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If i set non zero update-hz problem of crazy data reading on encoders stop
but also stops working modbus device so no solution here..

I'm not chasing better performance. I'm chasing a configuration that will work with modern hardware (no slots or parallel ports). I thought ethercat might be a means of getting there. I saw the above post and assumed that this hardware would do what I wanted.

stiickies?
I have a working config using 2 parallel ports. Can I start with that?
I am using closed loop steppers.
I undestand that I will have to add invert pins etc.
The reset pin has me confused. Is it to generate a particular pulse width?

JTknives wrote:

I just watched your YouTube video on you high speed ohmic and it’s impressive. 

I assume you mean this one

I had a job which I filled a 8' x 4' sheet with some flanges and small parts. I cut it in 3 sections on a 4' x 4' table and there were heaps of probing so over time I tweaked the probing routine heights etc. I was using my hypersensing which uses a THCAD for the ohmic sensing. it does not like Hypertherm machines on a water table but it would work for you by the look.

Part of the speed comes from the way it breaks contact on up travel because as soon as it senses a fall in voltage, probing finishes (before the contact is broken).
I've been sent a ohmic circuit from Proma Elextronika in Poland. Its a very nice piece of kit and have some very good reviews on it. This will by my water table solution.

Aciera wrote:

The documentation is outdated, try clicking on the colored channel buttons on the bottom of the screen to toggle channels on/off. Eg the red button with '1' on it.

Fixed in github.com/LinuxCNC/linuxcnc/commit/e412...449b7450922240e9b9c1

    Hello, I have a machine with 32gb of RAM and an i5, QTdragon fails to visualize gcode files over 20-30mb. The RAM is not even loaded. What could be the problem and how to solve it? Instead of a program, a box within machine bounds is displayed.

Sorry for the late message. Unfortunately I had to give the project less priority. 
At the moment very busy with my full time work, my own company and graduating from my bachelor mechanical engineering next to a more than full-time job. 

I am slowly designing further on the mechanical part during my breaks. The hardware will be a pc that runs on plasmac in combination with a mesa board and a thcad. 

The drive will be a belt, I do not believe that this stretch is noticeable under the load of plasma cutting. Much cheaper and simpler in design than rack and pinion.

 

unknown wrote:

Dude please don't change the subject, it makes things hard. I check this thread regularly.

I think it is useful to change the title from
"Linuxcnc & the Rpasberry Pi"
to that 
"Linuxcnc & the Raspberry Pi"

Royka,
I hope you don't mind  linking to your 6.12 kernel from my how to document
docs.google.com/document/d/1jeV_4VKzVmOI...diY/edit?usp=sharing

you need to write your hal by hand. check the stiickies and start with an example config.

Dude please don't change the subject, it makes things hard. I check this thread regularly.

atrex77 wrote:

can you share the AXYZ_connect.hal file?
 

The opening post has all the files as attachments, just download and save them.

The hal_parport driver creates the pins & such and also talks directly to the parallel port hardware. I'm not sure if want you do is possible. I would imagine it would require a very special real time driver. I would also guess you wouldn't get any extra performance over using a parallel port as the step & direction timings would be created by the Linuxcnc software.

A great thank you to the team and testers! This is gonna be a big milestone for LCNC…

Well, well done!

Pierre

I just got a SCATECH EV1616DN module with the view of using it instead of parports. I have the hal operating the module.
I used github.com/pklopping/linuxcnc-ethercat-b...asic_digital_outputs for reference.
I'm lost as to how to integrate this back into a linuxcnc hal file generated by stepconf.
I assumed that I could simply change the parport references to lcec but, for example' there are no -reset pins etc.
Can you point me at an example of a compete configuration using ethercat?