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Thanks for your reply, Lcvette!The alarm comes at the motor, Lcnc does not even react on this, because my alarm loop does not work actually. I have to find out why, in the next steps. Yes, indeed, i have ballscrews and especially on Y, a C5 with double Nut. Yes, I know that paired bearings would be better, but i cannot afford them. The bearings are from NSK,and the dealer says I have to set a spacer in between (0.5mm) to set the backlash to exactly zero. Otherwise I would have a small amount of play within. So, I hope this information was ok. I know other bearings that are paired without backlash, but they are way more expensive. I took measurements today and found just 1/100mm backlash, measured at the end of the ballscrew. I found some more hundreds, measuring at high feeds, driven by my handwheel that makes stepping the axis, not smooth running, there were some more 2-3 hundreds, measured at the side part that holds the Bearing and the motor, I think it's a resonance of the whole system at that side. Maybe additionally triggered by the belt drive. Its a HTD15 mm belt, 2:1 reduction, same as at X axis. Belt tension is strong enough, I can move it just 5-6mm from above in the middle of the belt. Well, I dont have a feedback loop back to LCNC, the motor is a JMC 3.3 Nm Nema 24 CL Stepper with its own closed loop.
So, what FF do you mean, FF1 that is set to 1.0? Because somebody else said a tiny amount of maybe 0,003 should help too.  
 
 
(photo from whole machine is not accepted althoug it is under 1 MB)

Thanks a lot for thinking about my problem! 
Ahh just seeing your next posting - what exactly does seem too big for you!
 

I don't see an option anywhere in pnnconf to set pwmgens to offset mode. Is that something I would have to manually add to hal?

Also what are some tuning settings to use for the servos to get started?

Ive already tried it on 3 different ways now,

1. A youtube Video from Talla82 (looked awsome how easy it would be....)
2. with the Instructions from you (Forum) @rodw
3. ChatGPT whats kind of ... depressing and for sure wont work

I can hang you the current lcec.conf whitch is the setup for my EK1100 hopefully you can help me correct it

Is /etc/apt/sources.list broken?

hängt ab von means depends on
keine means none

unfortunatly i did do the sudo apt update already that would be to easy
just tried again and tried the build essentials afterwards it tells me it is already the newest version 12.9


should I do a reinstall with the english language? It seems od to me that this would depend on the language.

Added this to the link i posted here to better explain what can be used :Thank you for reminding me.
Danke schon.

The link i posted, explicitly mentions making the machine work without encoder feedback to LinuxCNC first, so enable the stepgen feedback in the hal file and omit the encoder feedback, test the machine, set the scaling correctly, and only after getting this done activate the encoder feedback and omit the stepgen feedback.
Closed loop stepers when loop is closed on the drives are viewed as normal open loop steppers from LinuxCNC.
So yes, it should work with your drives, just make sure they work properly in open loop mode to LinuxCNC.

Did you do
sudo apt update
before
sudo apt install build-essential
?

The GPIO pins/ parameters are not really useful except on the
7I95T's parallel expansion connector (P1)

raw inmux or inm inputs are unfiltered ( not debounced )

man hostmot2 for inmux details ( search for inmux )

Ah i see ok.
Pins of the FPGA Chip i asume.
So basicly this would be the name of one of the pins ( hm2_7i95.0.inmux.00.input-00  ....input-23)
is there something different to this pin (hm2_7i95.0.inmux.00.raw-input-00) ?


And those are basicly those that i can use as input or output
hm2_7i95.0.gpio.041.in
hm2_7i95.0.gpio.041.in_not (What does that mean)
hm2_7i95.0.gpio.041.out


Sorry for asking so many questions

Try


For me is says it can find libtool at 
 *** 2.5.4-4 500
        500 deb.debian.org/debian trixie/main amd64 Packages

But I'm on trixie so not identical.
 

Mesaflash shows only physical pins on the FPGA

The 7I95T uses multiplexing to reduce the number  of external connections,
so there are many more TB pins than FPGA pins. Also much of the I/O
is differential so have 2 TB pins per FPGA pin.

One example of this multiplexing is the isolated inputs. The 7I95T has
24 isolated inputs but these use only 6 FPGA pins to access.

Ok makes sense.
Could you explain to me why mesa flash is showing so little pins, because from what i can read i have the areas TB1-4 but i dont have the rest (TB5+6).
Do those usualy show or is that normal, may ii have made a mistake at some point?

I am not experienced with Linux in general, as I have literally NO experience with this system.

Also I am not very comfortable with electronics,
I have some problems with setting up my machine and controller.
And I have very limited time to attend those.

So I thought that if there is someone experienced close perhaps I could get some first hand help on some contract basis.

Cris.

ihavenofish wrote:

That link says modbus. also the price is more than 3 full ethercat ac servo kits.

But still neat.
 

You have to check the part number for ethercat (ECX=ethercat)