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BS EN 61158-6-4:2014

Superseded
Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

Industrial communication networks. Fieldbus specifications Application layer protocol specification. Type 4 elements
Available format(s)

Hardcopy , PDF

Superseded date

27-09-2019

Language(s)

English

Published date

30-11-2014

1.1 General The fieldbus application layer (FAL) 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 4 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. This standard specifies interactions between remote applications and defines the externally visible behavior provided by the Type 4 fieldbus application layer in terms of the formal abstract syntax defining the application layer protocol data units conveyed between communicating application entities; the transfer syntax defining encoding rules that are applied to the application layer protocol data units; the application context state machine defining the application service behavior visible between communicating application entities; the application relationship state machines defining the communication behavior visible between communicating application entities. The purpose of this standard is to define the protocol provided to define the wire-representation of the service primitives defined in IEC 61158-5-4, and define the externally visible behavior associated with their transfer. This standard specifies the protocol of the Type 4 fieldbus application layer, in conformance with the OSI Basic Reference Model (ISO/IEC 7498-1) and the OSI application layer structure (ISO/IEC 9545). 1.2 Specifications The principal objective of this standard is to specify the syntax and behavior of the application layer protocol that conveys the application layer services defined in IEC 61158-5-4. A secondary objective is to provide migration paths from previously-existing industrial communications protocols. It is this latter objective which gives rise to the diversity of protocols standardized in IEC 61158-6 series. 1.3 Conformance This standard do not specify individual implementations or products, nor do they constrain the implementations of application layer entities within industrial automation systems. Conformance is achieved through implementation of this application layer protocol specification.

Committee
GEL/65/3
DevelopmentNote
Together with BS EN 61158-6-2, BS EN 61158-6-3, BS EN 61158-6-5, BS EN 61158-6-7, BS EN 61158-6-8, BS EN 61158-6-9, BS EN 61158-6-10, BS EN 61158-6-15, BS EN 61158-6-11, BS EN 61158-6-12, BS EN 61158-6-13, BS EN 61158-6-14, BS EN 61158-6-17, BS EN 61158-6-18, BS EN 61158-6-19, BS EN 61158-6-20 and BS EN 61158-6-16 supersedes BS EN 61158-6. (08/2008)
DocumentType
Standard
Pages
42
PublisherName
British Standards Institution
Status
Superseded
SupersededBy
Supersedes

Standards Relationship
IEC 61158-6-4:2014 Identical
EN 61158-6-4:2014 Identical
IEC 60684-3-116:2010 Identical
EN 60684-3-116:2011 Identical

EN 61158-1:2014 Industrial communication networks - Fieldbus specifications - Part 1: Overview and guidance for the IEC 61158 and IEC 61784 series
EN 61158-5-4:2014 Industrial communication networks - Fieldbus specifications - Part 5-4: Application layer service definition - Type 4 elements
IEC 61784-1:2014 Industrial communication networks - Profiles - Part 1: Fieldbus profiles
ISO/IEC 7498-1:1994 Information technology Open Systems Interconnection Basic Reference Model: The Basic Model
EN 61158-6:2004 Digital data communication for measurement and control - Fieldbus for use in industrial control systems - Part 6: Application layer protocol specification
ISO/IEC 10731:1994 Information technology Open Systems Interconnection Basic Reference Model Conventions for the definition of OSI services
ISO/IEC 9545:1994 Information technology Open Systems Interconnection Application Layer structure
IEC 61158-3-4:2014 Industrial communication networks - Fieldbus specifications - Part 3-4: Data-link layer service definition - Type 4 elements
ISO/IEC 8824-1:2015 Information technology Abstract Syntax Notation One (ASN.1): Specification of basic notation Part 1:
IEC 61158-6:2003 Digital data communications for measurement and control - Fieldbus for use in industrial control systems - Part 6: Application layer protocol specification
EN 61784-2:2014 Industrial communication networks - Profiles - Part 2: Additional fieldbus profiles for real-time networks based on ISO/IEC 8802-3
ISO/IEC 8822:1994 Information technology Open Systems Interconnection Presentation service definition
EN 61158-3-4:2014 Industrial communication networks - Fieldbus specifications - Part 3-4: Data-link layer service definition - Type 4 elements
IEC 61158-5-4:2014 Industrial communication networks - Fieldbus specifications - Part 5-4: Application layer service definition - Type 4 elements
EN 61784-1:2014 Industrial communication networks - Profiles - Part 1: Fieldbus profiles
EN 61158-4-4:2014 Industrial communication networks - Fieldbus specifications - Part 4-4: Data-link layer protocol specification - Type 4 elements
IEC 61784-2:2014 Industrial communication networks - Profiles - Part 2: Additional fieldbus profiles for real-time networks based on ISO/IEC 8802-3

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