The start and trip LEDs are configured via the disturbance recorder.
The yellow and red status LEDs are configured in the disturbance
recorder function, DRPRDRE, by connecting a start or trip signal
from the actual function to a BxRBDR binary input function block
using the PCM600 and configure the setting to Off, Start or Trip for
that particular signal.
Table 11: Ready LED (green)
LED state Description
Off Auxiliary supply voltage is disconnected.
On Normal operation.
Flashing Internal fault has occurred.
Table 12: Start LED (yellow)
LED state Description
Off Normal operation.
On A protection function has started and an indication message is displayed.
• The start indication is latching and must be reset via communication or
by pressing
.
Flashing
A flashing yellow LED has a higher priority than a steady yellow LED.
The IED is in test mode and protection functions are blocked.
• The indication disappears when the IED is no longer in test mode and
blocking is removed.
Table 13: Trip LED (red)
LED state
Description
Off Normal operation.
On A protection function has tripped and an indication message is displayed.
• The trip indication is latching and must be reset via communication or
by pressing
.
Alarm indicators
The 15 programmable three-color LEDs are used for alarm indication. An individual
alarm/status signal, connected to any of the LED function blocks, can be assigned to
one of the three LED colors when configuring the IED.
1MRK 505 291-UEN A Section 5
Local human-machine interface
81
Application manual
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