说明：  BACnet是用于智能建筑的通信协议. BACnet针对智能建筑及控制系统的应用所设计的通信，可用在暖通空调系统（HVAC，包括暖气、通风、空气调节）也可以用在照明控制、门禁系统、火警侦测系统及其相关的设备
(BACnet is a communication protocol for intelligent buildings Application of BACnet communication and control system for intelligent building design, can be used in HVAC systems (HVAC, including heating, ventilation, air conditioning) can also be used in lighting control, access control system, fire alarm system and related equipment)