BSI BS EN 14908-2:2014

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Open Data Communication in Building Automation, Controls and Building Management. Control Network Protocol -- Twisted Pair Communication

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BSI BS EN 14908-2:2014

Open Data Communication in Building Automation, Controls and Building Management. Control Network Protocol -- Twisted Pair Communication

PUBLISH DATE 2014
PAGES 24
BSI BS EN 14908-2:2014

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:

  • a transceiver,
  • a protocol processor,
  • an application processor,
  • a power supply, and
  • application electronics.

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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