Modbus Memory Map - GE 745 TRANSFORMER MANAGEMENT RELAY Instruction Manual

8 COMMUNICATIONS

8.3 MODBUS MEMORY MAP

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