Local Hmi Functionality; Protection And Alarm Indication - Hitachi Relion 670 Series Applications Manual

Section 5
Local HMI
24 IED status LEDs
5.4

Local HMI functionality

5.4.1

Protection and alarm indication

Protection indicators
The protection Target LEDs are Normal, Pickup and Trip.
Table 8:
LED state
Disabled
Enabled
Flashing/blinking
Table 9:
LED state
Disabled
Enabled
Flashing/blinking
Table 10:
LED state
Disabled
Enabled
Flashing/blinking
74
The yellow and red status LEDs are configured in the digital fault recorder function,
DRPRDRE, by connecting a pickup or trip signal from the actual function to a BxRBDR binary
input function block using the PCM600 and configure the setting to Disabled,Pickup or Trip for
that particular signal.
Normal LED (green)
Description
Auxiliary supply voltage is disconnected.
Normal operation.
Internal fault has occurred.
PickUp LED (yellow)
Description
Normal operation.
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
When IED is in simulation mode, yellow LED remains flashing/blinking
When IED IEC61850 mod value is set other than its normal value, yellow LED remains
flashing/blinking
The IED is in test mode and protection functions are blocked, or the IEC 61850 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 IEC 61850 protocol can be reset in Main
menu/Test/Reset IEC61850 Mod. The yellow LED changes to either Enabled or Disabled
state depending on the state of operation.
Trip LED (red)
Description
Normal operation.
A protection function has tripped. An indication message is displayed if the auto-indication
feature is enabled in the local HMI.
The trip 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
Configuration mode.
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