GE Multilin C60 Breaker Protection System viiTABLE OF CONTENTS7.1.8 TARGETS MENU............................................................................................... 7-77.1.9 TARGET MESSAGES ....................................................................................... 7-77.1.10 RELAY SELF-TESTS......................................................................................... 7-78. THEORY OF OPERATION 8.1 FAULT LOCATOR8.1.1 FAULT TYPE DETERMINATION....................................................................... 8-19. MAINTENANCE 9.1 MODULES9.1.1 REPLACE A MODULE....................................................................................... 9-19.2 BATTERIES9.2.1 REPLACE BATTERY......................................................................................... 9-39.2.2 DISPOSE OF BATTERY.................................................................................... 9-59.3 UNINSTALL AND CLEAR FILES AND DATA9.3.1 UNINSTALL AND CLEAR FILES AND DATA.................................................... 9-89.4 REPAIRS9.4.1 REPAIRS ........................................................................................................... 9-99.5 STORAGE9.5.1 STORAGE........................................................................................................ 9-109.6 DISPOSAL9.6.1 DISPOSAL ....................................................................................................... 9-11A. FLEXANALOG ANDFLEXINTEGERPARAMETERSA.1 PARAMETER LISTSA.1.1 FLEXANALOG ITEMS .......................................................................................A-1A.1.2 FLEXINTEGER ITEMS ....................................................................................A-13B. 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 MODBUS RTU CRC-16 ALGORITHM...............................................................B-2B.2 MODBUS FUNCTION CODESB.2.1 SUPPORTED FUNCTION CODES ...................................................................B-4B.2.2 READ ACTUAL VALUES OR SETTINGS (FUNCTION CODE 03/04H) ...........B-4B.2.3 EXECUTE OPERATION (FUNCTION CODE 05H) ...........................................B-5B.2.4 STORE SINGLE SETTING (FUNCTION CODE 06H) .......................................B-5B.2.5 STORE MULTIPLE SETTINGS (FUNCTION CODE 10H) ................................B-6B.2.6 EXCEPTION RESPONSES ...............................................................................B-6B.3 FILE TRANSFERSB.3.1 OBTAINING RELAY FILES VIA MODBUS ........................................................B-7B.4 MEMORY MAPPINGB.4.1 MODBUS MEMORY MAP .................................................................................B-9B.4.2 DATA FORMATS .............................................................................................B-75C. IEC 61850COMMUNICATIONSC.1 OVERVIEWC.1.1 INTRODUCTION................................................................................................C-1C.1.2 COMMUNICATION PROFILES .........................................................................C-1C.1.3 FILE TRANSFER BY IEC 61850 .......................................................................C-2C.2 SERVER DATA ORGANIZATION
