Schneider Electric KNX. The KNX DALI Gateway connects the KNX bus with two DALI outputs. The gateway is a DALI control device of category I with an integrated DALI power supply for the electronic ballasts. Up to 64 electronic ballasts can be switched and dimmed per DALI output, and controlled via 16 scenes. Additionally, various color commands, such as white tone control, RGB, XY, and HSV, can be interpreted by KNX switches and used to control DALI DT8 luminaires accordingly.