EN 61158-4-20:2014
(Main)Industrial communication networks - Fieldbus specifications - Part 4-20: Data-link layer protocol specification - Type 20 elements
Industrial communication networks - Fieldbus specifications - Part 4-20: Data-link layer protocol specification - Type 20 elements
IEC 61158-4-20:2014 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 and 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.
Industrielle Kommunikationsnetze - Feldbusse - Teil 4-20: Protokollspezifikation des Data Link Layer (Sicherungsschicht) - Typ 20-Elemente
Réseaux de communication industriels - Spécifications des bus de terrain - Partie 4-20: Spécification du protocole de la couche liaison de données - Éléments de type 20
L'IEC 61158-4-20:2014 spécifie les procédures pour le transfert en temps utile de données et d'informations de commande d'une entité d'utilisateur de liaison de données vers une entité d'utilisateur homologue, et parmi les entités de liaison de données formant le fournisseur de service de liaison de données distribué et la structure des DLPDU du bus de terrain utilisée pour le transfert de données et d'informations de commande par le protocole de la présente norme, et leur représentation comme unités de données d'interface physique.
Industrijska komunikacijska omrežja - Specifikacije za procesna vodila - 4-20. del: Specifikacija protokola na ravni podatkovnih povezav - Elementi tipa 20 (IEC 61158-4-20:2014)
IEC 61158-4-20:2014 določa postopke za pravočasni prenos podatkov in informacij o nadzoru od enega uporabniškega osebka podatkovne povezave do uporabniškega osebka vrstnika in med osebki podatkovne povezave, ki tvorijo ponudnika storitev porazdeljenih podatkovnih povezav, ter strukturo DLPDU-jev za procesna vodila, ki se uporabljajo za prenos podatkov in informacij o nadzoru s protokolom tega standarda, in njihovo zastopanost kot fizični vmesnik podatkovnih enot.
General Information
Relations
Standards Content (Sample)
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Industrijska komunikacijska omrežja - Specifikacije za procesna vodila - 4-20. del:
Specifikacija protokola na ravni podatkovnih povezav - Elementi tipa 20 (IEC 61158-4-20:2014)Industrielle Kommunikationsnetze - Feldbusse - Teil 4-20: Protokollspezifikation des Data Link Layer (Sicherungsschicht) - Typ 20-Elemente
(IEC 61158-4-20:2014)Réseaux de communication industriels - Spécifications des bus de terrain - Partie 4-20: Spécification du protocole de la couche liaison de données - Éléments de type 20
(CEI 61158-4-20:2014)Industrial communication networks - Fieldbus specifications - Part 4-20: Data-link layer protocol specification - Type 20 elements
(IEC 61158-4-20:2014)35.110OmreževanjeNetworking35.100.20Podatkovni povezovalni slojData link layer25.040.40Merjenje in krmiljenje industrijskih postopkovIndustrial process measurement and controlICS:Ta slovenski standard je istoveten z:EN 61158-4-20:2014SIST EN 61158-4-20:2015en,fr,de01-marec-2015SIST EN 61158-4-20:2015SLOVENSKI
STANDARD
EUROPEAN STANDARD NORME EUROPÉENNE EUROPÄISCHE NORM
EN 61158-4-20
October 2014 ICS 25.040.40; 35.100.20; 35.110
English Version
Industrial communication networks - Fieldbus specifications - Part 4-20: Data-link layer protocol specification - Type 20 elements (IEC 61158-4-20:2014)
Réseaux de communication industriels - Spécifications des bus de terrain - Partie 4-20: Spécification du protocole de la couche liaison de données - Éléments de type 20 (CEI 61158-4-20:2014)
Industrielle Kommunikationsnetze - Feldbusse - Teil 4-20: Protokollspezifikation des Data Link Layer (Sicherungsschicht) - Typ 20-Elemente (IEC 61158-4-20:2014) This European Standard was approved by CENELEC on 2014-09-19. CENELEC members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CENELEC member.
This European Standard exists in three official versions (English, French, German). A version in any other language made by translation under the responsibility of a CENELEC member into its own language and notified to the CEN-CENELEC Management Centre has the same status as the official versions. CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Croatia, Cyprus, the Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. European Committee for Electrotechnical Standardization
Comité Européen de Normalisation Electrotechnique Europäisches Komitee für Elektrotechnische Normung CEN-CENELEC Management Centre: Avenue Marnix 17,
B-1000 Brussels © 2014 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members.
Ref. No. EN 61158-4-20:2014 E SIST EN 61158-4-20:2015
Foreword The text of document 65C/762/FDIS, future edition 1 of IEC 61158-4-20, prepared by SC 65C “Industrial networks” of IEC/TC 65 “Industrial-process measurement, control and automation" was submitted to the IEC-CENELEC parallel vote and approved by CENELEC as EN 61158-4-20:2014.
The following dates are fixed: • latest date by which the document has to be implemented at national level by publication of an identical national standard or by endorsement (dop) 2015-06-19 • latest date by which the national standards conflicting with the document have to be withdrawn (dow) 2017-09-19
Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CENELEC [and/or CEN] shall not be held responsible for identifying any or all such patent rights.
