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Date Code 20151029 SEL-411L Relay
Preface
Overview
Communications
Manual
Preface. Describes manual organization and conventions used to present
information (appears once in the electronic form of the manual;
repeated in each printed volume).
Section 1: Communications Interfaces. Explains the physical connection
of the relay to various communications network topologies.
Section 2: SEL Communications Protocols. Describes the various SEL
software protocols and how to apply these protocols to substation
integration and automation; includes details about SEL ASCII, SEL
Compressed ASCII, SEL Fast Meter, SEL Fast Operate, SEL Fast
SER, and enhanced M
IRRORED BITS
®
communications.
Section 3: SEL Communications Processor Applications. Provides
examples of how to use the relay with the SEL-2032, SEL-2030, and
SEL-2020 Communications Processors for total substation automation
solutions.
Section 4: DNP3 Communications. Describes the DNP3 communications
protocol and how to apply this protocol to substation integration and
automation; provides an example for implementing DNP3 in a
substation.
Section 5: IEC 61850 Communications. Describes the IEC 61850 protocol
and how to apply this protocol to substation automation and
integration. Includes IEC 61850 protocol compliance statements.
Section 6: Synchrophasors. Describes the phasor measurement unit
(PMU) functions of the relay; provides details on synchrophasor
measurement; describes the IEEE C37.118 synchrophasor protocol
settings; describes the SEL Fast Message synchrophasor protocol
settings.
Section 7: Cybersecurity Features. Describes the cybersecurity of the
relay.
The CD-ROM contains the Instruction Manual in an electronic form that you
can search easily.
Safety Information
Dangers, Warnings,
and Cautions
This manual uses three kinds of hazard statements, defined as follows:
Indicates an imminently hazardous situation
that, if not avoided, will result in death or
serious injury.
Indicates a potentially hazardous situation
that, if not avoided, could result in death or
serious injury.
Indicates a potentially hazardous situation
that, if not avoided, may result in minor or
moderate injury or equipment damage.