Schneider Electric KNX. The KNX DALI gateway connects the KNX bus with 1 DALI output. The gateway is a category I DALI control device with integrated DALI power supply for the electronic ballasts. Up to 64 electronic ballasts can be switched and dimmed in 16 groups and controlled via 16 scenes. In addition, various color commands (e.g. white tone control, RGB, XY and HSV) can be interpreted, e.g. by KNX buttons, and DALI DT8 lights can be controlled accordingly.