EN 62439-7:2012

Industrial communication networks - High availability automation networks - Part 7: Ring-based Redundancy Protocol (RRP)

IEC 62439-7:2011 specifies a redundancy protocol that is based on a ring topology, in which the redundancy protocol is executed at the end nodes, as opposed to being built into the switches. Each node detects link failure and link establishment using media-sensing technologies, and shares the link information with the other nodes, to guarantee fast connectivity recovery times. The nodes have equal RRP network management functions. This publication is to be read in conjunction with IEC 62439-1:2010.

Industrielle Kommunikationsnetze - Hochverfügbare Automatisierungsnetze - Teil 7: Protokoll für ringbasierte Redundanz (RRP)

Réseaux de communication industriels - Réseau de haute disponibilité pour l'automation - Partie 7: Protocole de redondance pour réseau en anneau (RRP)

La CEI 62439-7:2011 établit les spécifications d'un protocole de redondance basé sur une topologie en anneau, au sein de laquelle il est exécuté aux noeuds d'extrémité, et non pas intégré aux commutateurs. Chaque n ud détecte la défaillance ou l'établissement d'une liaison à l'aide de technologies de détection de supports. Il partage ensuite les informations relatives à la liaison avec les autres noeuds, et ce, dans le but de garantir une reprise rapide de la connectivité. Les noeuds disposent de fonctions de gestion des réseaux à protocole de redondance pour réseau en anneau (RRP). Cette publication doit être lue conjointement avec la CEI 62439-1:2010.

Industrijska komunikacijska omrežja - Avtomatizacijska omrežja z veliko razpoložljivostjo - 7. del: Protokol za redundanco na obročni osnovi (IEC 62439-7:2011)

Skupina standardov IEC 62439 se uporablja za avtomatizacijska omrežja z veliko razpoložljivostjo, ki temeljijo na tehnologiji iz standarda ISO/IEC 8802-3:2000 (Ethernet). Ta del skupine standardov IEC 62439 določa redundantni protokol za obročno topologijo, pri čemer se redundantni protokol izvaja v končnih vozliščih in ni vgrajen v stikala. Vsako vozlišče s tehnologijami za zaznavanje medijev zazna prekinitev in vzpostavitev povezave, pri čemer informacije o povezavi posreduje drugim vozliščem, da se zagotovi hitra obnovitev povezljivosti. Vozlišča imajo enakovredne funkcije upravljanja omrežja redundantnega protokola za obročno izvedbo.

General Information

• Status: Published
• Publication Date: 15-Mar-2012
• Withdrawal Date: 19-Jan-2015
• ICS: 25.040 - Industrial automation systems
• ICS: 35.040 - Information coding
• Technical Committee: CLC/TC 65X - Industrial-process measurement, control and automation
• Drafting Committee: IEC/SC 65C - IEC_SC_65C
• Current Stage: 6060 - Document made available - Publishing
• Start Date: 16-Mar-2012
• Completion Date: 16-Mar-2012
• Ref Project: SIST EN 62439-7:2012 - Industrial communication networks - High availability automation networks - Part 7: Ring-based Redundancy Protocol (RRP) (IEC 62439-7:2011)

Relations

• Corrected By: EN 62439-7:2012/AC:2015 - Industrial communication networks - High availability automation networks - Part 7: Ring-based Redundancy Protocol (RRP)
• Effective Date: 25-Jan-2023

Standards Content (Sample)

SLOVENSKI STANDARD
01-maj-2012
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UD]SRORåOMLYRVWMRGHO3URWRNRO]DUHGXQGDQFRQDREURþQLRVQRYL,(&

Industrial communication networks - High availability automation networks - Part 7: Ring-
based Redundancy Protocol (RRP) (IEC 62439-7:2011)
Industrielle Kommunikationsnetze - Hochverfügbare Automatisierungsnetze - Teil 7:
Protokoll für ringbasierte Redundanz (RRP) (IEC 62439-7:2011)
Réseaux de communication industriels - Réseau de haute disponibilité pour l'automation
- Partie 7: Protocole de redondance pour réseau en anneau (RRP) (CEI 62439-7:2011)
Ta slovenski standard je istoveten z: EN 62439-7:2012
ICS:
25.040.01 Sistemi za avtomatizacijo v Industrial automation
industriji na splošno systems in general
35.110 Omreževanje Networking
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EUROPEAN STANDARD
EN 62439-7
NORME EUROPÉENNE
March 2012
EUROPÄISCHE NORM
ICS 25.040; 35.040
English version
Industrial communication networks -
High availability automation networks -
Part 7: Ring-based Redundancy Protocol (RRP)
(IEC 62439-7:2011)
Réseaux de communication industriels -  Industrielle Kommunikationsnetze -
Réseau de haute disponibilité pour Hochverfügbare Automatisierungsnetze -
l'automation - Teil 7: Protokoll für ringbasierte
Partie 7: Protocole de redondance pour Redundanz (RRP)
réseau en anneau (RRP) (IEC 62439-7:2011)
(CEI 62439-7:2011)
This European Standard was approved by CENELEC on 2012-01-20. 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, 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.

