Open Data Communication in Building Automation, Controls and Building Management. Control Network Protocol -- Twisted Pair Communication
This European Standard specifies the control network protocol (CNP) free-topology twisted-pair channel for networked control systems in commercial Building Automation, Controls and Building Management and is used in conjunction with ENΒ 14908-1:2014.
The channel supports communication at 78,125Β kbit/s between multiple nodes, each of which consists of:
This European Standard covers the complete physical layer (OSI Layer 1), including the interface to the Media Access Control (MAC) sub-layer and the interface to the medium.
Parameters that are controlled by other layers but control the operation of the physical layer are also specified.
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