This document has been prepared under a mandate given to CENELEC by the European Commission and the European Free Trade Association. Endorsement notice The text of the International Standard IEC 61158-4-20:2014 was approved by CENELEC as a European Standard without any modification. In the official version, for bibliography, the following notes have to be added for the standards indicated: IEC 61158-1:2014 NOTE Harmonised as EN 61158-1:2014 IEC 61158-3-20:2014 NOTE Harmonised as EN 61158-3-20:2014 IEC 61158-5-20:2014
NOTE Harmonised as EN 61158-5-20:2014 IEC 61784-1 NOTE Harmonised as EN 61784-1 IEC 61784-2 NOTE Harmonised as EN 61784-2 IEC 62591:2010 NOTE Harmonised as EN 62591:2010 SIST EN 61158-4-20:2015
- 3 - EN 61158-4-20:2014
Annex ZA (normative)
Normative references to international publications with their corresponding European publications
The following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
NOTE 1 When an International Publication has been modified by common modifications, indicated by (mod), the relevant EN/HD applies.
NOTE 2 Up-to-date information on the latest versions of the European Standards listed in this annex is available here: www.cenelec.eu.
Publication Year Title EN/HD Year IEC 61158-2 2014
Industrial communication networks - Fieldbus specifications
Part 2: Physical layer specification and service definition EN 61158-2 2014
IEC 61158-6-20 2014
Industrial communication networks - Fieldbus specifications
Part 6-20: Application layer protocol specification - Type 20 elements EN 61158-6-20 2014 ISO/IEC 7498-1 -
Information technology - Open Systems Interconnection - Basic reference model: The basic model - -
ISO/IEC 7498-3 -
Information technology - Open Systems Interconnection - Basic reference model: Naming and addressing - -
ISO/IEC 10731 -
Information technology - Open Systems Interconnection - Basic Reference Model - Conventions for the definition of OSI services - -
IEC 61158-4-20 Edition 1.0 2014-08 INTERNATIONAL STANDARD NORME INTERNATIONALE Industrial communication networks – Fieldbus specifications –
Part 4-20: Data-link layer protocol specification – Type 20 elements
Réseaux de communication industriels – Spécifications des bus de terrain –
Partie 4-20: Spécification du protocole de la couche liaison de données –
Éléments de type 20
INTERNATIONAL ELECTROTECHNICAL COMMISSION COMMISSION ELECTROTECHNIQUE INTERNATIONALE X ICS 25.040.40; 35.100.20; 35.110 PRICE CODE CODE PRIX ISBN 978-2-8322-1728-3
– 2 – IEC 61158-4-20:2014 © IEC 2014 CONTENTS FOREWORD . 4 INTRODUCTION . 6 1 Scope . 7
General . 7 1.1 Specifications . 7 1.2 Procedures . 7 1.3 Applicability . 7 1.4 Conformance . 7 1.52 Normative references . 8 3 Terms, definitions, symbols and abbreviations . 8
Reference model terms and definitions . 8 3.1 Service convention terms and definitions . 9 3.2 Common terms and definitions . 10 3.3 Additional Type 20 definitions . 12 3.4 Common symbols and abbreviations . 18 3.5 Data units . 18 3.5.1 Miscellaneous . 18 3.5.2 Additional Type 20 symbols and abbreviations . 19 3.64 Data-link layer protocol specification . 20
Overview . 20 4.1 Parameters, timers and variables . 21 4.2 Parameters . 21 4.2.1 Timers . 22 4.2.2 Variables . 22 4.2.3 Logical link control . 23 4.3 General DLPDU structure . 23 4.3.1 DLPDU specific encoding and procedures . 26 4.3.2 Framing . 27 4.3.3 Error detection . 27 4.3.4 Slave response to communication error . 28 4.3.5 Medium access control . 30 4.4 Overview . 30 4.4.1 Master controlled medium access . 31 4.4.2 Burst mode controlled medium access . 32 4.4.3 Token passing summary . 32 4.4.4 XMIT machine . 33 4.4.5 RECV machine . 34 4.4.6 Slave MAC machine . 35 4.4.7 Master MAC machine . 38 4.4.8 DL-management-information . 41 4.5Bibliography . 42
Figure 1 – Relationships of DLSAPs, DLSAP-addresses and group DL-addresses . 11 Figure 2 – DLPDU Structure . 23 Figure 3 – Delimiter Structure . 23 Figure 4 – Construction of 1-octet address field . 24 SIST EN 61158-4-20:2015
IEC 61158-4-20:2014 © IEC 2014 – 3 – Figure 5 – Construction of 5-octet address field . 25 Figure 6 – APDU format . 25 Figure 7 – DLPDU framing . 27 Figure 8 – Two dimensional parity detection . 28 Figure 9 – Communication error response DLL payload . 29 Figure 10 – MAC state machines . 31 Figure 11 – Master controlled medium access . 31 Figure 12 – Burst mode controlled medium access . 32 Figure 13 – XMIT state machine . 33 Figure 14 – RECV state machine . 34 Figure 15 – Slave MAC state machine . 36 Figure 16 – Master MAC state machine . 38
Table 1 – Slave response to communication error . 29 Table 2 – Communication error code values . 29 Table 3 – Token passing . 32 Table 4 – XMIT state transitions . 33 Table 5 – RECV state transitions . 35 Table 6 – Slave MAC state transitions . 37 Table 7 – Master MAC state transitions.
...
Questions, Comments and Discussion
Ask us and Technical Secretary will try to provide an answer. You can facilitate discussion about the standard in here.