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Also do try just the add on card with

Yes,
yes,
yes,
...
no!

ATX PSU is OK for testing and running the machine, but will limit the speed.
X220 is the "no" up there, had 2 of those, absolutely not usable for LinuxCNC, but since you have it, get the ISO, burn to USB, boot the X220 from it and do some latency tests as follows
latency-histogram --nobase --sbinsize 1000 --show
Also had 2 of X240 (still have one) both were/are fine for running LinuxCNC.
If the latency turns bad, i can upload an image i use on all my production laptops and PC's with Mint 19.3 and LinuxCNC 2.8.4, but this needs to be installed to be able to test it.

Thanks for getting back to me. I feel like I have tried that but I will confirm later on today.

Also I apologise for the photo they were taken when I was starting to play with getting this going. They were not meant specifically for the forum post more just as a record that I could look up on my phone when I was editing the hal file so all I needed was the address.

Happy to provide further information and better photos. If anyone thinks it will help.

OK, so
Mesa 7i96s it is (should be worth it, since I can us that one for the big machine later)
3 of the TB6600
Leaves the PSU question. I think I have an old ATX PSU. Those deliver 2-4 lines of 12V and several 5V lines. Could that do for the small steppers?
And my Thinkpad x220.

I have some additions. When using the carousel component on some machines, a notification appears. It does not affect the work, the machine is working normally, it just needs to be closed constantly. Maybe someone knows a solution. In the photo is a lathe. LCNC 2.9.4

Looking good!

Hi Endian. 

The scurve planner uses :
libclothoid3d and libscurve
libclothoid3 depends on libceres.

the scurve planner is tpmod.so.
loaded by linuxcnc.

Do you only want to use libscurve to generate motion for servo motor?



 

I've been trying to install the Probe Basic lathe all afternoon without success.
I've followed all the steps just like I did with the mill.
Is there a specific configuration for installing the Probe Basic lathe?

Yeah, that's not a sine wave (more like a rectified sine wave)
This may be something wrong with how you are measuring this
differentially (scope setup). Measuring single ended as Hansu suggested
would eliminate this possibility.

Is this connected to the converter? According to Heidenhains docs
the 1V P-P signals need a 120 Ohm (across 1V+ and 1V-) termination


The fuzzyness is likely just noise.

I suspect a problem with the encoder if you don't get ~1V sine waves when properly terminated