GE Multilin 745 Communications Manual page 27

CHAPTER 2: MODBUS PROTOCOL
Table 2–4: 745 memory map (Sheet 9 of 56)
Addr Description
023A Frequency decay rate 4 flag
023B Overfrequency flag
023C Fifth harmonic level flag
023D Volts-per-hertz 1 flag
023E Volts-per-hertz 2 flag
023F Winding 1 THD level flag
0240 Winding 2 THD level flag
0241 Winding 3 THD level flag
0242 Winding 1 harmonic derating flag
0243 Winding 2 harmonic derating flag
0244 Winding 3 harmonic derating flag
0245 Hottest-spot temperature limit flag
0246 Loss-of-life limit flag
0247 Analog input level 1 flag
0248 Analog input level 2 flag
0249 Winding 1 current demand flag
024A Winding 2 current demand flag
024B Winding 3 current demand flag
024C Transformer overload flag
024D Aging factor limit flag
024E Tap changer failure flag
024F Reserved
0250 Reserved
↓ ↓
025F Reserved
Input/output flags
0260 Logic input assert flags
0261 Virtual input assert flags
0262 Output relay operate flags
0263 Virtual output operate flags
0264 Timer operate flags
0265 Reserved
0266 Reserved
↓ ↓
027F Reserved
Winding 1 current
0280 Winding 1 phase A current magnitude
0281 Winding 1 phase A current angle
0282 Winding 1 phase B current magnitude
0283 Winding 1 phase B current angle
0284 Winding 1 phase C current magnitude
0285 Winding 1 phase C current angle
0286 Winding 1 neutral current magnitude
0287 Winding 1 neutral current angle
0288 Winding 1 ground current magnitude
0289 Winding 1 ground current angle
028A Winding 1 loading
745 TRANSFORMER PROTECTION SYSTEM – COMMUNICATIONS GUIDE
Range Step Units
--- --- ---
--- --- ---
--- --- ---
--- --- ---
--- --- ---
--- --- ---
--- --- ---
--- --- ---
--- --- ---
--- --- ---
--- --- ---
--- --- ---
--- --- ---
--- --- ---
--- --- ---
--- --- ---
--- --- ---
--- --- ---
--- --- ---
--- --- ---
--- --- ---
↓ ↓ ↓
--- --- ---
--- --- ---
--- --- ---
--- --- ---
--- --- ---
↓ ↓ ↓
--- --- A
0 --- ° Lag
--- --- A
0 to 359 1 ° Lag
--- --- A
0 to 359 1 ° Lag
--- --- A
0 to 359 1 ° Lag
--- --- A
0 to 359 1 ° Lag
0 to 999 1 % rated
MODBUS PROTOCOL
Format Default
F52 ---
F52 ---
F52 ---
F52 ---
F52 ---
F52 ---
F52 ---
F52 ---
F52 ---
F52 ---
F52 ---
F52 ---
F52 ---
F52 ---
F52 ---
F52 ---
F52 ---
F52 ---
F52 ---
F52 ---
F52 ---
↓ ↓
F56 ---
F56 ---
F57 ---
F59 ---
F61 ---
↓ ↓
F78 ---
F1 ---
F78 ---
F1 ---
F78 ---
F1 ---
F78 ---
F1 ---
F81 ---
F1 ---
F1 ---
2–21