19 Menu
20 Clear
21 Help
22 Communication port
23 Programmable indication LEDs
24 IED status LEDs
5.4 Local HMI functionality
5.4.1 Protection and alarm indication
Protection indicators
The protection indicator LEDs are Normal, Pickup and Trip.
Table 11: Normal LED (green)
LED state
Description
Off Auxiliary supply voltage is disconnected.
On Normal operation.
Flashing Internal fault has occurred.
Table 12: PickUp LED (yellow)
LED state
Description
Off Normal operation.
On A protection function has picked up and an indication message is displayed.
The pick up indication is latching and must be reset via communication, LHMI
or binary input on the LEDGEN component. To open the reset menu on the
LHMI, press .
Flashing
The IED is in test mode and protection functions are blocked, or the IEC61850
protocol is blocking one or more functions.
The indication disappears when the IED is no longer in test mode and blocking
is removed. The blocking of functions through the IEC61850 protocol can be
reset in Main menu/Test/Reset IEC61850 Mod. The yellow LED changes to
either On or Off state depending on the state of operation.
Section 5 1MRK 506 369-UUS -
Local HMI
106 Line distance protection REL670 2.2 ANSI
Application manual
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