Siemens 7SA511 manual Using This Manual, If you want to, Then read

7SA511 Line Protection Relay Chapter 1

1. Introduction

1.1 Using This Manual

This operator’s manual is intended to provide you with all the information you need to install and operate the Siemens 7SA511 Numerical Line Protection Relay. In addition to describing the various tasks of operation, the manual offers general information about the functions and features of the relay.

Several of the relay’s functions and features are optional, depending on the model ordering number. This manual identifies all of the relay’s options and frequently refers you to section 1.3, “Relay Model Number,” so you can determine which options your relay has.

This manual is divided into two parts:

•The User Guide describes how to install, program, operate and maintain the relay, so you will need to read this part if you are to perform any of these tasks. General information about the relay’s features and functions is also in this part of the manual.

•The Reference Guide includes the relay specifications, method of operation, relay setting calculations and worksheets, and information on the relay’s hardware, software, and communications capabilities. If you are responsible for the application and setting calculation of the relay, you will need to read this part of the manual.

Refer to Table 1-1 for help in finding the information you need in this manual.

Table 1-1.Using This Manual.

If you want to . . .

learn more about the relay

determine the optional function(s) available in your relay

install the relay

perform acceptance tests

program the relay

check relay status, target history logs, and the event log

place the relay in service or perform maintenance

review relay specifications

Then read . . .

Chapter 2, Product Description

Reference A, Method of Operation

Reference B, Hardware & Software

Reference C, Communications

Section 1.3, Relay Model Number

Chapter 4, Installation

Chapter 3, Acceptance Tests

Chapter 5, Programming the Relay

Reference E, Setting Calculations

Reference F, Setting Worksheets

Reference G, Input/Output Functions

Chapter 6, Displaying System and Relay Information

Chapter 7, Commissioning the Relay

Chapter 8, Maintenance

￿Reference D, Specifications

July 27, 1995 1-3