EN 50090 is a European standard for ''Home and Building Electronic Systems'' (HBES)

open Open or OPEN may refer to: Music * Open (band), Australian pop/rock band * The Open (band), English indie rock band * ''Open'' (Blues Image album), 1969 * ''Open'' (Gotthard album), 1999 * ''Open'' (Cowboy Junkies album), 2001 * ''Open'' (YF ...

communications, issued by CENELEC. It covers any combination of electronic devices linked via a digital transmission network to provide automated, decentralised and distributed process control for domestic and commercial and building applications; for example the control of lighting, heating, food preparation, washing, energy management, water, fire alarms, blinds, security, etc.

Part 1: Standardization structure

* EN 50090-1:2011

Part 2: System overview

* EN 50090-2-1:1996 : Architecture - ''withdrawn and replaced by EN 50090-1:2011'' *EN 50090-2-2:1996 & A2:2007 : General technical requirements (concerns cabling and topology, electrical and functional safety, environmental conditions and behavior in case of failures as well as specific installation rules) - ''partially replaced by EN IEC 63044-3:2018 Home and Building Electronic Systems (HBES) and Building Automation and Control Systems (BACS). Electrical safety requirements, EN 50491-5-2:2010 Environmental conditions, EN 50491-5-3:2010 and EN 50491-5-1:2010 EMC requirements'' * EN 50090-2-3:2005 : General

functional safety Functional safety is the part of the overall safety of a system or piece of equipment that depends on automatic protection operating correctly in response to its inputs or failure in a predictable manner (fail-safe). The automatic protection system ...

requirements - ''withdrawn and replaced by EN 50491-4-1:2012''

Part 3: Aspects of application

* EN 50090-3-1:1994 : Introduction to the application structure * EN 50090-3-2:2004 : User process for HBES Class 1,

twisted pair Twisted pair cabling is a type of wiring used for communications in which two conductors of a single circuit are twisted together for the purposes of improving electromagnetic compatibility. Compared to a single conductor or an untwisted ba ...

(

asynchronous Asynchrony is the state of not being in synchronization. Asynchrony or asynchronous may refer to: Electronics and computing * Asynchrony (computer programming), the occurrence of events independent of the main program flow, and ways to deal with ...

character-oriented data transfer in a

half duplex A duplex communication system is a point-to-point system composed of two or more connected parties or devices that can communicate with one another in both directions. Duplex systems are employed in many communications networks, either to allow ...

bi-directional communication mode, using a specifically unbalanced/unsymmetrical (Type 0) or balanced/symmetrical (Type 1)

baseband In telecommunications and signal processing, baseband is the range of frequencies occupied by a signal that has not been modulated to higher frequencies. Baseband signals typically originate from transducers, converting some other variable into a ...

signal coding with

collision avoidance In transportation, collision avoidance is the maintenance of systems and practices designed to prevent vehicles (such as aircraft, motor vehicles, ships, cranes and trains) from colliding with each other. Examples include: * Airborne collision avo ...

under SELV conditions) * EN 50090-3-3:2009 : Interworking model and common data types (so that different manufacturers' products send and receive datagrams and are able to properly understand and react on them without the need for translators or gateways as well as common configuration tools, training, etc.) *EN 50090-3-4:2017: Secure application layer, secure service, secure configuration and security resources (based on ISO/IEC 24767-2 Home Network Secure Communication Protocol for Middleware - important for anti-intrusion security)

Part 4: Media independent layers

* EN 50090-4-1:2004 :

Application layer An application layer is an abstraction layer that specifies the shared communications protocols and Interface (computing), interface methods used by Host (network), hosts in a communications network. An ''application layer'' abstraction is speci ...

for HBES Class 1 (specifies services that can be used for both management and run-time communication) * EN 50090-4-2:2004 :

Transport layer In computer networking, the transport layer is a conceptual division of methods in the layered architecture of protocols in the network stack in the Internet protocol suite and the OSI model. The protocols of this layer provide end-to-end ...

network layer In the seven-layer OSI model of computer networking, the network layer is layer 3. The network layer is responsible for packet forwarding including routing through intermediate routers. Functions The network layer provides the means of transfe ...

and general parts of

data link layer The data link layer, or layer 2, is the second layer of the seven-layer OSI model of computer networking. This layer is the protocol layer that transfers data between nodes on a network segment across the physical layer. The data link layer p ...

for HBES Class 1 (provides the communication stack for the data link layer, the network layer and the transport layer) *EN 50090-4-3:2015 : Communication over IP

Part 5: Media and media dependent layers

*EN 50090-5-1:2005 : Power line for HBES Class 1 (defines the medium-specific physical and data link layer of power line Class 1 in two variations, PL110 and PL132) * EN 50090-5-2:2004 : Network based on HBES Class1 (defines the medium-specific physical and data link layer for twisted pair in its two variations, TP0 and TP1) *EN 50090-5-3 2006 : Radio frequency (defines requirements for the RF physical and data link layer)

Part 6: Interfaces

*EN 50090-6-1:2017 : Webservice interface (defines a standardized web service-based interface with other IT systems via a gateway device)

Part 7: System Management

*EN 50090-7-1:2004 :

Management Management (or managing) is the administration of an organization, whether it is a business, a nonprofit organization, or a government body. It is the art and science of managing resources of the business. Management includes the activities o ...

procedures (capturing the dynamics of managing distributed resources on the network in terms of a sequence of telegrams, exchanged between two partners: the management client and the management server)

Part 8: Conformity assessment

* EN 50090-8:2000 :

Conformity assessment Conformance testing — an element of conformity assessment, and also known as compliance testing, or type testing — is testing or other activities that determine whether a process, product, or service complies with the requirements of a specific ...

of products

Part 9: Installation requirements

* EN 50090-9-1:2004 : Generic cabling for HBES Class 1 (provides cabling planning and installation rules taking into account the layout of the cable support, cables and connectors, and commissioning)

References

External links

Site map for the CENELEC website
{{List of EN standards, state=autocollapse #50090 Electronics standards