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DIN EN 61158-6-24

Industrial communication networks - Fieldbus specifications - Part 6-24: Application layer protocol specification - Type-24 Elements (IEC 61158-6-24:2014); English version EN 61158-6-24:2014, only on CD-ROM

active, Most Current
Organization: DIN
Publication Date: 1 September 2015
Status: active
Page Count: 130
ICS Code (Microprocessor systems): 35.160
ICS Code (Application layer): 35.100.70
scope:

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 24 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 defines in an abstract way the externally visible behavior provided by the Type 24 fieldbus application layer in terms of

a) the abstract syntax defining the application layer protocol data units conveyed between communicating application entities,

b) the transfer syntax defining the application layer protocol data units conveyed between communicating application entities,

c) the application context state machines defining the application service behavior visibly between communicating application entities, and

d) the application relationship state machines defining the communication behavior visibly between communicating application entities.

The purpose of this standard is to define the protocol provided to

a) define the representation-on-wire of the service primitives defined in IEC 61158-5-24, and

b) define the externally visible behavior associated with their transfer.

This standard specifies the protocol of the Type 24 fieldbus application layer, in conformance with the OSI Basic Reference Model (ISO/IEC 7498-1) and the OSI Application Layer Structure (ISO/IEC 9545).

Document History

DIN EN 61158-6-24
September 1, 2015
Industrial communication networks - Fieldbus specifications - Part 6-24: Application layer protocol specification - Type-24 Elements (IEC 61158-6-24:2014); English version EN 61158-6-24:2014, only on CD-ROM
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...

References

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