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BS EN IEC 61850-9-2:2011+A1:2020

BS EN IEC 61850-9-2:2011+A1:2020

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Communication networks and systems for power utility automation – Specific communication service mapping (SCSM). Sampled values over ISO/IEC 8802-3

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BSI 2020 42
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This part of IEC 61850 defines the specific communication service mapping (SCSM) for the transmission of sampled values according to the abstract specification in IEC 61850‑7‑2. The mapping is that of the abstract model on a mixed stack using direct access to an ISO/IEC 8802‑3 link for the transmission of the samples in combination with IEC 61850‑8‑1.

Each SCSM consists of three parts:

  • a specification of the communication stack being used,

  • the mapping of the abstract specifications of IEC 61850‑7 series on the real elements of the stack being used, and

  • the implementation specification of functionality, which is not covered by the stack being used.

PDF Catalog

PDF Pages PDF Title
2 undefined
5 Annex ZA(normative)Normative references to international publicationswith their corresponding European publications
7 Blank Page
9 CONTENTS
13 INTRODUCTION
14 1 Scope
2 Normative references
16 3 Terms and definitions
4 Abbreviated terms
17 5 Communication stack
5.1 Overview of the protocol usage
18 5.2 Client/server services and communication profiles
5.3 SV service and communication profile
5.3.1 SV mapping overview
Figures
Figure 1 – OSI reference model and profiles
Tables
Table 4 – Service requiring SV communication profile
19 5.3.2 A-Profile
5.3.3 T-Profile
Table 5 – Service and protocols for SV communication A-Profile
Table 6 – SV T-Profile
20 Figure 2 – Structure of the tag header
Table 7 – Default Virtual LAN IDs and priorities
21 Table 8 – Assigned Ethertype values
22 5.4 Restrictions
6 Mapping of IEC 61850-7-2 and IEC 61850-7-3 data attributes
7 Mapping of IEC 61850-7-2 classes and services
7.1 Classes of SV data sets
Figure 3 – Reserved 1
23 7.2 Definition of SV data sets
8 Mapping of the model for the transmission of sampled values
8.1 Overview
8.2 Mapping of the multicast sampled value control block class and services
8.2.1 Multicast sampled value control block definition
Table 9 – MMS TypeDescription definition for MSVCB MMS structure
25 8.2.2 MSV Services
8.3 Mapping of the unicast sampled value control block class and services
8.4 Mapping of the update of the sampled value buffer
Table 10 – PhyComAddr structure
Table 20 – Mapping of OptFlds within Bitstring
Table 11 – Mapping of multicast sampled value services
26 8.5 Additional definitions for the transmission of sampled values
8.5.1 Application layer functionality
8.5.2 Presentation layer functionality
Figure 4 – Concatenation of several ASDU’s into one frame
27 Table 14 – Encoding for the transmission of the sampled value buffer
28 8.6 Definitions for basic data types – Presentation layer functionality
29 Table 15 – Encoding for the basic data types
30 9 Synchronization
Table 21 – Mapping for IEC 61850-7-2 quality
31 10 Conformance
10.1 Notation
10.2 PICS
10.2.1 Profile conformance
32 10.2.2 SV Services
11 Substation configuration language (SCL)
Table 16 – PICS for A-Profile support
Table 17 – PICS for T-Profile support
Table 18 – SV conformance statement
33 12 SCSM specific address element definitions
Table 19 – Definitions for SV SCL
34 Annex A (informative) ISO/IEC/IEEE 8802-3 frame format and ASN.1 basic encoding rules
A.1 ISO/IEC/IEEE 8802-3 frame format
Figure A.1 – ISO/IEC/IEEE 8802-3 frame format – No link redundancy
35 Figure A.2 – ISO/IEC/IEEE 8802-3 frame format – Link redundancy: HSR
36 Figure A.3 – ISO/IEC/IEEE 8802-3 frame format – Link redundancy: PRP
37 A.2 ASN.1 basic encoding rules (BER)
Figure A.4 – Basic encoding rules format
Figure A.5 – Format of the tag octets
38 A.3 Example for an ASN.1 coded APDU frame structure
Figure A.6 – Example for an ASN.1 coded APDU frame structure
39 Annex B (informative) Multicast address selection
Table B.1 – Recommended multicast addressing example
40 Annex C (normative) Compatibility of the different revisions of this standard
C.1 General
C.2 Compatibility rules for IEC 61850-9-2
C.3 Other modifications to consider for backward / forward compatibility
C.3.1 Deferral of Physical Layer specification
C.3.2 Adding new optional fields in frame
C.3.3 Adding time synchronization specifications
C.3.4 Removal of field values
41 C.3.5 Changing attribute values
C.3.6 Simulation

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