug 2025 12:33

Request for firmware bitfile for Mesa 7i90HD + 7i85S (3 axes, encoders, PWM)

Category: Driver Boards

I understand, thank you! The duplication was unintentional. My apologies
  • tommylight
  • tommylight's Avatar
17 Aug 2025 12:17
  • Asymmetrisch
  • Asymmetrisch
17 Aug 2025 12:16
Replied by Asymmetrisch on topic Problem bei installation Ethercat

Problem bei installation Ethercat

Category: Deutsch

Hallo Franz,
hast du die Kombination ServoStar - EL6751 in der Zwischenzeit noch zum Laufen gebracht?

Schöne Grüße,
Gerhard
  • tommylight
  • tommylight's Avatar
17 Aug 2025 12:14

Request for firmware bitfile for Mesa 7i90HD + 7i85S (3 axes, encoders, PWM)

Category: Driver Boards

You posted the same question twice, and that is not good as it makes it impossible for us to follow what has been answered, and for users to find the correct info when they need to.
Duplicate post was deleted.
Thank you.
  • Hartwig
  • Hartwig
17 Aug 2025 12:14
Replied by Hartwig on topic MESA 7i97 - connection of DC Tach-Motors (2)

MESA 7i97 - connection of DC Tach-Motors (2)

Category: General LinuxCNC Questions

Thanks a lot for the answer.

Good message: it is doable and I can use the RS Pro amplifier. Unfortunately the Mattke not. In any case, I have to forget the Tach function of the motors.

Sorry for my further questions - I`m an absolute beginner and not an experienced programmer. This are my first steps in learning to run.

Below I have formulated my questions in red font. I need to understand, whether the I/Os on my MESA are sufficient by number and by functionality.
 
Thanks a lot and best regards
Hartwig
  • alpri0265
  • alpri0265
17 Aug 2025 11:49

Request for firmware bitfile for Mesa 7i90HD + 7i85S (3 axes, encoders, PWM)

Category: Driver Boards

Sorry, I didn’t quite understand what you mean by "without double posting". Could you please explain?
  • endian
  • endian's Avatar
17 Aug 2025 10:46
Replied by endian on topic Ethercat AX5206 stuck in SAFEOP

Ethercat AX5206 stuck in SAFEOP

Category: EtherCAT

hello,

what is the common routine of AX5YZZ homing please?

regards
  • Surmetall
  • Surmetall's Avatar
17 Aug 2025 09:29
Replied by Surmetall on topic NativeCam on LinuxCNC 2.9.3

NativeCam on LinuxCNC 2.9.3

Category: NativeCAM

Thanks for your reply.Oh man, I thought that with the move to Python 3, turning operations would finally work.  :/

LinuxCNC is an incredibly powerful tool, and on top of that, it's freely accessible to everyone.The situation with cloud-based CAD/CAM systems is both a blessing and a curse.
On one hand, I’m glad they exist and that we have relatively affordable access to them.
On the other hand, we are completely dependent on big corporations like Autodesk, Onshape and others,
and at the mercy of their decisions. That's not good if we have to rely 100% on them.
Plus, there are all the usual pros and cons of the cloud.With NativeCAM, the developers gave us a tool that’s quite close to industrial-level technology,
like Siemens ShopTurn/Mill or Heidenhain Klartext.
Only a few small features are missing.Is there some kind of working group or active community taking care of NativeCAM?
Am I in the right thread here?From what I could find, the original authors are no longer active.
(If you’re reading this: I hope you’re ok, and thank you for your amazing work!)I'm not a programmer, but I know open source lives from community involvement.
Everyone pitching in is what keeps it alive.
I'd love to contribute in some way.My first experiments with AI and LinuxCNC have already helped me a lot.
In the past few days, I've learned more, and could help myself faster with problems without annoying friendly people with my inability.
Five years ago, I would have been completely lost without help. Today its still the same but i can do 90% of the job und and just need help for the last 10% lol :DMaybe this (AI) could be a way to develop and revive the project,
even with noobs like me involved. :)
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