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SEL-787 Relay Instruction Manual Date Code 20081022
Table of Contents
Section 5: Metering and Monitoring
Overview.......................................................................................................................................................... 5.1
Power Measurement Conventions....................................................................................................................5.2
Metering...........................................................................................................................................................5.3
Load Profiling ................................................................................................................................................ 5.11
Through-Fault Event Monitoring...................................................................................................................5.12
Section 6: Settings
Overview.......................................................................................................................................................... 6.1
View/Change Settings With Front Panel.......................................................................................................... 6.2
View/Change Settings Over Communications Port .........................................................................................6.4
Setting Entry Error Messages ..........................................................................................................................6.6
Section 7: Communications
Overview.......................................................................................................................................................... 7.1
Communications Interfaces ............................................................................................................................. 7.1
Communications Protocols ..............................................................................................................................7.7
SEL ASCII Protocol and Commands ............................................................................................................7.10
Section 8: Front-Panel Operations
Overview.......................................................................................................................................................... 8.1
Front-Panel Layout ..........................................................................................................................................8.1
Human-Machine Interface ...............................................................................................................................8.2
Operation and Target LEDs ........................................................................................................................... 8.12
Section 9: Analyzing Events
Overview.......................................................................................................................................................... 9.1
Event Reporting ...............................................................................................................................................9.2
Sequential Events Recorder (SER) Report ....................................................................................................9.21
Section 10: Testing and Troubleshooting
Overview........................................................................................................................................................10.1
Testing Tools ..................................................................................................................................................10.1
Commissioning Tests ..................................................................................................................................... 10.3
Periodic Tests (Routine Maintenance) .........................................................................................................10.11
Self-Test .......................................................................................................................................................10.11
Troubleshooting ...........................................................................................................................................10.14
Factory Assistance ....................................................................................................................................... 10.14
Appendix A: Firmware and Manual Versions
Firmware ......................................................................................................................................................... A.1
Instruction Manual .......................................................................................................................................... A.2
Appendix B: Firmware Upgrade Instructions
Overview......................................................................................................................................................... B.1
Upgrade Instructions....................................................................................................................................... B.1
Appendix C: SEL Communications Processors
SEL Communications Protocols ..................................................................................................................... C.1
SEL Communications Processor .................................................................................................................... C.3
SEL Communications Processor and Relay Architecture ..............................................................................C.5
Appendix D: DNP3 Communications
Overview......................................................................................................................................................... D.1
Introduction to DNP3...................................................................................................................................... D.1
DNP3 in the SEL-787 ..................................................................................................................................... D.6
DNP3 Documentation ................................................................................................................................... D.19
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