GE 489 Communications Guide

489 GENERATOR MANAGEMENT RELAY – COMMUNICATIONS GUIDE 13
CG.3.5 Dual Setpoints
Each communications port can individually select an Edit Setpoint Group of interest by
writing address 1342h. This way the front port, rear port and auxiliary port can read and
alter different setpoints simultaneously.
CG.3.6 Passcode Operation
Each communications port can individually set the Passcode Access by writing address
88h with the correct Passcode. This way the front port, rear port and auxiliary port have
individual access to the setpoints. Reading address 0203h,
COMMUNICATIONS SETPOINT
ACCESS
register, provides the user with the current state of access for the given port. A
value of 1 read from this register indicates that the user has full access rights to changing
setpoints from the given port.
CG.3.7 489 Memory Map
The 489 memory map is shown in the following table.
Table CG–1: 489 Memory Map (Sheet 1 of 30)
ADDR Name RANGE STEP UNITS FORMAT DEFAULT
PRODUCT ID
0000 GE Multilin Product Device Code N/A N/A N/A F1 32
0001 Product Hardware Revision 1 to 26 1 N/A F15 N/A
0002 Product Software Revision N/A N/A N/A F16 N/A
0003 Product Modification Number 0 to 999 1 N/A F1 N/A
0010 Boot Program Revision N/A N/A N/A F16 N/A
0011 Boot Program Modification Number 0 to 999 1 N/A F1 N/A
MODEL ID
0040 Order Code 0 to 16 1 N/A F22 N/A
0050 489 Revision 12 1 N/A F22 N/A
0060 489 Boot Revision 12 1 N/A F22 N/A
COMMANDS
0080 Command Function Code (always 5) 5 N/A N/A F1 N/A
0081 Command Operation Code 0 to 65535 1 N/A F1 N/A
0088 Communications Port Passcode 0 to 99999999 1 N/A F12 0
00F0 Time (Broadcast) N/A N/A N/A F24 N/A
00F2 Date (Broadcast) N/A N/A N/A F18 N/A
USER_MAP / USER MAP VALUES
0100 User Map Value #1 of 125... N/A N/A N/A F1 N/A
017C User Map Value #125 of 125 N/A N/A N/A F1 N/A
USER_MAP / USER MAP ADDRESSES
0180 User Map Address #1 of 125 0 to 3FFF 1 hex F1 200
0181 User Map Address #2 of 125 0 to 3FFF 1 hex F1 201
0182 User Map Address #3 of 125 0 to 3FFF 1 hex F1 202
... ... ... ... ... ... ...
01FC User Map Address #125 of 125 0 to 3FFF 1 hex F1 27C
STATUS / GENERATOR STATUS
0200 Generator Status 0 to 4 1 – F133 1
0201 Generator Thermal Capacity Used 0 to 100 1 % F1 0
0202 Estimated Trip Time On Overload
0 to 65535
*
1sF12 –1
0203 Communications Setpoint Access 0 to 1 N/A N/A F126 N/A
1, 2, 3 See Table footnotes on page page 42

GE 489 Specifications

General

Brand	GE
Model	489
Category	Relays
Language	English