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5.1.4
Local HMI functionality
5.1.4.1
Protection and alarm indication
Protection indicators
The protection indicator LEDs are Normal, Pickup and Trip.
Table 4:
Normal LED (green)
LED state
Description
Off
Auxiliary supply voltage is disconnected.
On
Normal operation.
Flashing
Internal fault has occurred.
Table 5:
PickUp LED (yellow)
LED state
Description
Off
Normal operation.
On
A protection function has picked up and an indication message is displayed.
•
If several protection functions Pickup within a short time, the last Pickup is
indicated on the display.
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 6:
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.
Section 5
1MRK 511 286-UUS A
Local human-machine interface
82
Application manual
Содержание REC650 ANSI
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