Local Hmi Functionality - ABB REL650 Applications Manual

Section 5
Local human-machine interface
5.1.4
5.1.4.1
110

Local HMI functionality

Protection and alarm indication
Protection indicators
The protection indicator LEDs are Normal, Pickup and Trip.
Table 3: Normal LED (green)
LED state
Off
On
Flashing
Table 4: PickUp LED (yellow)
LED state
Off
On
Flashing
Table 5: Trip LED (red)
LED state
Off
On
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.
Description
Auxiliary supply voltage is disconnected.
Normal operation.
Internal fault has occurred.
Description
Normal operation.
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.
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.
Description
Normal operation.
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 .
1MRK 506 334-UUS A
Application manual