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C.1.2 Communication Profiles - GE C30 Instruction Manual

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Table of Contents
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Table of Contents
APPENDIX C
APPENDIX C IEC 61850 COMMUNICATIONSC.1OVERVIEW
The IEC 61850 standard is the result of electric utilities and vendors of electronic equipment to produce standardized com-
munications systems. IEC 61850 is a series of standards describing client/server and peer-to-peer communications, sub-
station design and configuration, testing, environmental and project standards. The complete set includes:
IEC 61850-1: Introduction and overview
IEC 61850-2: Glossary
IEC 61850-3: General requirements
IEC 61850-4: System and project management
IEC 61850-5: Communications and requirements for functions and device models
IEC 61850-6: Configuration description language for communication in electrical substations related to IEDs
IEC 61850-7-1: Basic communication structure for substation and feeder equipment - Principles and models
IEC 61850-7-2: Basic communication structure for substation and feeder equipment - Abstract communication service
interface (ACSI)
IEC 61850-7-3: Basic communication structure for substation and feeder equipment – Common data classes
IEC 61850-7-4: Basic communication structure for substation and feeder equipment – Compatible logical node classes
and data classes
IEC 61850-8-1: Specific Communication Service Mapping (SCSM) – Mappings to MMS (ISO 9506-1 and ISO 9506-2)
and to ISO/IEC 8802-3
IEC 61850-9-1: Specific Communication Service Mapping (SCSM) – Sampled values over serial unidirectional multi-
drop point to point link
IEC 61850-9-2: Specific Communication Service Mapping (SCSM) – Sampled values over ISO/IEC 8802-3
IEC 61850-10: Conformance testing
These documents can be obtained from the IEC (http://www.iec.ch). It is strongly recommended that all those involved with
any IEC 61850 implementation obtain this document set.
IEC 61850 specifies the use of the Manufacturing Message Specification (MMS) at the upper (application) layer for transfer
of real-time data. This protocol has been in existence for several of years and provides a set of services suitable for the
transfer of data within a substation LAN environment. Actual MMS protocol services are mapped to IEC 61850 abstract ser-
vices in IEC 61850-8-1.
The C30 relay supports IEC 61850 server services over both TCP/IP and TP4/CLNP (OSI) communication protocol stacks.
The TP4/CLNP profile requires the C30 to have a network address or Network Service Access Point (NSAP) to establish a
communication link. The TCP/IP profile requires the C30 to have an IP address to establish communications. These
addresses are located in the
supports IEC 61850 over the TP4/CLNP or TCP/IP stacks, and also operation over both stacks simultaneously. It is possi-
ble to have up to five simultaneous connections (in addition to DNP and Modbus/TCP (non-IEC 61850) connections).
Client/server: This is a connection-oriented type of communication. The connection is initiated by the client, and com-
munication activity is controlled by the client. IEC 61850 clients are often substation computers running HMI programs
or SOE logging software. Servers are usually substation equipment such as protection relays, meters, RTUs, trans-
former tap changers, or bay controllers.
Peer-to-peer: This is a non-connection-oriented, high speed type of communication usually between substation equip-
ment such as protection relays. GSSE and GOOSE are methods of peer-to-peer communication.
Substation configuration language (SCL): A substation configuration language is a number of files used to describe
the configuration of substation equipment. Each configured device has an IEC Capability Description (ICD) file. The
substation single line information is stored in a System Specification Description (SSD) file. The entire substation con-
figuration is stored in a Substation Configuration Description (SCD) file. The SCD file is the combination of the individ-
ual ICD files and the SSD file.
GE Multilin
SETTINGS
PRODUCT SETUP
C30 Controller System

C.1.2 COMMUNICATION PROFILES



COMMUNICATIONS
NETWORK
C.1 OVERVIEW
C.1.1 INTRODUCTION
C
menu. Note that the C30
C-1

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