BS EN 14908-2:2014
Current
The latest, up-to-date edition.
Open Data Communication in Building Automation, Controls and Building Management. Control Network Protocol Twisted Pair Communication
Hardcopy , PDF
English
31-05-2014
Foreword
Introduction
1 Scope
2 Normative references
3 Network overview
4 System specifications
5 Link power
6 Node specifications
7 Communication parameters
Annex A (informative) - Environmental specifications
Bibliography
Defines the control network protocol (CNP) free-topology twisted-pair channel for networked control systems in commercial Building Automation, Controls and Building Management.
| Committee |
RHE/16
|
| DevelopmentNote |
Together with BS EN 14908-1 supersedes DD ENV 13154-2. (11/2005) Supersedes 04/30111643 DC. (12/2005) Supersedes 12/30265786 DC. (05/2014)
|
| DocumentType |
Standard
|
| Pages |
24
|
| PublisherName |
British Standards Institution
|
| Status |
Current
|
| Supersedes |
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 EN14908-1:2014. The channel supports communication at 78,125kbit/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.
| Standards | Relationship |
| I.S. EN 14908-2:2014 | Identical |
| EN 14908-2:2014 | Identical |
| DIN EN 14908-2:2014-08 | Identical |
| NBN EN 14908-2 : 2014 | Identical |
| NF EN 14908-2 : 2014 | Identical |
| NEN EN 14908-2 : 2014 | Identical |
| NS EN 14908-2 : 2014 | Identical |
| UNE-EN 14908-2:2006 | Identical |
| EN 14908-1:2014 | Open Data Communication in Building Automation, Controls and Building Management - Control Network Protocol - Part 1: Protocol Stack |
| IEC 61000-4-4:2012 RLV | Electromagnetic compatibility (EMC) - Part 4-4: Testing and measurement techniques - Electrical fast transient/burst immunity test |
| CISPR 22:2008 | Information technology equipment - Radio disturbance characteristics - Limits and methods of measurement |
| EN 50173-1:2011 | Information technology - Generic cabling systems - Part 1: General requirements |
| EN 55022:2010/AC:2011 | INFORMATION TECHNOLOGY EQUIPMENT - RADIO DISTURBANCE CHARACTERISTICS - LIMITS AND METHODS OF MEASUREMENT (CISPR 22:2008) |
| IEC 61000-4-2:2008 | Electromagnetic compatibility (EMC) - Part 4-2: Testing and measurement techniques - Electrostatic discharge immunity test |
| IEC 61000-4-3:2006+AMD1:2007+AMD2:2010 CSV | Electromagnetic compatibility (EMC) - Part 4-3: Testing and measurement techniques - Radiated, radio-frequency, electromagnetic field immunity test |
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