Led; Introduction; Status Indication Leds; Indication Leds - ABB Relion 670 Series Technical Reference Manual

1MRK 505 208-UEN B
3.5
3.5.1
3.5.2
3.5.3
Technical reference manual
Key Function
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IEC05000109 V1 EN
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IEC05000110 V1 EN
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LED

Introduction

The LED module is a unidirectional means of communicating. This means that
events may occur that activate a LED in order to draw the operators attention to
something that has occurred and needs some sort of action.

Status indication LEDs

The three LEDs above the LCD provide information as shown in the table below.
LED Indication Information
Green:
Steady In service
Flashing Internal failure
Dark No power supply
Yellow:
Steady Dist. rep. triggered
Flashing Terminal in test mode
Red:
Steady Trip command issued

Indication LEDs

The LED indication module comprising 15 LEDs is standard in 670 series. Its main
purpose is to present an immediate visual information for protection indications or
alarm signals.
Section 3
Local HMI
41