Schweitzer Engineering Laboratories SEL-321-2 User manual

SEL-321-2
PHASE AND GROUND DISTANCE RELAY
DIRECTIONAL OVERCURRENT RELAY
FAULT LOCATOR
INSTRUCTION MANUAL
SCHWEITZER ENGINEERING LABORATORIES
2350 NE HOPKINS COURT
PULLMAN, WA USA 99163-5603
TEL: [phone] FAX: [phone]

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The software (firmware), schematic drawings, relay commands, and relay messages are copyright protected by the United States Copyright Law and International
Treaty provisions. ll rights are reserved.
You may not copy, alter, disassemble, or reverse-engineer the software. You may not provide the software to any third party.
ll brand or product names appearing in this document are the trademark or registered trademark of their respective holders.
Schweitzer Engineering Laboratories, SELOGIC, Connectorized, Job Done, SEL-PROFILE, and are registered trademarks of Schweitzer Engineering Laboratories.
The English language manual is the only approved SEL manual.
Copyright © SEL 1997, 1998, 1999, 2000, 2001 ( ll rights reserved) Printed in US .
This product is covered by U.S. Patent Numbers: 4,996,624; 5,041,737; 5,208,545; 5,262,679; 5,317,472; 5,325,061; 5,349,490; 5,365,396; 5,367,426; 5,479,315;
5,515,227; 5,790,418; 5,793,750; 5,883,578; and U.S. Patent(s) Pending, and Foreign Patent(s) Issued and Pending.

Date Code 20010215 Preface Preface-1
SEL-321-2 Instruction Manual
PREFACE
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Date Code 20010215 Manual Change Information i
SEL-321-2 Instruction Manual
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ii Manual Change Information Date Code 20010215
SEL-321-2 Instruction Manual
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Date Code 20010215 Table of Contents i
SEL-321-2 Instruction Manual
SEL-321-2 INSTRUCTION MANUAL
TABLE OF CONTENTS
SECTION 1: INTRODUCTION
SECTION 2: SPECIFICATIONS
SECTION 3: COMMUNICATIONS
SECTION 4: EVENT REPORTING
SECTION 5: APPLICATIONS
SECTION 6: INSTALLATION
SECTION 7: MAINTENANCE AND TESTING
SECTION 8: APPENDICES
A endix A: Firmware Versions in This Manual
A endix B: SEL-321-2 Main Board Jum er, Connector, and Socket
Locations
A endix C: A lication Guidelines
A endix D: ONEBUS: Program to Com ute Test Set Settings for
Testing Distance Relays
A endix E: SEL-5601 Analytic Assistant
A endix F: S ecial A lication Settings
A endix G: Additional SEL-321-2 Relay Communications Protocol
A endix H: MIRRORED BITS™ Communications
A endix I: Interface Board S ecifications
SEL-321-2 TARGET INFORMATION
SEL-321-2 RELAY COMMAND SUMMARY

Date Code 20010215 Introduction i
SEL-321-2 Instruction Manual
TABLE OF CONTENTS
SECTION 1:INTRODUCTION................................................................. 1-1
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