Table Of Contents - GE Multilin 745 Communications Manual

1: OVERVIEW
2: MODBUS PROTOCOL
3: DNP PROTOCOL
745 TRANSFORMER PROTECTION SYSTEM - COMMUNICATIONS GUIDE

Table of Contents

DESCRIPTION ..................................................................................................................................... 1
P .......................................................................................................................... 1
ROTOCOLS
P .................................................................................................................. 1
HYSICAL LAYER
OVERVIEW ........................................................................................................................................... 1
GE M
ULTILIN MODBUS IMPLEMENTATION
E
LECTRICAL INTERFACE
D
ATA FRAME FORMAT AND DATA RATE
D
ATA PACKET FORMAT
CRC-16
ALGORITHM
M ................................................................................................................. 4
ESSAGE TIMING
MODBUS FUNCTIONS .................................................................................................................... 4
S M
UPPORTED ODBUS FUNCTIONS
R
EAD ACTUAL VALUES OR SETPOINTS
E
XECUTE OPERATION
S
TORE SINGLE SETPOINT
S
TORE MULTIPLE SETPOINTS
E
XCEPTION RESPONSES
R
EADING THE EVENT RECORDER
R
EADING TRACE MEMORY
A
CCESSING DATA VIA THE USER MAP
F
UNCTION CODE SUBSTITUTIONS
MODBUS MEMORY MAP ............................................................................................................... 12
M
EMORY MAP ORGANIZATION
745
MEMORY MAP
M
EMORY MAP DATA FORMATS
OVERVIEW ........................................................................................................................................... 1
D
EVICE PROFILE DOCUMENT
I
MPLEMENTATION TABLE
DNP POINT LISTS .............................................................................................................................. 4
B /
INARY INPUT BINARY INPUT CHANGE
B /
INARY OUTPUT CONTROL RELAY OUTPUT BLOCK
A /
NALOG INPUT ANALOG INPUT CHANGE
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TABLE OF CONTENTS
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