GE 750 - Page 352

16-
44
750/760 Feeder Management Relay GE Power Management
16.4 MODBUS MEMORY MAP 16 COMMUNICATIONS
16
1771
8
Restricted Earth Fault Relays --- --- F57 None
1772
8
Restricted Earth Fault Pickup 0.005 to 1.000 x CT F70 0.100 x CT
1773
8
Restricted Earth Fault Delay 0.00 to 600.00 s F3 0.00 s
S5 BUS UNDERVOLTAGE 1 READ/WRITE
1780 Bus Undervoltage 1 Function --- --- F39 Disabled
1781 Bus Undervoltage 1 Relays --- --- F57 None
1782
2
Bus Undervoltage 1 Pickup 0.00 to 1.25 x VT F3 0.75 x VT
1783 Bus Undervoltage 1 Delay 0.0 to 6000.0 s F2 2.0 s
1784 Bus Undervoltage 1 Phases Required for Operation --- --- F41 All Three
1785
2
Bus Undervoltage 1 Minimum Operating Voltage 0.00 to 1.25 x VT F3 0.30 x V
1786 Bus Undervoltage 1 Curve --- --- F45 Definite Time
S5 BUS UNDERVOLTAGE 2 READ/WRITE
1788 Bus Undervoltage 2 Function --- --- F39 Disabled
1789 Bus Undervoltage 2 Relays --- --- F57 None
178A
2
Bus Undervoltage 2 Pickup 0.00 to 1.25 x VT F3 0.75 x VT
178B Bus Undervoltage 2 Delay 0.0 to 6000.0 s F2 2.0 s
178C Bus Undervoltage 2 Phases Required for Operation --- --- F41 All Three
178D
2
Bus Undervoltage 2 Minimum Operating Voltage 0.00 to 1.25 x VT F3 0.30 x V
178E Bus Undervoltage 2 Curve --- --- F45 Definite Time
S5 OVERVOLTAGE 1 READ/WRITE
1790 Overvoltage 1 Function --- --- F39 Disabled
1791 Overvoltage 1 Relays --- --- F57 None
1792
2
Overvoltage 1 Pickup 0.00 to 1.25 x VT F3 1.25 x VT
1793 Overvoltage 1 Delay 0.0 to 6000.0 s F2 2.0 s
1794 Overvoltage 1 Phases Required for Operation --- --- F41 All Three
S5 OVERVOLTAGE 2 READ/WRITE
1798 Overvoltage 2 Function --- --- F39 Disabled
1799 Overvoltage 2 Relays --- --- F57 None
179A
2
Overvoltage 2 Pickup 0.00 to 1.25 x VT F3 1.25 x VT
179B Overvoltage 2 Delay 0.0 to 6000.0 s F2 2.0 s
179C Overvoltage 2 Phases Required for Operation --- --- F41 All Three
S5 UNDERFREQUENCY 1 READ/WRITE
17A0 Underfrequency 1 Function --- --- F39 Disabled
17A1 Underfrequency 1 Relays --- --- F57 None
17A2 Underfrequency 1 Pickup 20.00 to 65.00 Hz F3 59.00 Hz
17A3 Underfrequency 1 Delay 0.00 to 600.00 s F3 2.00 s
Table 16–15: MODBUS MEMORY MAP (Sheet 27 of 41)
ADDR DESCRIPTION RANGE UNITS
TYPE
FACTORY
DEFAULT
1 2 3 4 5 6 7 8 9
For explanation of Table footnotes, see page 16–59.