Hitachi Relion 670 Series Applications Manual page 74

Section 5
Local HMI
24 IED status LEDs
5.4 Local HMI functionality
5.4.1 Protection and alarm indication
Protection indicators
The protection indicator LEDs are Ready, Start and Trip.
Table 10:
LED state
OFF
ON
Flashing/blinking
Table 11:
LED state
OFF
ON
Flashing/blinking
Table 12:
LED state
OFF
ON
Flashing/blinking
68
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.
Ready LED (green)
Description
Auxiliary supply voltage is disconnected.
Normal operation.
Internal fault has occurred.
Start LED (yellow)
Description
Normal operation.
A protection function has started and an indication message is displayed.
The start 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 ON or
OFF 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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