GE D60 Instruction Manual page 9

A. FLEXANALOG
PARAMETERS
B. MODBUS
COMMUNICATIONS
C. IEC 61850
COMMUNICATIONS
GE Multilin
TABLE OF CONTENTS
9.1.2 IMPACT OF MEMORY POLARIZATION ........................................................... 9-1
9.1.3 HIGH-SET OVERCURRENT ELEMENTS ......................................................... 9-1
9.2 DISTANCE ELEMENTS (STEPPED DISTANCE SCHEME)
9.2.1 PHASE DISTANCE............................................................................................ 9-2
9.2.2 GROUND DISTANCE ........................................................................................ 9-3
9.3 PROTECTION SIGNALING SCHEMES
9.3.1 OVERVIEW........................................................................................................ 9-6
9.3.2 DIRECT UNDER-REACHING TRANSFER TRIP (DUTT) ................................. 9-6
9.3.3 PERMISSIVE UNDER-REACHING TRANSFER TRIP (PUTT) ......................... 9-6
9.3.4 PERMISSIVE OVER-REACHING TRANSFER TRIP (POTT) ........................... 9-6
9.3.5 HYBRID POTT SCHEME (HYB-POTT) ............................................................. 9-7
9.3.6 DIRECTIONAL COMPARISON BLOCKING ...................................................... 9-8
9.4 SERIES COMPENSATED LINES
9.4.1 INTRODUCTION................................................................................................ 9-9
9.4.2 DISTANCE ......................................................................................................... 9-9
9.4.3 GROUND DIRECTIONAL OVERCURRENT ................................................... 9-10
9.4.4 HIGH-SET PHASE OVERCURRENT .............................................................. 9-10
9.5 PHASE DISTANCE THROUGH POWER TRANSFORMERS
9.5.1 PHASE DISTANCE PROTECTION ................................................................. 9-11
9.5.2 EXAMPLE ........................................................................................................ 9-12
A.1 FLEXANALOG PARAMETER LIST
B.1 MODBUS RTU PROTOCOL
B.1.1 INTRODUCTION................................................................................................B-1
B.1.2 PHYSICAL LAYER.............................................................................................B-1
B.1.3 DATA LINK LAYER............................................................................................B-1
B.1.4 CRC-16 ALGORITHM........................................................................................B-2
B.2 FUNCTION CODES
B.2.1 SUPPORTED FUNCTION CODES ...................................................................B-3
B.2.2 READ ACTUAL VALUES OR SETTINGS (FUNCTION CODE 03/04H) ...........B-3
B.2.3 EXECUTE OPERATION (FUNCTION CODE 05H) ...........................................B-4
B.2.4 STORE SINGLE SETTING (FUNCTION CODE 06H) .......................................B-4
B.2.5 STORE MULTIPLE SETTINGS (FUNCTION CODE 10H) ................................B-5
B.2.6 EXCEPTION RESPONSES ...............................................................................B-5
B.3 FILE TRANSFERS
B.3.1 OBTAINING RELAY FILES VIA MODBUS ........................................................B-6
B.3.2 MODBUS PASSWORD OPERATION ...............................................................B-7
B.4 MEMORY MAPPING
B.4.1 MODBUS MEMORY MAP .................................................................................B-8
B.4.2 DATA FORMATS .............................................................................................B-55
C.1 INTRODUCTION
C.1.1 OVERVIEW........................................................................................................C-1
C.1.2 COMMUNICATION PROFILES .........................................................................C-1
C.1.3 MMS PROTOCOL..............................................................................................C-1
C.1.4 PEER-TO-PEER COMMUNICATION ................................................................C-1
C.1.5 FILE SERVICES ................................................................................................C-1
C.1.6 COMMUNICATION SOFTWARE UTILITIES .....................................................C-2
C.1.7 NON-IEC 61850 DATA ......................................................................................C-2
C.1.8 TCP CONNECTION TIMING .............................................................................C-2
C.1.9 LOGICAL NODE MMXU DATA MAPPING ........................................................C-2
C.1.10 LOGICAL NODE GGIO DATA MAPPING..........................................................C-2
C.1.11 OTHER LOGICAL NODE MAPPING .................................................................C-2
D60 Line Distance Relay ix