viii D30 Line Distance Protection System GE MultilinINDEXmetering ........................................................................ 6-14Modbus registers ...........................................................B-29settings ................................................................ 5-80, 5-81SPECIFICATIONS .............................................................. 2-9STANDARD ABBREVIATIONS .......................................... F-13STATUS INDICATORS ............................................ 4-14, 4-16STEPPED DISTANCE SCHEME ....................................... 10-2STORAGE TEMPERATURE .............................................. 2-18SUB-HARMONIC STATOR GROUND FAULTFlexLogic operands ...................................................... 5-103SUMMATORModbus registers ...........................................................B-42SURGE IMMUNITY .......................................................... 2-19SYMMETRICAL COMPONENTS METERING ..................... 6-12SYNCHROCHECKactual values ................................................. 6-9, 6-17, 6-18FlexLogic operands ...................................................... 5-104logic ............................................................................ 5-194Modbus registers ..................................................B-15, B-67settings .............................................................5-191, 5-192specifications................................................................. 2-12SYNCHROPHASORScommands ....................................................................... 7-3SYSTEM FREQUENCY .................................................... 5-79SYSTEM SETUP .............................................................. 5-78TTARGET MESSAGES ......................................................... 7-5TARGET SETTING ............................................................. 5-5TARGETS MENU ............................................................... 7-5TCP PORT NUMBER ........................................................ 5-42TELEPROTECTIONactual values ................................................................... 6-4clearing counters ............................................................. 7-2FlexLogic operands ...................................................... 5-104logic ............................................................................ 5-230Modbus registers ..................................................B-46, B-47overview ...................................................................... 5-229settings .................................................... 5-75, 5-229, 5-230specifications................................................................. 2-15TEMPERATURE MONITOR ..................................... 5-106, 7-9TERMINALS ....................................................................... 3-8TESTINGforce contact inputs ..................................................... 5-240force contact outputs ................................................... 5-241lamp test ......................................................................... 7-3self-test error messages ................................................... 7-5THERMAL OVERLOAD PROTECTIONModbus registers ...........................................................B-40settings ....................................................................... 5-212specifications................................................................. 2-13TIME ................................................................................. 7-2TIME OVERCURRENTsee PHASE, NEUTRAL, and GROUND TOC entriesTIMERS ......................................................................... 5-113TOCground ......................................................................... 5-165neutral ......................................................................... 5-158phase .......................................................................... 5-152specifications................................................................. 2-10TRACEABILITYdata ..................................................................... 4-11, 4-12overview ........................................................................ 4-10rules .............................................................................. 4-12TRACKING FREQUENCY ........................................ 6-17, B-42TRANSDUCER I/Oactual values ..................................................................6-19settings ............................................................. 5-233, 5-234specifications .................................................................2-15wiring .............................................................................3-20TRIP BUSFlexLogic operands ...................................................... 5-104Modbus registers ........................................................... B-43settings ........................................................................ 5-182TRIP LEDs .......................................................................5-55TROUBLE INDICATOR ..............................................1-17, 7-5UUL APPROVAL .................................................................2-20UNAUTHORIZED ACCESScommands .....................................................................5-19resetting ......................................................................... 7-2UNDERVOLTAGEauxiliary .........................................................................2-12phase ................................................................. 2-12, 5-176UNDERVOLTAGE CHARACTERISTICS ........................... 5-174UNEXPECTED RESTART ERROR ..................................... 7-9UNIT NOT PROGRAMMED ........................................5-76, 7-6UNPACKING THE RELAY .................................................. 1-1UNRETURNED MESSAGES ALARM .................................5-74UPDATING ORDER CODE ................................................. 7-3URPCsee entry for ENERVISTA UR SETUPUSER-DEFINABLE DISPLAYSexample .........................................................................5-67invoking and scrolling .....................................................5-65Modbus registers .................................................. B-24, B-29settings ................................................................. 5-65, 5-67specifications .................................................................2-13USER-PROGRAMMABLE LEDscustom labeling ..............................................................4-22defaults..........................................................................4-16description ............................................................ 4-15, 4-16Modbus registers ........................................................... B-27settings ..........................................................................5-55specifications .................................................................2-13USER-PROGRAMMABLE PUSHBUTTONSFlexLogic operands ...................................................... 5-106Modbus registers .................................................. B-30, B-41settings ..........................................................................5-59specifications .................................................................2-13USER-PROGRAMMABLE SELF TESTSModbus registers ........................................................... B-28settings ..........................................................................5-56USERST-1 BIT PAIR ....................................................... 5-225VVIBRATION TESTING .......................................................2-19VIRTUAL INPUTSactual values ................................................................... 6-3commands ...................................................................... 7-1FlexLogic operands ...................................................... 5-105logic ............................................................................ 5-218Modbus registers .................................................... B-9, B-55settings ........................................................................ 5-218VIRTUAL OUTPUTSactual values ................................................................... 6-5FlexLogic operands ...................................................... 5-105