Local Interface - GE D90 Plus Instruction Manual

Line distance protection system

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Table of Contents

Chapter 12: Local interface

Local interface overview

LINE DISTANCE PROTECTION SYSTEM – INSTRUCTION MANUAL

Line Distance Protection System

Local interface

This section describes how to program the D90

The front panel of the D90

with an optional second LCD display for front panel HMI functions that include user

configurable metering and control pages, access to the digital fault recorder, physical

input/output status and equipment maintenance functions. Keys are provided at the

bottom of each display for navigation and at both sides of the front panel HMI display for

assigned user control actions. These control actions can include selection of a breaker or a

disconnect switch in a select-before-operate sequence, or direct operation of a user

definable push-button or selector switch element. Up to thirty pushbutton instances, 10

selector switch instances, disconnect switches, and breakers are supported on the D90

provides a color LCD annunciator alarm panel functionality

Figure 504: Front panel interface overview

local interface features.