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I've added the SPI isolation. The whole thing is now fully isolated.

 

edit:
The values are placeholders, i usually use 2x470K to 2x1M for the side resistors and adjust the value for the middle one depending on what i can find.

I use the filter for a couple of reasons:
1. environmental noise
2. I don't trust cheap plasma cutters to output clean DC

I see a couple of capacitors and resistors as cheap insurance against potential future problems.

I want to be able to confidently support cheaper options like Lotos LTP5500CNC. That's the one I have. It works fine and is a small fraction the price of a Hypertherm.

I actually looked at supporting HF start machines in the past. I just couldn't justify the cost and effort.

Anything is possible, I just need to think about the best way to implement that.

Just about finished a massive update on control enable/disable so the dust needs to settle a bit on that.

JT

Luca
Thank you for your response.
I have eventually managed to make it work.
It looks like the Octopus Pro board has Motor3 and Motor4 running in parallel.
I have used Motor0,1,3 and 5, defined XY;UV axis and it works.
Now I have 4 independent linear axis.

I also wonder about the 2 50k resistors.

Good find on the regulated TMR-0511.
I looked at the output of the isolated power supply I use. I wasn't terrible, almost ok but not totally stable.

Why the filter step? HF?

Basically what you do is replace the motion part of the sim config with the ethercat motion.
Here is an example I often refer to. You do need the cia402 component as well.
github.com/dbraun1981/hal-cia402/tree/main/example

The signals looks ok
Also on the WATCH tablet the virtual led for e-stop and machine enable are working fine

ja, der the stepperonline support hat mich noch auf diesen Artikel hingewiesen:
Why Does the Motor Not Rotate After I Connect My Pulse Controller to the A6 Driver? | Help Center

Mein Fehler war, dass ich den S-On Pin mit GND und nicht mit COM- beim Testen verbunden hatte, jetzt funktioniert es!

 

This is works cool
And is there option for toggle between continues and limited (0.01 0.1 1) movements? I mean for example if keyboard jog is active, and i push 1 on keyboard, jog speed switch to 0.01, if i push 2 on the keyboard, then jog speed switch to 0.1 etc

Additional :
I tryed to add halui to have functionality of power on button and reset with external hard button, but somewhy there is an errors duing start of halui. May be flexgui didnt let halui to start?

ok, found this to try those 2 seconds maybe:

Two methods of THC activation are available and are selected with the Auto Activation check-button. Both methods begin their calculations when the current velocity of the torch matches the cut feed rate specified for the selected material:

Delay Activation (the default) is selected when Auto Activation is unchecked. This method uses a time delay set with the Delay parameter.

Auto Activation is selected when Auto Activation is checked. This method determines that the arc voltage is stable by using the Sample Counts and Sample Threshold parameters.

I am trying to generate a pop up window telling if the nozzle needs change depending on the distance traveled.

forum.linuxcnc.org/10-advanced-configura...to-example-mesa-7i77