CHAPTER 3: INTERFACES FRONT CONTROL PANEL INTERFACE
350 FEEDER PROTECTION SYSTEM – INSTRUCTION MANUAL 3–7
LED status indicators - Front panel with programmable LEDs
• IN SERVICE: Green
This LED will be continuously “ON”, when the relay is set to “Ready” under S1 RELAY
SETUP > INSTALLATION > RELAY STATUS
, and no major self-test errors have been
detected.
• TROUBLE: Orange
This LED will turn “ON”, when the relay is not programmed (Not Ready) state under S1
RELAY SETUP > INSTALLATION > RELAY STATUS
, or upon detection of a major self-test
error. The relay will turn back to “IN-SERVICE” if no major self-test error is present.
• TRIP: Red
This indicator turns on when the relay detects a fault and sends a trip command to
the trip output relay. The LED will reset by initiating a reset command from either the
RESET pushbutton Breaker Control, or communications; in all cases after the fault
condition has cleared.
• ALARM: Orange
This LED will flash upon detection of an alarm condition, with element functions
selected as “alarm”. The LED will automatically turn off if the alarm condition clears.
The LED will remain steady “ON”, if the function of the operated protection was
selected as "latched alarm".
• LED 1: Red - programmable source signal and type
• LED 2: Orange - programmable source signal and type
• LED 3: Orange - programmable source signal and type
• LED 4: Orange - programmable source signal and type
• LED 5: Red/Orange/Green/Off - programmable source signal, type, and color
• LED 6: Red/Orange/Green/Off - programmable source signal, type, and color
• LED 7: Red/Orange/Green/Off - programmable source signal, type, and color
• LED 8: Red/Orange/Green/Off - programmable source signal, type, and color
NOTE:
Refer to M7 Testing for information on testing LED status indicators.
898866A1.CDR
OR
AND
LED: TRIP
RESET (comand)
TRIP (from any el;ement set tp TRIP)
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