GE 745 TRANSFORMER MANAGEMENT RELAY Instruction Manual page 282

8.3 MODBUS MEMORY MAP
Table 8–6: 745 MEMORY MAP (Sheet 56 of 57)
GROUP ADDR
(HEX)
CALIBRATION 51A0
SAMPLE
51A1
DATA
51A2
51A3
51A4
51A5
51A6
51A7
51A8
51A9
51AA
51AB
51AC
↓
51AF
CALIBRATION 51B0
GROUND
51B1
CURRENTS
51B2
↓
51BF
SERIAL A/D 51C0
COUNTS
51C1
51C2
51C3
51C4
51C5
51C6
51C7
8
51C8
51C9
51CA
51CB
51CC
51CD
51CE
↓
51FF
8-72
DESCRIPTION
Winding 1 Phase A Current Sample
Winding 1 Phase B Current Sample
Winding 1 Phase C Current Sample
Winding 1/2 Ground Current Sample
Winding 2 Phase A Current Sample
Winding 2 Phase B Current Sample
Winding 2 Phase C Current Sample
Winding 2/3 Ground Current Sample
Winding 3 Phase A Current Sample
Winding 3 Phase B Current Sample
Winding 3 Phase C Current Sample
Voltage Sample
Reserved
↓
Reserved
Winding 1/2 Ground Current - RMS Magnitude
Winding 2/3 Ground Current - RMS Magnitude
Reserved
↓
Reserved
20 mA Analog Input Count
1 mA Analog Input Count
RTD High-Gain Count
RTD Low-Gain Count
RTD No-Sensor Count
Tap Position High-Gain Count
Tap Position Low-Gain Count
32V Analog Output Monitor
Internal Temperature Zero Bias
Internal Temperature
Zero Reference
Half-Scale Test
Zero-Scale Test
Full-Scale Test
Reserved
↓
Reserved
745 Transformer Management Relay
8 COMMUNICATIONS
RANGE STEP UNITS
VALUE
--- --- ---
--- --- ---
--- --- ---
--- --- ---
--- --- ---
--- --- ---
--- --- ---
--- --- ---
--- --- ---
--- --- ---
--- --- ---
--- --- ---
↓ ↓ ↓
--- --- A
--- --- A
↓ ↓ ↓
0 to 65535 --- ---
0 to 65535 --- ---
0 to 65535 --- ---
0 to 65535 --- ---
0 to 65535 --- ---
0 to 65535 --- ---
0 to 65535 --- ---
0 to 65535 --- ---
0 to 65535 --- ---
0 to 65535 --- ---
0 to 65535 --- ---
0 to 65535 --- ---
0 to 65535 --- ---
0 to 65535 --- ---
↓ ↓ ↓
FORMAT FACTORY
CODE DEFAULT
F70 ---
F70 ---
F70 ---
F70 ---
F70 ---
F70 ---
F70 ---
F70 ---
F70 ---
F70 ---
F70 ---
F70 ---
↓ ↓
F81 / F82 ---
F82 / F83 ---
↓ ↓
F1 ---
F1 ---
F1 ---
F1 ---
F1 ---
F1 ---
F1 ---
F1 ---
F1 ---
F1 ---
F1 ---
F1 ---
F1 ---
F1 ---
↓ ↓
GE Power Management