CENELEC
European Committee for Electrotechnical Standardization
Comité Européen de Normalisation Electrotechnique
Europäisches Komitee für Elektrotechnische Normung

Management Centre: Avenue Marnix 17, B - 1000 Brussels

© 2012 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members.
Ref. No. EN 62439-7:2012 E
Foreword
The text of document 65C/668/FDIS, future edition 1 of IEC 62439-7, 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 62439-7:2012.

The following dates are fixed:
(dop) 2012-10-20
• latest date by which the document has
to be implemented at national level by
publication of an identical national
standard or by endorsement
(dow) 2015-01-20
• latest date by which the national
standards conflicting with the
document have to be withdrawn
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.
Endorsement notice
The text of the International Standard IEC 62439-7:2011 was approved by CENELEC as a European
Standard without any modification.
In the official version, for Bibliography, the following note has to be added for the standard indicated:
IEC 61158 series NOTE  Harmonized in EN 61158 series.

- 3 - EN 62439-7:2012
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  When an international publication has been modified by common modifications, indicated by (mod), the relevant EN/HD
applies.
Publication Year Title EN/HD Year

IEC 60050-191 - International Electrotechnical Vocabulary - -
(IEV) -
Chapter 191: Dependability and quality of
service
IEC 62439-1 2010 Industrial communication networks - High EN 62439-1 2010
availability automation networks -
Part 1: General concepts and calculation
methods
ISO/IEC 8802-3 2000 Information technology - Telecommunications - -
and information exchange between systems -
Local and metropolitan area networks -
Specific requirements -
Part 3: Carrier sense multiple access with
collision detection (CSMA/CD) access method
and physical layer specifications

IEC 62439-7 ®
Edition 1.0 2011-12
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
Industrial communication networks – High availability automation networks –
Part 7: Ring-based Redundancy Protocol (RRP)

Réseaux de communication industriels – Réseaux de haute disponibilite pour
l'automation –
Partie 7: Protocole de redondance pour réseau en anneau (RRP)

INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
PRICE CODE
INTERNATIONALE
CODE PRIX XC
ICS 25.040; 35.040 ISBN 978-2-88912-838-9

– 2 – 62439-7 © IEC:2011
CONTENTS
FOREWORD . 6
INTRODUCTION . 8
1 Scope . 9
2 Normative references . 9
3 Terms, definitions, abbreviations, acronyms, and conventions . 9
3.1 Terms and definitions . 9
3.2 Abbreviations and acronyms . 10
3.3 Conventions . 10
4 RRP overview . 11
4.1 General . 11
4.2 Frame forwarding and receiving control . 11
4.2.1 General . 11
4.2.2 Normal Device (ND) and Gateway Device (GWD) . 11
4.2.3 Behaviours of the General Device (GD) . 12
4.2.4 Behaviours of the Line Network Manager (LNM) . 13
4.2.5 Behaviours of the Ring Network Managers (RNMs) . 13
4.3 Link status monitoring . 14
4.4 Error detection . 14
4.5 Plug and play . 14
4.6 Network management information base (NMIB) management . 14
4.7 Network recovery . 15
4.8 Automatic network configuration . 15
4.9 RRP basic operating principle . 15
5 RRP redundancy behaviours . 17
5.1 Network topology. 17
5.2 Network recovery in ring network . 18
5.2.1 General . 18
5.2.2 Link fault between neighbouring devices . 20
5.2.3 Link fault of remote device . 21
5.2.4 Device fault on a RNM . 22
5.3 Automatic Ring Network Manager (RNM) election procedure . 23
5.3.1 General . 23
5.3.2 Primary RNM (RNMP). 23
5.3.3 Secondary RNM (RNMS) . 24
5.4 Path management . 24
5.4.1 General . 24
5.4.2 Path in a line topology network . 24
5.4.3 Path in a ring topology network . 25
5.5 Device address collision . 26
6 RRP class specification . 27
6.1 General . 27
6.2 Template . 27
6.3 Attributes. 29
7 RRP services specification . 34
7.1 Set device information . 34
7.2 Get device information . 36

62439-7 © IEC:2011 – 3 –
7.3 Get network information . 38
7.4 Get path table information . 40
8 RRP protocol specification. 42
8.1 General . 42
8.2 Ethernet header . 43
8.2.1 Preamble . 43
8.2.2 Start frame delimiter . 43
8.2.3 Destination MAC address . 43
8.2.4 Source MAC address . 43
8.2.5 Length/Type . 43
8.3 Encoding of RRP_FrameHDR . 43
8.3.1 Version and length . 43
8.3.2 DST_addr . 44
8.3.3 SRC_addr. 45
8.3.4 Frame Control (FC) . 45
8.4 Encoding of data and pad . 47
8.4.1 General . 47
8.4.2 Encoding of FamilyReq . 47
8.4.3 Encoding of FamilyRes . 48
8.4.4 Encoding of MediaLinked . 48
8.4.5 Encoding of AdvThis . 49
8.4.6 Encoding of LineStart . 49
8.4.7 Encoding of RingStart .
...