GE 489 Communications Guide

CGTOC TABLE OF CONTENTS
489 GENERATOR MANAGEMENT RELAY – COMMUNICATIONS GUIDE CGTOC–I
Table of Contents
MODBUS PROTOCOL ...................................................................................................................... CG-1
E
LECTRICAL INTERFACE ....................................................................................................... CG-1
M
ODBUS RTU DESCRIPTION ............................................................................................. CG-1
D
ATA FRAME FORMAT AND DATA RATE .......................................................................... CG-2
D
ATA PACKET FORMAT ....................................................................................................... CG-2
CRC-16 A
LGORITHM ......................................................................................................... CG-3
T
IMING .................................................................................................................................. CG-4
MODBUS FUNCTIONS .................................................................................................................... CG-5
S
UPPORTED FUNCTIONS ..................................................................................................... CG-5
F
UNCTION CODES 03/04: READ SETPOINTS / ACTUAL VALUES ................................. CG-5
F
UNCTION CODE 05: EXECUTE OPERATION ................................................................... CG-6
F
UNCTION CODE 06: STORE SINGLE SETPOINT ............................................................. CG-6
F
UNCTION CODE 07: READ DEVICE STATUS .................................................................. CG-7
F
UNCTION CODE 08: LOOPBACK TEST ............................................................................ CG-8
F
UNCTION CODE 16: STORE MULTIPLE SETPOINTS ....................................................... CG-8
F
UNCTION CODE 16: PERFORMING COMMANDS ........................................................... CG-9
E
RROR RESPONSES ............................................................................................................. CG-10
MODBUS MEMORY MAP ............................................................................................................... CG-11
M
EMORY MAP INFORMATION ............................................................................................ CG-11
U
SER-DEFINABLE MEMORY MAP AREA ........................................................................... CG-11
E
VENT RECORDER ............................................................................................................... CG-12
W
AVEFORM CAPTURE ......................................................................................................... CG-12
D
UAL SETPOINTS ................................................................................................................. CG-13
P
ASSCODE OPERATION ....................................................................................................... CG-13
489 M
EMORY MAP ............................................................................................................ CG-13
M
EMORY MAP DATA FORMATS ......................................................................................... CG-42
DNP PROTOCOL ................................................................................................................................ CG-56
D
EVICE PROFILE DOCUMENT ............................................................................................. CG-56
I
MPLEMENTATION TABLE .................................................................................................... CG-57
D
EFAULT VARIATIONS ......................................................................................................... CG-59
DNP POINT LISTS .............................................................................................................................. CG-60
B
INARY INPUT / BINARY INPUT CHANGE (OBJECTS 01/02) ........................................ CG-60
B
INARY / CONTROL RELAY OUTPUT BLOCK (OBJECTS 10/12) ................................... CG-64
B
INARY / FROZEN COUNTER (OBJECTS 20/21) ............................................................. CG-65
A
NALOG INPUT / INPUT CHANGE (OBJECTS 30/32) .................................................... CG-66

GE 489 Specifications

General

Brand	GE
Model	489
Category	Relays
Language	English