Schweitzer Engineering Laboratories SEL-587Z - Default Chapter; Table of Contents

Date Code 20020903 SEL-587Z Instruction Manual
Table of Contents
List of Tables .......................................................................................................................................................iii
List of Figures...................................................................................................................................................... v
List of Equations...............................................................................................................................................vii
List of Examples................................................................................................................................................. ix
Section 1: Introduction and Specifications
Introduction ..................................................................................................................................................... 1.1
Overview ......................................................................................................................................................... 1.2
SEL-587Z Functions ....................................................................................................................................... 1.4
Specifications .................................................................................................................................................. 1.7
Section 2: Installation
Introduction ..................................................................................................................................................... 2.1
Relay Mounting and Maintenance................................................................................................................... 2.2
Rear-Panel Connections .................................................................................................................................. 2.4
SEL-587Z Relay AC/DC Connection Diagrams............................................................................................. 2.6
Circuit Board Jumpers and Battery ................................................................................................................. 2.8
Port Connector and Communications Cables................................................................................................ 2.12
Section 3: Relay Elements
Introduction ..................................................................................................................................................... 3.1
High-Impedance Protection............................................................................................................................. 3.2
Overcurrent Protection .................................................................................................................................. 3.10
Demand Ammetering .................................................................................................................................... 3.29
Section 4: Control Logic
Introduction ..................................................................................................................................................... 4.1
Optoisolated Inputs.......................................................................................................................................... 4.2
Local Control Switches (NLBn, SLBn, CLBn, PLBn) ................................................................................... 4.5
Remote Control Switches................................................................................................................................ 4.9
SEL
OGIC Control Equations.......................................................................................................................... 4.11
SEL
OGIC Control Equation Variables/Timers ............................................................................................... 4.14
Trip Logic (TRn, ULTRn, TDURD) ............................................................................................................. 4.16
Close Logic (CL, ULCL, 52A, CFD)............................................................................................................ 4.18
Output Contacts............................................................................................................................................. 4.20
Rotating Display............................................................................................................................................ 4.23
Front-Panel Target LEDs............................................................................................................................... 4.24
Section 5: Setting the Relay
Introduction ..................................................................................................................................................... 5.1
Settings Changes Via the Serial Port ............................................................................................................... 5.2
Settings Changes Via the Front Panel ............................................................................................................. 5.3
Identifier and System Parameter Settings........................................................................................................ 5.4
SEL-587Z Settings Sheets
Section 6: Serial Port Communications
Introduction ..................................................................................................................................................... 6.1
Port Connector and Communications Cables.................................................................................................. 6.2
Communications Protocols.............................................................................................................................. 6.6
SEL Distributed Port Switch Protocol (LMD) .............................................................................................. 6.10
SEL Binary Protocols, Fast Meter, and Fast Operate.................................................................................... 6.11