Function Block - ABB REL650 series Technical Manual

Line distance protection
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1MRK 506 335-UUS A
14.5.2
14.5.3
14.5.3.1
14.5.4
Technical manual
changed status during a disturbance. This information is used in the short perspective to
get information via the local HMI in a straightforward way.
There are three LEDs on the local HMI (green, yellow and red), which will display status
information about the IED and the Disturbance recorder function (triggered).
The Indication list function shows all selected binary input signals connected to the
Disturbance recorder function that have changed status during a disturbance.

Function block

The Indications function has no function block of it's own.
Signals
Input signals
The Indications function logs the same binary input signals as the Disturbance report
function.
Operation principle
The LED indications display this information:
Green LED:
Steady light
In Service
Flashing light
Internal fail
Dark
No power supply
Yellow LED:
Function controlled by SetLEDn setting in Disturbance report function.
Red LED:
Function controlled by SetLEDn setting in Disturbance report function.
Indication list:
The possible indication signals are the same as the ones chosen for the disturbance report
function and disturbance recorder.
Section 14
Monitoring
645

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