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Date Code 20081022
Instruction Manual
SEL-787 Relay
Table of Contents
Instructi on Manual
Manual Overview .......................................................................................................................................... xvii
Conventions .................................................................................................................................................. xviii
Safety and General Information ..................................................................................................................... xix
Section 1: Introduction and Specifications
Overview ......................................................................................................................................................... 1.1
Features............................................................................................................................................................ 1.1
Models, Options, and Accessories................................................................................................................... 1.2
Applications..................................................................................................................................................... 1.4
Getting Started................................................................................................................................................. 1.4
Specifications .................................................................................................................................................. 1.8
Overview ......................................................................................................................................................... 2.1
Relay Placement .............................................................................................................................................. 2.1
I/O Configuration ............................................................................................................................................ 2.2
Rear-Panel Connections ................................................................................................................................ 2.13
AC/DC Control Connection Diagrams.......................................................................................................... 2.17
Field Serviceability........................................................................................................................................ 2.26
Overview ......................................................................................................................................................... 3.1
Setup ................................................................................................................................................................ 3.2
Terminal........................................................................................................................................................... 3.3
Settings Database Management and Drivers ................................................................................................... 3.4
Settings ............................................................................................................................................................ 3.6
Event Analysis ............................................................................................................................................... 3.11
Meter and Control.......................................................................................................................................... 3.12
Help ............................................................................................................................................................... 3.15
Section 4: Protection and Logic Functions
Overview ......................................................................................................................................................... 4.1
Application Data.............................................................................................................................................. 4.2
Group Settings (SET Command)..................................................................................................................... 4.2
Basic Protection............................................................................................................................................... 4.5
RTD-Based Protection................................................................................................................................... 4.49
Voltage-Based Protection .............................................................................................................................. 4.51
Demand Metering .......................................................................................................................................... 4.63
Trip/Close Logic............................................................................................................................................ 4.68
Logic Settings (SET L Command) ................................................................................................................ 4.72
Global Settings (SET G Command) .............................................................................................................. 4.82
Port Settings (SET P Command)................................................................................................................... 4.92
Front-Panel Settings (SET F Command)....................................................................................................... 4.96
Report Settings (SET R Command) ............................................................................................................ 4.106
DNP Map Settings (SET DNP n Command, n = 1, 2, or 3)........................................................................................4.109
Modbus Map Settings (SET M Command)................................................................................................. 4.110
Summary of Contents for SEL-787
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