EasyManua.ls Logo

Schweitzer Engineering Laboratories SEL-2020 User Manual

Schweitzer Engineering Laboratories SEL-2020
470 pages
To Next Page IconTo Next Page
To Next Page IconTo Next Page
Page #1 background imageLoading...
Page #1 background image
SEL-2020
COMMUNICATIONS PROCESSOR
INSTRUCTION MANUAL
SCHWEITZER ENGINEERING LABORATORIES, INC.
2350 NE HOPKINS COURT
PULLMAN, WA USA 99163-5603
TEL: (509) 332-1890 FAX: (509) 332-7990

Table of Contents

Question and Answer IconNeed help?

Do you have a question about the Schweitzer Engineering Laboratories SEL-2020 and is the answer not in the manual?

Schweitzer Engineering Laboratories SEL-2020 Specifications

General IconGeneral
BrandSchweitzer Engineering Laboratories
ModelSEL-2020
CategoryComputer Hardware
LanguageEnglish

Summary

SECTION 1: INTRODUCTION

Initial Checkout

Step-by-step procedure to ensure the SEL-2020 communicates properly after installation.

Data Sheet

SPECIFICATIONS

"JOB DONE" EXAMPLE

Set the SEL-2020

Provides step-by-step instructions for configuring the SEL-2020's access levels and port parameters.

Verify and Test All Communication Paths

Describes how to check IRIG-B signal, transparent communication, and relay auto-message settings.

SECTION 5: COMMANDS

Command Operation

Explains the command structure, syntax, and access levels for interacting with the SEL-2020.

Command Access Levels

Explains the multilevel password system providing security and function-specific access.

SET Commands (Access Level 2)

Introduces the seven SET command variations for configuring the SEL-2020's operation.

SECTION 6: SETTINGS

SET P - Port Configuration and Communication Settings

Explains the purpose of the SET P command for configuring ports and communication parameters.

SET A - Automatic Message Settings

Explains settings for controlling messages and data, including unsolicited message storage and trigger conditions.

SET U - User-Defined Commands

Details how to create user-defined commands, enable auto-message handling, and control the SEL-2020 command set.

SET M - Math/Data Movement Settings

Explains how to scale and move data to a User region for custom organization and faster access.

SET G - Global Settings

Explains using SET G to create device identification, select time synchronization, and define logic.

SECTION 7: SELOGIC® CONTROL EQUATIONS

SECTION 8: MESSAGE STRINGS

SECTION 9: DATABASE

Database Structure

Explains the database structure with defined regions like Global, Local, Buffer, Data, Archive, and User.

SECTION 10: MAINTENANCE

TROUBLESHOOTING

Guides users through identifying and resolving power system and communications problems.

APPENDIX G: MODBUS PROTOCOL

SETTINGS

Details configuring ports for Modbus slave address, map style, and device ID offset using SET P commands.

Related product manuals