BS EN 61158-5-20:2008 - Industrial communication networks. Fieldbus specifications. Application layer service definition. Type 20 elements

BS EN 61158-5-20:2008

Industrial communication networks. Fieldbus specifications. Application layer service definition. Type 20 elements

Status : Withdrawn, Revised   Published : January 2009 Replaced By : BS EN 61158-5-20:2012

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IEC 61158-5-20:2007 provides user programs with a means to access the fieldbus communication environment. In this respect, the FAL can be viewed as a "window between corresponding application programs." This standard provides common elements for basic time-critical and non-time-critical messaging communications between application programs in an automation environment and material specific to Type 20 fieldbus. The term "time-critical" is used to represent the presence of a time-window, within which one or more specified actions are required to be completed with some defined level of certainty. Failure to complete specified actions within the time window risks failure of the applications requesting the actions, with attendant risk to equipment, plant and possibly human life. It includes the following significant changes with respect to the previous edition deletion of the former Type 6 fieldbus, and the placeholder for a Type 5 fieldbus data-link layer, for lack of market relevance; addition of new types of fieldbuses; division of this part into multiple parts numbered.




Standard NumberBS EN 61158-5-20:2008
TitleIndustrial communication networks. Fieldbus specifications. Application layer service definition. Type 20 elements
StatusWithdrawn, Revised
Publication Date31 January 2009
Withdrawn Date30 June 2012
Normative References(Required to achieve compliance to this standard)ISO/IEC 9545, ISO/IEC 10731, ISO/IEC 8824, ISO/IEC 8859-1, IEC 61784, IEC/TR 61158-1:2007, IEC 61158, ISO/IEC 8859, ISO/IEC 8822, ISO/IEC 7498-1, EN ISO/IEC 7498-1:1995
Informative References(Provided for Information)ISO/IEC 7498-3, ISO/IEC 8802-3, IEC 61784-2, IEC 61158-6-20, IEC 61784-1
Replaced ByBS EN 61158-5-20:2012
ReplacesBS EN 61158-5:2004
International RelationshipsEN 61078:2006,EN 61158-5-20:2008,EN 61158-5-20:2012,IEC 61158-5-20:2007
DescriptorsProcess control, Open systems interconnection, Bus networks, Data transmission, Application layer (OSI), Automatic control systems, Industrial, Communication procedures, Interfaces (data processing), Communication networks, Computer networks, Fieldbus
ICS25.040.40
35.100.70
Title in FrenchRéseaux de communication industriels. Spécifications des bus de terrain. Définition des services des couches d'application. Eléments de type 20
Title in GermanIndustrielle Kommunikationsnetze. Feldbusse. Dienstfestlegungen des Application Layer (Anwendungsschicht). Typ 20-Elemente
CommitteeGEL/65/3
ISBN978 0 580 61605 1
PublisherBSI
FormatA4
DeliveryNo
Pages50
File Size633 KB
Price£240.00


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