GE Power Management 745 Transformer Management Relay 8-17
8 COMMUNICATIONS 8.3 MODBUS MEMORY MAP
8
8.3 MODBUS MEMORY MAP 8.3.1 745 MEMORY MAP
Table 8–6: 745 MEMORY MAP (Sheet 1 of 57)
GROUP ADDR
(HEX)
DESCRIPTION RANGE STEP
VALUE
UNITS FORMAT
CODE
FACTORY
DEFAULT
Product ID (Addresses 0000 to 007F) - Read Only
PRODUCT ID 0000 GE Product Device Code --- --- --- F1 33 = 745
0001 Hardware Revision --- --- --- F13 4 = D
0002 Software Revision --- --- --- F14 200
0003 Version Number 000 to 999 001 --- F1 000
0004 Bootware Revision 000 to 999 001 --- F14 120
0005 Installed Options --- --- --- F15 ---
0006 Serial Number (4 registers) --- --- --- F33 "A0000000"
000A Manufacture Date (2 registers) --- --- --- F23 ---
000C Reserved
↓↓ ↓
↓↓↓ ↓
001F Reserved
Upgrade Options (Addresses 0020 to 002F) - Read / Write
MODIFY
OPTIONS
0020 New Options --- --- --- F15 ---
0021 Modify Passcode --- --- --- F33 ---
0022 Reserved
↓↓ ↓
↓↓↓ ↓
007F Reserved
Commands (Addresses 0080 to 00FF) - Read / Write
COMMANDS 0080 Command Operation Code --- --- --- F19 ---
0081 Passcode Access (4 registers) --- --- --- F33 ---
0085 Change Passcode (4 registers) --- --- --- F33 ---
0089 Reserved
↓↓ ↓
↓↓↓ ↓
008F Reserved
VIRTUAL
INPUTS
0090 Virtual Input 1 Programmed State --- --- --- F43 0
0091 Virtual Input 2 Programmed State --- --- --- F43 0
0092 Virtual Input 3 Programmed State --- --- --- F43 0
0093 Virtual Input 4 Programmed State --- --- --- F43 0
0094 Virtual Input 5 Programmed State --- --- --- F43 0
0095 Virtual Input 6 Programmed State --- --- --- F43 0
0096 Virtual Input 7 Programmed State --- --- --- F43 0
0097 Virtual Input 8 Programmed State --- --- --- F43 0
0098 Virtual Input 9 Programmed State --- --- --- F43 0
0099 Virtual Input 10 Programmed State --- --- --- F43 0
009A Virtual Input 11 Programmed State --- --- --- F43 0
009B Virtual Input 12 Programmed State --- --- --- F43 0