GE Multilin 745 Communications Manual page 74

MODBUS PROTOCOL
Table 2–4: 745 memory map (Sheet 56 of 56)
Addr Description
8165 Force analog output 6 D/A count
8166 Force analog output 7 D/A count
8167 Reserved
8168 Reserved
↓ ↓
819F Reserved
Calibration sample data
81A0 Winding 1 phase A current sample
81A1 Winding 1 phase B current sample
81A2 Winding 1 phase C current sample
81A3 Winding 1/2 ground current sample
81A4 Winding 2 phase A current sample
81A5 Winding 2 phase B current sample
81A6 Winding 2 phase C current sample
81A7 Winding 2/3 ground current sample
81A8 Winding 3 phase A current sample
81A9 Winding 3 phase B current sample
81AA Winding 3 phase C current sample
81AB Voltage sample
81AC Reserved
81AD Reserved
81AE Reserved
81AF Reserved
Calibration ground currents
81B0 Winding 1/2 ground current RMS magnitude
81B1 Winding 2/3 ground current RMS magnitude
81B2 Reserved
81B3 Reserved
↓ ↓
81BF Reserved
2–68
Range Step
0 to 4095 1
0 to 4095 1
↓ ↓
--- ---
--- ---
--- ---
--- ---
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--- ---
--- ---
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--- ---
--- ---
--- ---
--- ---
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↓ ↓
745 TRANSFORMER PROTECTION SYSTEM – COMMUNICATIONS GUIDE
CHAPTER 2: MODBUS PROTOCOL
Units Format Default
--- F1 0
--- F1 0
↓ ↓ ↓
--- F70 ---
--- F70 ---
--- F70 ---
--- F70 ---
--- F70 ---
--- F70 ---
--- F70 ---
--- F70 ---
--- F70 ---
--- F70 ---
--- F70 ---
--- F70 ---
A F81 / F82 ---
A F82 / F83 ---
↓ ↓ ↓