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When you say it like that it seems perfectly logical ,
Still have the old cables for the two other axes so would need to have a look at them, thought I could find any useful information in the old drawings but came up blank.

Could the issue be bad connection to ground?
I did not check the resistance but pinged it direct to the chassis with a DMM and got connection, but did not look for how large resistance i have.

Hello together,
I am trying to prepare my first LinuxCNC installation. I took the latest RPi 5 Image from LinuxCNC and copied it on an SD-card.
So far everything worked fine. LinuxCNC starts and a connection via SSH is working.
For the Raspberry Pi I would like to use a case with an additional ethernet port from Waveshare.

According to their FAQ ( Waveshare FAQ ) I enabled PCIe, but there is still no extra ethernet port listed in ifconfig.

To see if the hardware is working I took a stock image of Linux Bookworm and did the same there. After reboot I can see ETH1 listed in ifconfig.

Does anyone have an idea how to get this working?

Best regards
Benjamin

Do you have the original cables?
Find something similar to those.

Hello I have come as far in my retrofitting that it is time to begin with the control tuning.

I have begun to tune x and y axis but the x axis have some vibrations in it and this I could not really tune away.
So i began trouble shooting a little bit and pulled out the motor cable from the cable chain within the machine to just see if it could be a emc issue, witch seems to help, since i have changed out this cable. The cable shield is connected to the housing of the motor itself in the connector (M26).

The cable I used was an igus chainflex cf896.4.15.04 with approx. 60% shield coverage, is it safe to think that this was not enough?

The motor cable and encoder cables are routed in the same channel all the way from the cabinet.

What would be suitable shielding if i need to change the cable again?

Hi, Hakan!
Good points to check. Will do tomorrow
Also i first of all tryed to start from PreOP from started linuxcnc, but slaves command show me an error state..so i try to do switch To OP state manually.
So i build xml from xml odot file from their site, and also from ethercat sdos -p0 command.
Also thos evening im asked for deep seek about this problem, and also received some recommendations)) which also will check tomorrow and will write here about it.

The VFD does have a 0-5V frequency signal output. Wondering if there's a way I could use that for the spindle-at-speed after a spindle stop. Perhaps by simply comparing it with a threshold