GE Multilin 745 Communications Manual page 38

MODBUS PROTOCOL
Table 2–4: 745 memory map (Sheet 20 of 56)
Addr Description
04A2 Winding 1 reactive power
04A4 Winding 1 apparent power
Winding 2
04A8 Winding 2 real power
04AA Winding 2 reactive power
04AC Winding 2 apparent power
Winding3
04B0 Winding 3 real power
04B2 Winding 3 reactive power
04B4 Winding 3 apparent power
Energy
0500 Energy clear date
0502 Energy clear time
0504 Winding 1 source watthours
0506 Winding 1 load watthours
0508 Winding 1 source varhours
050A Winding 1 load varhours
050C Winding 2 source watthours
050E Winding 2 load watthours
0510 Winding 2 source varhours
0512 Winding 2 load varhours
0514 Winding 3 source watthours
0516 Winding 3 load watthours
0518 Winding 3 source varhours
051A Winding 3 load varhours
051B Reserved
0513 Reserved
↓ ↓
07FF Reserved
Event recorder (addresses 0800 to 0FFF, read only)
Event recorder
0800 Last clear date (2 registers)
0802 Last clear time (2 registers)
0804 Total number of events since last clear
0805 Event selector index (XX) [read/write]
0806 Reserved
0807 Reserved
↓ ↓
080F Reserved
Maximum event current
0810 Maximum event winding 1 phase A current
0811 Maximum event winding 1 phase B current
0812 Maximum event winding 1 phase C current
0813 Maximum event winding 1 ground current
0814 Maximum event winding 2 phase A current
0815 Maximum event winding 2 phase B current
0816 Maximum event winding 2 phase C current
2–32
Range Step
.00001 to 32000 ---
.00001 to 32000 ---
.00001 to 32000 ---
.00001 to 32000 ---
.00001 to 32000 ---
.00001 to 32000 ---
.00001 to 32000 ---
.00001 to 32000 ---
--- ---
--- ---
--- ---
--- ---
--- ---
--- ---
--- ---
--- ---
--- ---
--- ---
--- ---
--- ---
--- ---
--- ---
↓ ↓
--- ---
--- ---
0 to 65535 1
1 to 65535 1
↓ ↓
--- ---
--- ---
--- ---
--- ---
--- ---
--- ---
--- ---
745 TRANSFORMER PROTECTION SYSTEM – COMMUNICATIONS GUIDE
CHAPTER 2: MODBUS PROTOCOL
Units Format Default
Mvar F156 0
MVA F156 0
MW F156 0
Mvar F156 0
MVA F156 0
MW F156 0
Mvar F156 0
MVA F156 0
--- F23 ---
--- F22 ---
MWh F96 ---
MWh F96 ---
Mvarh F96 ---
Mvarh F96 ---
MWh F97 ---
MWh F97 ---
Mvarh F97 ---
Mvarh F97 ---
MWh F98 ---
MWh F98 ---
Mvarh F98 ---
Mvarh F98 ---
↓ ↓ ↓
--- F23 ---
--- F22 ---
--- F1 0
--- F1 1 = Event 1
↓ ↓ ↓
A F78 0 A
A F78 0 A
A F78 0 A
A F81 0 A
A F79 0 A
A F79 0 A
A F79 0 A