CHAPTER 4: INTERFACES FRONT PANEL INTERFACEN60 NETWORK STABILITY AND SYNCHROPHASOR MEASUREMENT SYSTEM – INSTRUCTION MANUAL 4-194• PHASE C — Indicates phase C was involved• NEUTRAL/GROUND — Indicates that neutral or ground was involvedUser-programmable indicatorsThe second and third panels provide 48 amber LED indicators whose operation is controlled by the user. Support forapplying a customized label beside every LED is provided.User customization of LED operation is of maximum benefit in installations where languages other than English are usedto communicate with operators. See the User-programmable LEDs section in chapter 5 for the settings used to programthe operation of the LEDs on these panels.Figure 4-20: LED panels 2 and 3 (index template)Default labels for LED panel 2The default labels are intended to represent the following:• GROUP 1...6 — The illuminated GROUP is the active settings group• BREAKER 1(2) OPEN — The breaker is open• BREAKER 1(2) CLOSED — The breaker is closed• BREAKER 1(2) TROUBLE — A problem related to the breaker has been detected• SYNCHROCHECK NO1(2) IN-SYNCH — Voltages have satisfied the synchrocheck elementThe relay is shipped with the default label for the LED panel 2. The LEDs, however, are not pre-programmed. To match thepre-printed label, the LED settings must be entered as shown in the User-programmable LEDs section of chapter 5. TheLEDs are fully user-programmable. The default labels can be replaced by user-printed labels for both panels as explained inthe next section.Figure 4-21: LED panel 2 (default labels)4.2.8 Custom LED labeling4.2.8.1 Enhanced faceplateThe following procedure requires these pre-requisites:USER-PROGRAMMABLE LEDS USER-PROGRAMMABLE LEDS842782A1.CDR842785A1.CDR
