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ILNAS-EN 14908-2:2014 Edition 04/2014
Open Data Communication in Building Automation, Controls and Building Management - Control Network Protocol - Part 2: Twisted Pair Communication
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Abstract

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 EN 14908-1:2014. The channel supports communication at 78,125 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.

Status

Standard - Active

Origin

Technical Committee :
CEN/TC 247 : Building Automation, Controls and Building Management

Implementation

start of the vote on the project      date of ratification (dor)    12/04/2013
end of the vote on the project      date of anouncement (doa)    31/07/2014
start of the vote on the final project    11/10/2012   date of publication (dop)    31/10/2014
end of the vote on the final project    11/03/2013   date of withdrawal (dow)    31/10/2014


Publication Official Journal
of the Grand-Duchy of Luxembourg
07/11/2014
Reference Mémorial A N° 206

Relations

Relations to older standards
ILNAS-EN 14908-2:2005

International Classification for Standards (ICS codes) :

35.240.99 : IT applications in other fields
91.140.01 : Installations in buildings in general
97.120 : Automatic controls for household use

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