Abstract:Through the use of intelligent control into commercial lighting system, and by intelligent control to system, that can get a variety of lighting effect , achieve on-demand lighting, improve the energy efficiency, reduce power consumption, realize the green and environmental operation of the system. For supermarkets and other large commercial lighting requirements, a set of business intelligent lighting system based on extended DALI bus has been designed. The system can perform a large network, realize the management of centralized management and remote monitoring. System can be run automatically according to the working schedule or time schedule, also has many kinds of control mode such as partition, grouping, single lamp, scene and so on. With the flexible control, this system can achieve good lighting effect and energy-saving requirements, so that can meet the demand of a variety of commercial lighting.