GE D60 Instruction Manual page 10

A. FLEXANALOG AND
FLEXINTEGER
PARAMETERS
B. MODBUS
COMMUNICATIONS
C. IEC 61850
COMMUNICATIONS
x
TABLE OF CONTENTS
10.3 PROTECTION SIGNALING SCHEMES
10.3.1 OVERVIEW ......................................................................................................10-6
10.3.2 DIRECT UNDER-REACHING TRANSFER TRIP (DUTT) ................................10-6
10.3.3 PERMISSIVE UNDER-REACHING TRANSFER TRIP (PUTT)........................10-6
10.3.4 PERMISSIVE OVER-REACHING TRANSFER TRIP (POTT) ..........................10-6
10.3.5 HYBRID POTT SCHEME (HYB-POTT)............................................................10-7
10.3.6 DIRECTIONAL COMPARISON BLOCKING.....................................................10-8
10.3.7 DIRECTIONAL COMPARISON UNBLOCKING ...............................................10-9
10.4 SERIES COMPENSATED LINES
10.4.1 INTRODUCTION ............................................................................................10-11
10.4.2 DISTANCE......................................................................................................10-11
10.4.3 GROUND DIRECTIONAL OVERCURRENT ..................................................10-12
10.4.4 HIGH-SET PHASE OVERCURRENT.............................................................10-12
10.5 PHASE DISTANCE THROUGH POWER TRANSFORMERS
10.5.1 PHASE DISTANCE PROTECTION ................................................................10-13
10.5.2 EXAMPLE .......................................................................................................10-14
A.1 PARAMETER LISTS
A.1.1 FLEXANALOG ITEMS ....................................................................................... A-1
A.1.2 FLEXINTEGER ITEMS .................................................................................... A-10
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 MODBUS 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-9
B.4.2 DATA FORMATS............................................................................................. B-68
C.1 OVERVIEW
C.1.1 INTRODUCTION ............................................................................................... C-1
C.1.2 COMMUNICATION PROFILES ......................................................................... C-1
C.2 SERVER DATA ORGANIZATION
C.2.1 OVERVIEW ....................................................................................................... C-2
C.2.2 GGIO1: DIGITAL STATUS VALUES ................................................................. C-2
C.2.3 GGIO2: DIGITAL CONTROL VALUES.............................................................. C-2
C.2.4 GGIO3: DIGITAL STATUS AND ANALOG VALUES FROM RECEIVED GOOSE
DATAC-2
C.2.5 GGIO4: GENERIC ANALOG MEASURED VALUES......................................... C-2
C.2.6 MMXU: ANALOG MEASURED VALUES .......................................................... C-3
C.2.7 PROTECTION AND OTHER LOGICAL NODES............................................... C-3
C.3 SERVER FEATURES AND CONFIGURATION
C.3.1 BUFFERED/UNBUFFERED REPORTING........................................................ C-5
C.3.2 FILE TRANSFER ............................................................................................... C-5
D60 Line Distance Protection System GE Multilin