GE 745 TRANSFORMER MANAGEMENT RELAY Instruction Manual page 241

8 COMMUNICATIONS
Table 8–6: 745 MEMORY MAP (Sheet 15 of 57)
GROUP ADDR DESCRIPTION
(HEX)
CURRENT 0456 Winding 1 Phase C Current Demand
DEMAND
0457 Winding 1 Max Current Demand
continued
0458 Winding 1 Max Current Demand Phase
0459 Wdg 1 Max Current Demand Date (2 registers)
045B Wdg 1 Max Current Demand Time (2 registers)
045D Winding 2 Phase A Current Demand
045E Winding 2 Phase B Current Demand
045F Winding 2 Phase C Current Demand
0460 Winding 2 Max Current Demand
0461 Winding 2 Max Current Demand Phase
0462 Wdg 2 Max Current Demand Date (2 registers)
0464 Wdg 2 Max Current Demand Time (2 registers)
0466 Winding 3 Phase A Current Demand
0467 Winding 3 Phase B Current Demand
0468 Winding 3 Phase C Current Demand
0469 Winding 3 Max Current Demand
046A Winding 3 Max Current Demand Phase
046B Wdg 3 Max Current Demand Date (2 registers)
046D Wdg 3 Max Current Demand Time (2 registers)
046F Reserved
↓
0477 Reserved
AMBIENT 0478 Ambient Temperature
TEMP
0479 Reserved
↓
047F Reserved
LOSS-OF-LIFE 0480 Hottest-spot Winding Temperature
0481 Total Accumulated Loss-of-Life (2 registers)
0483 Aging Factor
↓
0487 Reserved
ANALOG 0488 Analog Input
INPUT
0489 Reserved
↓
048F Reserved
POWER 0490 W1 Real Power
0491 W1 Reactive Power
0492 W1 Apparent Power
GE Power Management
RANGE
↓
–51 to 251
↓
–50 to 300
0 to 200000
0.0 to 2000.0
↓
0 to 65000
↓
–32000 to 32000
–32000 to 32000
0 to 32000
745 Transformer Management Relay
8.3 MODBUS MEMORY MAP
STEP UNITS FORMAT
VALUE
--- --- A
--- --- A
--- --- ---
--- --- ---
--- --- ---
--- --- A
--- --- A
--- --- A
--- --- A
--- --- ---
--- --- ---
--- --- ---
--- --- A
--- --- A
--- --- A
--- --- A
--- --- ---
--- --- ---
--- --- ---
↓ ↓ ↓
1 °C
↓ ↓ ↓
1 °C
1 hours
0.1 -
↓ ↓ ↓
1 <Units>
↓ ↓ ↓
--- MW
--- Mvar
--- MVA
FACTORY
CODE DEFAULT
F78 ---
F78 0 A
F18 0 = phase A
F23 Jan 01 1996
F22 00:00:00.000
F79 ---
F79 ---
F79 ---
F79 0 A
F18 0 = phase A
F23 Jan 01 1996
F22 00:00:00.000
F80 ---
F80 ---
F80 ---
F80 0 A
F18 0 = phase A
F23 Jan 01 1996
F22 00:00:00.000
↓ ↓
F4 ---
↓ ↓
F4 ---
F7 0 hours
8
F2 -
↓ ↓
F1 ---
↓ ↓
F93 ---
F93 ---
F93 ---
8-31