GE 760

CHAPTER 4: MODBUS MEMORY MAP DATA FORMATS
750/760 FEEDER MANAGEMENT RELAY – COMMUNICATIONS GUIDE 4 - 63
F77
2
ctd.
64
1
C-A Voltage Angle
65
1
Positive Sequence Current Magnitude
66
1
Positive Sequence Current Angle
67
1
Negative Sequence Current Magnitude
68
1
Negative Sequence Current Angle
69
1
Zero Sequence Current Magnitude
70
1
Zero Sequence Current Angle
71
1
Positive Sequence Voltage Magnitude
72
1
Positive Sequence Voltage Angle
73
1
Negative Sequence Voltage Magnitude
74
1
Negative Sequence Voltage Angle
75
1
Zero Sequence Voltage Magnitude
76
1
Zero Sequence Voltage Angle
77
3
Sensitive Ground Current
78
3
Sensitive Ground Current Angle
79
4
Neutral Voltage
80
4
Neutral Voltage Angle
F78
2
Analog Output Minimum / Maximum
The Range, Step Value, and Units for the Analog Output Minimum and Maximum depends upon the
parameter type programmed for the output. The following table shows the format for a given
parameter type:
F79
Setpoint Group
0Group 1
1Group 2
2Group 3
3Group 4
F80
Edit Setpoint Group
0Group 1
1Group 2
2Group 3
3Group 4
4Active Group
F81
Trace Memory / Data Logger Buffer
0 2 x 2048
1 4 x 1024
28 x 512
3 16 x 256
Table 4: Data Formats (Sheet 18 of 20)
Type Value Description
1 2 3 4 5 6 7 8 9 10 11 12 13
For explanation of footnotes, see notes of end of Table.
PARAMETER RANGE STEP UNITS
All currents 0 to 65535 1 Amps
All voltages 0.00 to 655.35 0.01 kV
% Load to Trip 0 to 2000 1 %
Frequency 20.00 to 65.00 0.01 Hz
all pwr / energy see F86
Power Factor -0.99 to +1.00 0.01 ---
Analog Input 0 to 65535 1 units
Fault Location -1000.0 to +1000.0 0.1 km / mi
Frequency Decay -10.00 to +10.00 0.01 Hz/s
All Angles 0 to 359 1 ° Lag