IEC 61850-9-2:2011

IEC 61850-9-2 ®
Edition 2.0 2011-09
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Communication networks and systems for power utility automation –
Part 9-2: Specific communication service mapping (SCSM) – Sampled values
over ISO/IEC 8802-3
Réseaux et systèmes de communication pour l'automatisation des systèmes
électriques –
Partie 9-2: Mise en correspondance des services de communication spécifiques
(SCSM) – Valeurs échantillonnées sur ISO/CEI 8802-3

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IEC 61850-9-2 ®
Edition 2.0 2011-09
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Communication networks and systems for power utility automation –
Part 9-2: Specific communication service mapping (SCSM) – Sampled values
over ISO/IEC 8802-3
Réseaux et systèmes de communication pour l'automatisation des systèmes
électriques –
Partie 9-2: Mise en correspondance des services de communication spécifiques
(SCSM) – Valeurs échantillonnées sur ISO/CEI 8802-3

INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
PRICE CODE
INTERNATIONALE
CODE PRIX V
ICS 33.200 ISBN 978-2-88912-631-6

– 2 – 61850-9-2 © IEC:2011
CONTENTS
FOREWORD . 4
INTRODUCTION . 6
1 Scope . 7
2 Normative references. 7
3 Terms and definitions . 9
4 Abbreviations . 9
5 Communication stack . 10
5.1 Overview of the protocol usage . 10
5.2 Client/server services and communication profiles . 11
5.2.1 Client/server services . 11
5.2.2 A-Profile . 12
5.2.3 TCP/IP T-Profile . 13
5.3 SV service and communication profile . 13
5.3.1 SV mapping overview . 13
5.3.2 A-Profile . 14
5.3.3 T-Profile . 14
5.4 Restrictions . 17
6 Mapping of IEC 61850-7-2 and IEC 61850-7-3 data attributes . 17
7 Mapping of IEC 61850-7-2 classes and services . 17
7.1 Classes of SV data sets . 17
7.2 Definition of SV data sets . 17
8 Mapping of the model for the transmission of sampled values . 18
8.1 Overview . 18
8.2 Mapping of the multicast sampled value control block class and services . 18
8.2.1 Multicast sampled value control block definition . 18
8.2.2 MSV Services . 19
8.3 Mapping of the unicast sampled value control block class and services . 20
8.3.1 Unicast sampled value control block definition . 20
8.3.2 USV Services . 21
8.4 Mapping of the update of the sampled value buffer. 21
8.5 Additional definitions for the transmission of sampled values . 21
8.5.1 Application layer functionality . 21
8.5.2 Presentation layer functionality . 22
8.6 Definitions for basic data types – Presentation layer functionality . 24
9 Conformance . 24
9.1 Notation . 24
9.2 PICS . 24
9.2.1 Profile conformance . 24
9.2.2 SV Services . 25
10 Substation configuration language (SCL) . 25
11 SCSM specific address element definitions . 26
Annex A (informative) ISO/IEC 8802-3 frame format and ASN.1 basic encoding rules . 27
Annex B (informative) Multicast address selection . 32

61850-9-2 © IEC:2011 – 3 –
Figure 1 – OSI reference model and profiles . 11
Figure 2 – Structure of the tag header . 15
Figure 3 – Reserved 1 . 16
Figure 4 – Concatenation of several ASDU's into one frame . 22
Figure A.1 – ISO/IEC 8802-3 frame format – No link redundancy . 27
Figure A.2 – ISO/IEC 8802-3 frame format – Link redundancy: HSR . 28
Figure A.3 – ISO/IEC 8802-3 frame format – Link redundancy: PRP . 29
Figure A.4 – Basic encoding rules format . 30
Figure A.5 – Format of the tag octets . 30
Figure A.6 – Example for an ASN.1 coded APDU frame structure . 31

Table 1 – Service requiring client/server communication profile . 12
Table 2 – Service and protocols for client/server communication A-Profile . 12
Table 3 – Service and protocols for peer TCP/IP T-Profile . 13
Table 4 – Service requiring SV communication profile . 13
Table 5 – Service and protocols for SV communication A-Profile . 14
Table 6 – SV T-Profile . 14
Table 7 – Default Virtual LAN IDs and priorities . 15
Table 8 – Assigned Ethertype values . 16
Table 9 – MMS TypeDescription definition for MSVCB MMS structure . 18
Table 10 – DstAddress structure . 19
Table 11 – Mapping of multicast sampled value services . 19
Table 12 – MMS TypeDescription definition for USVCB MMS structure . 20
Table 13 – Mapping of unicast sampled value services . 21
Table 14 – Encoding for the transmission of the sampled value buffer . 22
Table 15 – Encoding for the basic data types . 24
Table 16 – PICS for A-Profile support . 25
Table 17 – PICS for T-Profile support . 25
Table 18 – SV conformance statement . 25
Table 19 – Definitions for SV SCL . 26
Table B.1 – Recommended multicast addressing example . 32

– 4 – 61850-9-2 © IEC:2011
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
COMMUNICATION NETWORKS AND SYSTEMS
FOR POWER UTILITY AUTOMATION –

Part 9-2: Specific communication service mapping (SCSM) –
Sampled values over ISO/IEC 8802-3

FOREWORD
1) The Int
...