BAS (Building Automation System) is the full name of building automation system, referred to as building control system, also called building equipment automation system. It is an important part of the weak current system of intelligent building, including the management and coordination of air conditioning system, water supply and drainage system, lighting system and power distribution system. It will affect air conditioning system, fresh air unit, refrigeration unit, cooling tower, fan coil unit, boiler, heat exchanger, water tank pump, etc. In the whole office building.

Realizing the automation of equipment management system plays the role of centralized management and decentralized control, improving the quality of system operation, improving management level, reducing the labor intensity of operation management and saving energy consumption.