This is for the Kuka KRC4 interface without a Beckhoff 1100.
Hello,
Just to explain what the X55 is doing, in case that is useful to anyone:
One the one hand two pins provide 24V power from the cabinet, and two other pins are connected to the internal Beckhoff EK1100.
So when you start the robot, you either have to bridge the pins (+ from inside to + going back inside, same for 0V) to provide power to the EK1100, or you attach a cable with your own 24V power supply.
If you don't do it, the EK1100 will not have power and you will get an ECAT / X44 error by the controller as it cannot find configured hardware.
Thanks for sharing the photos, Shelby!
Best,
Johannes