ISO 16484-5:2003, Building automation and control systems - Part 5: Data communication protocol

ISO 16484-5:2003 defines data communication services and protocols for computer equipment used for monitoring and control of heating, ventilation, air-conditioning and refrigeration and other building systems. It defines, in addition, an abstract, object-oriented representation of information communicated between such equipment, thereby facilitating the application and use of digital control technology in buildings.