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.
12.5.2 Function block
The Indications function has no function block of it’s own.
12.5.3 Signals
12.5.3.1 Input signals
The Indications function logs the same binary input signals as the Disturbance report
function.
12.5.4 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.
1MRK 511 287-UUS A Section 12
Monitoring
489
Technical manual