Faceplate InterfaceInterfaces469Motor Management Relayhttp://www.GEindustrial.com/multilin 4–1GE Multilin4 InterfacesFaceplate InterfaceDescription The front panel provides local operator interface with a liquid crystal display, LEDstatus indicators, control keys, and program port. The display and status indicatorsupdate alarm and status information automatically. The control keys are used toselect the appropriate message for entering setpoints or displaying measuredvalues. The RS232 program port is also provided for connection with a computerrunning the EnerVista 469 Setup software.Display The 40-character liquid crystal display allows visibility under varied lightingconditions. While the keypad and display are not being used, the screen will displaysystem information by scrolling through a maximum of 20 user-selected defaultmessages. These default messages will only appear after a user programmed periodof inactivity. Pressing any key during default message scrolling will return thedisplay to the last message shown before the default messages appeared. Any trip,alarm, or start block is displayed immediately, automatically overriding the defaultmessages.LED Indicators There are three groups of LED indicators. They are 469 Status, Motor Status, andOutput Relays.FIGURE 4–1: 469 LED INDICATORSa) 469 Status LED Indicators• 469 IN SERVICE: This LED indicates that control power is applied, allmonitored inputs/outputs and internal systems are OK, the 469 has beenprogrammed, and the 469 is in protection mode, not simulation mode. This LEDflashes when the 469 is in simulation or testing mode.806977A1.CDR