GE Multilin 745 Communications Manual page 39

CHAPTER 2: MODBUS PROTOCOL
Table 2–4: 745 memory map (Sheet 21 of 56)
Addr Description
0817 Maximum event winding 2 ground current
0818 Maximum event winding 3 phase A current
0819 Maximum event winding 3 phase B current
081A Maximum event winding 3 phase C current
081B Maximum event winding 3 ground current
081C Reserved
081D Reserved
↓ ↓
082F Reserved
Event recorder data
0830 Event XX date of event (2 registers)
0832 Event XX time of event (2 registers)
0834 Event XX cause of event
0835 Event XX winding 1 phase A current magnitude
0836 Event XX winding 1 phase A current angle
0837 Event XX winding 1 phase B current magnitude
0838 Event XX winding 1 phase B current angle
0839 Event XX winding 1 phase C current magnitude
083A Event XX winding 1 phase C current angle
083B Event XX winding 1 ground current magnitude
083C Event XX winding 1 ground current angle
083D Event XX winding 1 phase A 2nd harmonic
083E Event XX winding 1 phase B 2nd harmonic
083F Event XX winding 1 phase C 2nd harmonic
0840 Event XX winding 1 phase A 5th harmonic
0841 Event XX winding 1 phase B 5th harmonic
0842 Event XX winding 1 phase C 5th harmonic
0843 Event XX winding 2 phase A current magnitude
0844 Event XX winding 2 phase A current angle
0845 Event XX winding 2 phase B current magnitude
0846 Event XX winding 2 phase B current angle
0847 Event XX winding 2 phase C current magnitude
0848 Event XX winding 2 phase C current angle
0849 Event XX winding 2 ground current magnitude
084A Event XX winding 2 ground current angle
084B Event XX winding 2 phase A 2nd harmonic
084C Event XX winding 2 phase B 2nd harmonic
084D Event XX winding 2 phase C 2nd harmonic
084E Event XX winding 2 phase A 5th harmonic
084F Event XX winding 2 phase B 5th harmonic
0850 Event XX winding 2 phase C 5th harmonic
0851 Event XX winding 3 phase A current magnitude
0852 Event XX winding 3 phase A current angle
0853 Event XX winding 3 phase B current magnitude
0854 Event XX winding 3 phase B current angle
0855 Event XX winding 3 phase C current magnitude
0856 Event XX winding 3 phase C current angle
745 TRANSFORMER PROTECTION SYSTEM – COMMUNICATIONS GUIDE
Range Step Units
--- ---
--- ---
--- ---
--- ---
--- ---
↓ ↓
--- --- ---
--- --- ---
--- --- ---
--- ---
0 --- ° Lag
--- ---
0 to 359 1 ° Lag
--- ---
0 to 359 1 ° Lag
--- ---
0 to 359 1 ° Lag
0.0 to 99.9 0.1 % ƒo
0.0 to 99.9 0.1 % ƒo
0.0 to 99.9 0.1 % ƒo
0.0 to 99.9 0.1 % ƒo
0.0 to 99.9 0.1 % ƒo
0.0 to 99.9 0.1 % ƒo
--- ---
0 to 359 1 ° Lag
--- ---
0 to 359 1 ° Lag
--- ---
0 to 359 1 ° Lag
--- ---
0 to 359 1 ° Lag
0.0 to 99.9 0.1 % ƒo
0.0 to 99.9 0.1 % ƒo
0.0 to 99.9 0.1 % ƒo
0.0 to 99.9 0.1 % ƒo
0.0 to 99.9 0.1 % ƒo
0.0 to 99.9 0.1 % ƒo
--- ---
0 to 359 1 ° Lag
--- ---
0 to 359 1 ° Lag
--- ---
0 to 359 1 ° Lag
MODBUS PROTOCOL
Format Default
A F82 0 A
A F80 0 A
A F80 0 A
A F80 0 A
A F83 0 A
↓ ↓ ↓
F23 ---
F22 ---
F24 ---
A F78 0 A
F1 0° Lag
A F78 0 A
F1 0° Lag
A F78 0 A
F1 0° Lag
A F81 0 A
F1 0° Lag
F2 0% ƒo
F2 0% ƒo
F2 0% ƒo
F2 0% ƒo
F2 0% ƒo
F2 0% ƒo
A F79 0 A
F1 0° Lag
A F79 0 A
F1 0° Lag
A F79 0 A
F1 0° Lag
A F82 0 A
F1 0° Lag
F2 0% ƒo
F2 0% ƒo
F2 0% ƒo
F2 0% ƒo
F2 0% ƒo
F2 0% ƒo
A F80 0 A
F1 0° Lag
A F80 0 A
F1 0° Lag
A F80 0 A
F1 0° Lag
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