If you find a well-structured one, look for these 5 chapters:
This means a sensor from manufacturer A can communicate perfectly with an actuator from manufacturer B. It is the "USB" of building automation—a universal language spoken by over 400 manufacturers worldwide. knx basic course pdf
Why can you only have 64 devices per line? Why do you need a Line Coupler? Your PDF should explain the logic of segmentation to avoid telegrams colliding (collision avoidance using CSMA/CA). If you find a well-structured one, look for
Covers the hardware architecture of sensors and actuators, including the physical Bus Coupling Unit (BCU). If you find a well-structured one