BS EN 61158-4-3:2014
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
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Industrial communication networks. Fieldbus specifications Data-link layer protocol specification. Type 3 elements
Hardcopy , PDF
English
30-11-2014
31-05-2022
| Committee |
GEL/65/3
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| DevelopmentNote |
Together with BS EN 61158-4-11, BS EN 61158-4-12, BS EN 61158-4-13, BS EN 61158-4-14, BS EN 61158-4-16, BS EN 61158-4-17, BS EN 61158-4-18, BS EN 61158-4-19, BS EN 61158-4-2, BS EN 61158-4-1, BS EN 61158-4-4, BS EN 61158-4-7 and BS EN 61158-4-8 supersedes BS EN 61158-4. (03/2009)
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| DocumentType |
Standard
|
| Pages |
174
|
| PublisherName |
British Standards Institution
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| Status |
Withdrawn
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| SupersededBy | |
| Supersedes |
1.1 General The data-link layer provides basic time-critical messaging communications between devices in an automation environment. This protocol provides communication opportunities to a pre-selected “master” subset of data-link entities in a cyclic asynchronous manner, sequentially to each of those data-link entities. Other data-link entities communicate only as permitted and delegated by those master data-link entities. For a given master, its communications with other data-link entities can be cyclic, or acyclic with prioritized access, or a combination of the two. This protocol provides a means of sharing the available communication resources in a fair manner. There are provisions for time synchronization and for isochronous operation. 1.2 Specifications This standard specifies procedures for the timely transfer of data and control information from one data-link user entity to a peer user entity, and among the data-link entities forming the distributed data-link service provider; the structure of the fieldbus DLPDUs used for the transfer of data and control information by the protocol of this standard, and their representation as physical interface data units. 1.3 Procedures The procedures are defined in terms of the interactions between peer DL-entities (DLEs) through the exchange of fieldbus DLPDUs; the interactions between a DL-service (DLS) provider and a DLS-user in the same system through the exchange of DLS primitives; the interactions between a DLS-provider and a Ph-service provider in the same system through the exchange of Ph-service primitives. 1.4 Applicability These procedures are applicable to instances of communication between systems which support time-critical communications services within the data-link layer of the OSI or fieldbus reference models, and which require the ability to interconnect in an open systems interconnection environment. Profiles provide a simple multi-attribute means of summarizing an implementation’s capabilities, and thus its applicability to various time-critical communications needs. 1.5 Conformance This standard also specifies conformance requirements for systems implementing these procedures. This standard does not contain tests to demonstrate compliance with such requirements.
| Standards | Relationship |
| EN 61508-3:2010 | Identical |
| IEC 61158-4-3:2014 | Identical |
| EN 61158-4-3:2014 | Identical |
| I.S. EN 61158-4-3:2014 | Equivalent |
| UNE-EN 61158-4-3:2014 | Equivalent |
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