GE Multilin F60 Feeder Protection System ixTABLE OF CONTENTS8.1.3 RANDOMNESS ALGORITHM ........................................................................... 8-28.1.4 EXPERT ARC DETECTOR ALGORITHM ......................................................... 8-28.1.5 SPECTRAL ANALYSIS ALGORITHM ............................................................... 8-28.1.6 LOAD EVENT DETECTOR ALGORITHM ......................................................... 8-28.1.7 LOAD ANALYSIS ALGORITHM ........................................................................ 8-38.1.8 LOAD EXTRACTION ALGORITHM................................................................... 8-38.1.9 ARC BURST PATTERN ANALYSIS ALGORITHM............................................ 8-38.1.10 ARCING SUSPECTED ALGORITHM................................................................ 8-38.1.11 OVERCURRENT DISTURBANCE MONITORING ............................................ 8-38.1.12 HI-Z EVEN HARMONIC RESTRAINT ALGORITHM ......................................... 8-38.1.13 HI-Z VOLTAGE SUPERVISION ALGORITHM .................................................. 8-48.2 FAULT LOCATOR8.2.1 FAULT TYPE DETERMINATION....................................................................... 8-59. COMMISSIONING 9.1 TESTING9.1.1 TESTING UNDERFREQUENCY AND OVERFREQUENCY ELEMENTS......... 9-1A. FLEXANALOGPARAMETERSA.1 PARAMETER LISTA.1.1 FLEXANALOG LIST...........................................................................................A-1B. MODBUSCOMMUNICATIONSB.1 MODBUS RTU PROTOCOLB.1.1 INTRODUCTION................................................................................................B-1B.1.2 PHYSICAL LAYER.............................................................................................B-1B.1.3 DATA LINK LAYER............................................................................................B-1B.1.4 CRC-16 ALGORITHM........................................................................................B-2B.2 MODBUS FUNCTION CODESB.2.1 SUPPORTED FUNCTION CODES ...................................................................B-3B.2.2 READ ACTUAL VALUES OR SETTINGS (FUNCTION CODE 03/04H) ...........B-3B.2.3 EXECUTE OPERATION (FUNCTION CODE 05H) ...........................................B-4B.2.4 STORE SINGLE SETTING (FUNCTION CODE 06H) .......................................B-4B.2.5 STORE MULTIPLE SETTINGS (FUNCTION CODE 10H) ................................B-5B.2.6 EXCEPTION RESPONSES ...............................................................................B-5B.3 FILE TRANSFERSB.3.1 OBTAINING RELAY FILES VIA MODBUS ........................................................B-6B.3.2 MODBUS PASSWORD OPERATION ...............................................................B-8B.4 MEMORY MAPPINGB.4.1 MODBUS MEMORY MAP .................................................................................B-9B.4.2 DATA FORMATS .............................................................................................B-60C. IEC 61850COMMUNICATIONSC.1 OVERVIEWC.1.1 INTRODUCTION................................................................................................C-1C.1.2 COMMUNICATION PROFILES .........................................................................C-1C.2 SERVER DATA ORGANIZATIONC.2.1 OVERVIEW........................................................................................................C-2C.2.2 GGIO1: DIGITAL STATUS VALUES .................................................................C-2C.2.3 GGIO2: DIGITAL CONTROL VALUES ..............................................................C-2C.2.4 GGIO3: DIGITAL STATUS AND ANALOG VALUES FROM RECEIVED GOOSEDATAC-2C.2.5 GGIO4: GENERIC ANALOG MEASURED VALUES.........................................C-2C.2.6 MMXU: ANALOG MEASURED VALUES...........................................................C-3C.2.7 PROTECTION AND OTHER LOGICAL NODES ...............................................C-3C.3 SERVER FEATURES AND CONFIGURATIONC.3.1 BUFFERED/UNBUFFERED REPORTING ........................................................C-5