Open Data Communication in Building Automation, Controls and Building Management. Control Network Protocol -- Protocol Stack
This European Standard applies to a communication protocol for networked control systems in commercial Building Automation, Controls and Building Management.
The protocol provides peer-to-peer communication for networked control and is suitable for implementing both peer-to-peer and master-slave control strategies.
This specification describes services in layers 2 to 7.
In the layer 2 (data link layer) specification, it also describes the MAC sub-layer interface to the physical layer.
The physical layer provides a choice of transmission media. The interface described in this specification supports multiple transmission media at the physical layer.
In the layer 7 specification, it includes a description of the types of messages used by applications to exchange application and network management data.
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