x F60 Feeder Protection System GE MultilinINDEXUUL APPROVAL ................................................................. 2-31UNABLE TO ACCESS DEVICE ......................................... 1-14UNABLE TO PUT RELAY IN FLASH MODE ......................... 4-2UNAUTHORIZED ACCESScommands ..................................................................... 5-26resetting .......................................................................... 7-2UNAUTHORIZED FIRMWARE ATTEMPT MESSAGE ......... 7-12UNAUTHORIZED SETTING WRITE MESSAGE ................. 7-12UNDERFREQUENCYFlexLogic operands ...................................................... 5-154logic ............................................................................ 5-238settings ....................................................................... 5-238specifications................................................................. 2-21UNDERVOLTAGEauxiliary ........................................................................ 2-20phase ................................................................. 2-20, 5-219UNDERVOLTAGE CHARACTERISTICS .......................... 5-218UNEXPECTED RESTART ERROR .................................... 7-11UNINSTALL ..................................................................... 10-8UNIT NOT PROGRAMMED ...................................... 5-100, 7-7UNPACKING THE RELAY ................................................... 1-2UNRETURNED MESSAGES ALARM ................................. 5-98UPDATING ORDER CODE ................................................. 7-3URPCsee entry for ENERVISTA UR SETUPUSER-DEFINABLE DISPLAYSexample ........................................................................ 5-91invoking and scrolling .................................................... 5-89Modbus registers ..................................................B-30, B-36settings ................................................................ 5-89, 5-91specifications................................................................. 2-23USER-PROGRAMMABLE LEDsdefaults ......................................................................... 4-17description............................................................ 4-15, 4-16Modbus registers ...........................................................B-33settings ......................................................................... 5-79specifications................................................................. 2-23USER-PROGRAMMABLE PUSHBUTTONSFlexLogic operands ...................................................... 5-155Modbus registers ..................................................B-37, B-47settings ......................................................................... 5-83specifications................................................................. 2-23USER-PROGRAMMABLE SELF TESTSModbus registers ...........................................................B-35settings ......................................................................... 5-80USERST-1 BIT PAIR ...................................................... 5-296VVAR-HOURS ........................................................... 2-24, 6-20VIBRATION TESTING ...................................................... 2-30VIRTUAL INPUTSactual values ................................................................... 6-4commands ...................................................................... 7-1FlexLogic operands ...................................................... 5-154logic ............................................................................ 5-288Modbus registers .................................................... B-9, B-64settings ........................................................................ 5-288VIRTUAL OUTPUTSactual values ................................................................... 6-6FlexLogic operands ...................................................... 5-154Modbus registers ........................................................... B-65settings ........................................................................ 5-292VOLTAGE BANKS .......................................................... 5-103VOLTAGE DEVIATIONS ...................................................2-30VOLTAGE ELEMENTS .................................................... 5-218VOLTAGE HARMONICS ...................................................6-22VOLTAGE METERINGspecifications .................................................................2-24values ............................................................................6-18VOLTAGE RESTRAINT CHARACTERISTIC ..................... 5-177VOLTS PER HERTZactual values ..................................................................6-26VT FUSE FAILURElogic ............................................................................ 5-278settings ........................................................................ 5-277VT INPUTS ..................................................... 3-12, 5-6, 5-103VTFFFlexLogic operands ...................................................... 5-153see VT FUSE FAILUREWWARNINGS ....................................................................... 1-1WARRANTY ...................................................................... H-8WATT-HOURS ......................................................... 2-24, 6-20WATTMETRIC ZERO-SEQUENCE DIRECTIONALactual values ..................................................................6-25FlexLogic operands ...................................................... 5-154settings ........................................................................ 5-190specifications .................................................................2-20WEB SERVER PROTOCOL ...............................................5-56WEBSITE .......................................................................... 1-2WIRE SIZECT/VT ............................................................................3-11G.703 and fiber interface ................................................3-34G.703 interface ..............................................................3-29RS422 and fiber interface ...............................................3-34RS422 interface .............................................................3-32WITHDRAWAL FROM OPERATION ...................................10-8ZZERO SEQUENCE CORE BALANCE .................................3-12