BACnet is a building automation networking protocol. ASHRAE designed BACnet to be the standard in building automation. Its purpose was to increase communciation reliability between the different system components. It is used in all Building Management System (BMS) automation applications ranging from heating controls (HVAC) to fire alarming, and lighting.
BACnet gives all BMS systems the capability of interacting with the Heat-Timer controls.
Types of BACnet Communication