GE Multilin 745 Communications Manual page 37

CHAPTER 2: MODBUS PROTOCOL
Table 2–4: 745 memory map (Sheet 19 of 56)
Addr Description
0469 Winding 3 maximum current demand
046A Winding 3 maximum current demand phase
046B Winding 3 maximum current demand date (2 registers)
046D Winding 3 maximum current demand time (2 registers)
046F Reserved
046A Reserved
↓ ↓
0477 Reserved
Ambient temperature
0478 Ambient temperature
0479 Reserved
047A Reserved
↓ ↓
047F Reserved
Loss-of-life
0480 Hottest-spot winding temperature
0481 Total accumulated loss-of-life (2 registers)
0483 Aging factor
0484 Reserved
0485 Reserved
0486 Reserved
0487 Reserved
Analog input
0488 Analog input value
0489 Reserved
048A Reserved
↓ ↓
048F Reserved
Power
0490 Winding 1 real power
0491 Winding 1 reactive power
0492 Winding 1 apparent power
0493 Winding 1 power factor
0494 Winding 2 real power
0495 Winding 2 reactive power
0496 Winding 2 apparent power
0497 Winding 2 power factor
0498 Winding 3 real power
0499 Winding 3 reactive power
049A Winding 3 apparent power
049B Winding 3 power factor
049C Reserved
049D Reserved
049E Reserved
049F Reserved
Winding 1
04A0 Winding 1 real power
745 TRANSFORMER PROTECTION SYSTEM – COMMUNICATIONS GUIDE
Range Step
--- ---
--- ---
--- ---
--- ---
↓ ↓
–51 to 251 1
↓ ↓
–50 to 300 1
0 to 200000 1
0.0 to 2000.0 0.1
0 to 65000 1
↓ ↓
–32000 to 32000 ---
–32000 to 32000 ---
0 to 32000 ---
–1.00 to 1.00 0.01
–32000 to 32000 ---
–32000 to 32000 ---
0 to 32000 ---
–1.00 to 1.00 0.01
–32000 to 32000 ---
–32000 to 32000 ---
0 to 32000 ---
–1.00 to 1.00 0.01
.00001 to 32000 ---
MODBUS PROTOCOL
Units Format Default
A F80 0 A
--- F18 0 = phase A
--- F23 Jan 01 1996
--- F22 00:00:00.000
↓ ↓ ↓
°C F4 ---
↓ ↓ ↓
°C F4 ---
hours F7 0 hours
- F2 -
<Units> F1 ---
↓ ↓ ↓
MW F93 ---
Mvar F93 ---
MVA F93 ---
--- F6 ---
MW F94 ---
Mvar F94 ---
MVA F94 ---
--- F6 ---
MW F95 ---
Mvar F95 ---
MVA F95 ---
--- F6 ---
MW F156 0
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