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spumco wrote:

As far as wcomp is concerned, I thought the link would work.
 

The link worked. I was just commenting on how hard it is to find things.

I still have more replies coming. I appreciate all the effort you've taken to engage with me.

Thanks Chris, I will try with oss-cad-suite later, i have other issues that bothering me now .

I can't enable that onerror modifier.
It currently looks like this:
And this give me pin 68 on as soon as the power arrives to TN9. I can off/on this pin later through halshow rio.estop.bit. Togle ESTOP or ENABLE or exit LinuxCNC don't change state of this bit!

I noticed that if we close LinuxCNC while the spindle, flood or any other output is enabled, they stay on even LinuxCNC is off. I would like to implement some safety to machine. Easiest way is just to put relay which is on pin 69 in series with machine estop. When I exit linuxcnc or togle estop on LinuxCNC machine will off. How to implement that?

Yes, OFF/X/Y/Z/ is 'allowed'.  That's how mine are set up - I use the OFF selection to make sure I don't accidentally diddle the handwheel and mess something up.

As far as wcomp is concerned, I thought the link would work.

If not, the main LCNC page has a link to 'documents'.  That's the most recent user manual, and at the bottom of the page are links to HAL components.  Look under "Realtime components" and you should see wcomp.

Searching the forum for 'wcomp' should also work, though I'd suggest limiting it to 'search titles only' for a first pass.

spumco wrote:

So I stumbled across this video of the MX1500...

• • • • • 
          Have they already cracked the S-curve nut Grotius and friends have been agonizing over?
          How far has Pathpilot diverged from LCNC?
          Would it even be possible to merge some of the wizardry which appears to be happening in Pathpilot?
          
        •  

Short answer is, yes. It has jerk limiting in some form. 

The tp source is not available yet as far as I've been told.
I have also been told its pretty far deviated, so it will not be a simplistic task to add it to the main.

This is just 4th hand information though, and I know nothing about coding so take that for what it's worth

What current are they set to?
I have mine at 2A in a shop that gets to 55 degree C in the summer (around 0 right now) and had no issues with them, but i would venture a guess that the one faulting has the chip not laying flat on the cooler, so open it and check if the board/chip are flat and the thermal pad is in place.
Mind you, as a general prevention i did open all of them and also added thermal paste between the chip and pad and heatsink and pad.
All on closed enclosures with no fans.