Abstract: A system for controlling electrical devices, particularly external lighting lamps, connected to a supply network, the system comprising at least one management and diagnostic centre with communication modules, fed by the supply network, and external lighting lamps, connected to the supply network, wherein the lamps contain controlling modules and communication modules, whilst exchange of data between management and diagnostic centre and individual lamps as well as between lamps themselves takes place in real time, within set communication cycles, wherein said data can be preserved in individual lamps, in an MCU MASTER main controlling unit of the lamp and transmitted to other lamps after closing the communication cycle with said at least one management and diagnostic centre, and wherein changes transmitted from said at least one management and diagnostic centre are carried out by said MCU MASTER main controlling unit of each lamp.

Abstract: Method of lighting intensity automatic adjustment and corresponding device, in which the light emitted by a light unit is adjusted according to the input signal from a passive infrared motion sensor and/or a dusk sensor. In one embodiment, starting from a stand-by condition in which the lamp unit is switched-off, the light from the lamp unit is smoothly brightened up to 100% of its maximum power in case of detection of a motion from the motion detector and in case that also a dusk condition is detected by the dusk sensor.