GE TRANSFORMER MANAGEMENT RELAY 745 Instruction Manual page 197

7 COMMUNICATIONS
Table 7–5: 745 MEMORY MAP (Sheet 15 of 35)
GROUP ADDR
(HEX)
WINDING 1 1123
continued
1124
1125
↓
112F
WINDING 2 1130
1131
1132
1133
1134
1135
↓
113F
WINDING 3 1140
1141
1142
1143
1144
1145
↓
115F
ONLOAD TAP 1160
CHANGER
1161
1162
1163
1164
1165
↓
1167
HARMONICS 1168
1169
116A
116B
↓
116F
FLEXCURVES 1170
1171
1172
1173
1174
1175
1176
1177
1178
1179
117A
117B
117C
117D
117E
117F
1180
1181
1182
1183
GE Multilin
Courtesy of NationalSwitchgear.com
DESCRIPTION
Winding 1 Ground CT Primary
Winding 1 Series 3-Phase Resistance
Reserved
↓
Reserved
Winding 2 Nominal Phase-to-Phase Voltage
Winding 2 Rated Load
Winding 2 Phase CT Primary
Winding 2 Ground CT Primary
Winding 2 Series 3-Phase Resistance
Reserved
↓
Reserved
Winding 3 Nominal Phase-to-Phase Voltage
Winding 3 Rated Load
Winding 3 Phase CT Primary
Winding 3 Ground CT Primary
Winding 3 Series 3-Phase Resistance
Reserved
↓
Reserved
Winding With Tap Changer
Number of Tap Positions
Minimum Tap Position Voltage
Voltage Increment Per Tap
Resistance Increment Per Tap
Reserved
↓
Reserved
Harmonic Derating Estimation
THD Minimum Harmonic Number
THD Maximum Harmonic Number
Reserved
↓
Reserved
FlexCurve A Delay at 1.03 × PKP
FlexCurve A Delay at 1.05 × PKP
FlexCurve A Delay at 1.10 × PKP
FlexCurve A Delay at 1.20 × PKP
FlexCurve A Delay at 1.30 × PKP
FlexCurve A Delay at 1.40 × PKP
FlexCurve A Delay at 1.50 × PKP
FlexCurve A Delay at 1.60 × PKP
FlexCurve A Delay at 1.70 × PKP
FlexCurve A Delay at 1.80 × PKP
FlexCurve A Delay at 1.90 × PKP
FlexCurve A Delay at 2.00 × PKP
FlexCurve A Delay at 2.10 × PKP
FlexCurve A Delay at 2.20 × PKP
FlexCurve A Delay at 2.30 × PKP
FlexCurve A Delay at 2.40 × PKP
FlexCurve A Delay at 2.50 × PKP
FlexCurve A Delay at 2.60 × PKP
FlexCurve A Delay at 2.70 × PKP
FlexCurve A Delay at 2.80 × PKP
745 Transformer Management Relay
7.4 MODBUS MEMORY MAP
RANGE STEP UNITS
VALUE
1 to 50000 1 :1 or :5 A
Ω
0.001 to 50.000 0.001
↓ ↓ ↓
1 to 20000 --- kV
1 to 20000 --- MVA
1 to 50000 1 :1 or :5 A
1 to 50000 1 :1 or :5 A
Ω
0.001 to 50.000 0.001
↓ ↓ ↓
1 to 20000 --- kV
1 to 20000 --- MVA
1 to 50000 1 :1 or :5 A
1 to 50000 1 :1 or :5 A
Ω
0.001 to 50.000 0.001
↓ ↓ ↓
--- --- ---
2 to 50 1 ---
1 to 20000 --- kV
1 to 2000 --- kV
Ω
10 to 500 1
↓ ↓ ↓
--- --- ---
--- --- ---
--- --- ---
↓ ↓ ↓
0 to 65000 1 ms
0 to 65000 1 ms
0 to 65000 1 ms
0 to 65000 1 ms
0 to 65000 1 ms
0 to 65000 1 ms
0 to 65000 1 ms
0 to 65000 1 ms
0 to 65000 1 ms
0 to 65000 1 ms
0 to 65000 1 ms
0 to 65000 1 ms
0 to 65000 1 ms
0 to 65000 1 ms
0 to 65000 1 ms
0 to 65000 1 ms
0 to 65000 1 ms
0 to 65000 1 ms
0 to 65000 1 ms
0 to 65000 1 ms
FORMAT FACTORY
CODE DEFAULT
F1 500 A
10700 = 10.7 Ω
F53
↓ ↓
F90 690 = 69.0 kV
F90 1000 = 100 MVA
F1 1500 A
F1 1500 A
2100 = 2.100 Ω
F53
↓ ↓
F90 690 = 69.0 kV
F90 1000 = 100 MVA
F1 1500 A
F1 1500 A
2100 = 2.100 Ω
F53
↓ ↓
F40 0 = None
F1 33
F90 610 = 61.0 kV
F91 50 = 0.50 kV
33 = 33 Ω
F1
↓ ↓
F30 0 = Disabled
F92 0 = 2nd
F92 19 = 21st
↓ ↓
7
F1 0 ms
F1 0 ms
F1 0 ms
F1 0 ms
F1 0 ms
F1 0 ms
F1 0 ms
F1 0 ms
F1 0 ms
F1 0 ms
F1 0 ms
F1 0 ms
F1 0 ms
F1 0 ms
F1 0 ms
F1 0 ms
F1 0 ms
F1 0 ms
F1 0 ms
F1 0 ms
7-27