GE 489 User Manual
Page 185
GE Multilin
489 Generator Management Relay
6-23
6 COMMUNICATIONS
6.3 MODBUS MEMORY MAP
6
2023
OVERVOLTAGE ALARM DELAY
1 to 1200
1
s
F2
30
2024
OVERVOLTAGE ALARM EVENTS
0 to 1
1
–
F105
0
2025
OVERVOLTAGE TRIP
0 to 2
1
–
F115
0
2026
ASSIGN TRIP RELAYS (1-4)
0 to 3
1
–
F50
1
2027
OVERVOLTAGE TRIP PICKUP
101 to 150
1
× Rated
F3
120
2028
OVERVOLTAGE TRIP DELAY
1 to 100
1
s
F2
10
2029
OVERVOLTAGE CURVE RESET RATE
0 to 9999
1
s
F2
14
202A
OVERVOLTAGE CURVE ELEMENT
0 to 1
1
–
F208
0
VOLTAGE ELEMENTS / VOLTS/HERTZ
2040
VOLTS/HERTZ ALARM
0 to 2
1
–
F115
0
2041
ASSIGN ALARM RELAYS (2-5)
1 to 4
1
–
F50
16
2042
VOLTS/HERTZ ALARM PICKUP
50 to 199
1
× Nominal
F3
100
2043
VOLTS/HERTZ ALARM DELAY
1 to 1500
1
s
F2
30
2044
VOLTS/HERTZ ALARM EVENTS
0 to 1
1
–
F105
0
2045
VOLTS/HERTZ TRIP
0 to 2
1
–
F115
0
2046
ASSIGN TRIP RELAYS (1-4)
0 to 3
1
–
F50
1
2047
VOLTS/HERTZ TRIP PICKUP
50 to 199
1
× Nominal
F3
100
2048
VOLTS/HERTZ TRIP DELAY
1 to 1500
1
s
F2
10
2049
VOLTS/HERTZ CURVE RESET RATE
0 to 9999
1
s
F2
14
204A
VOLTS/HERTZ TRIP ELEMENT
0 to 3
1
–
F211
0
VOLTAGE ELEMENTS / PHASE REVERSAL
2060
PHASE REVERSAL TRIP
0 to 2
1
–
F115
0
2061
ASSIGN TRIP RELAYS (1-4)
0 to 3
1
–
F50
1
VOLTAGE ELEMENTS / UNDERFREQUENCY
2080
BLOCK UNDERFREQUENCY FROM ONLINE
0 to 5
1
s
F1
1
2081
VOLTAGE LEVEL CUTOFF
50 to 99
1
× Rated
F3
50
2082
UNDERFREQUENCY ALARM
0 to 2
1
–
F115
0
2083
ASSIGN ALARM RELAYS (2-5)
1 to 4
1
–
F50
16
2084
UNDERFREQUENCY ALARM LEVEL
2000 to 6000
1
Hz
F3
5950
2085
UNDERFREQUENCY ALARM DELAY
1 to 50000
1
s
F2
50
2086
UNDERFREQUENCY ALARM EVENTS
0 to 1
1
–
F105
0
2087
UNDERFREQUENCY TRIP
0 to 2
1
–
F115
0
2088
ASSIGN TRIP RELAYS (1-4)
0 to 3
1
–
F50
1
2089
UNDERFREQUENCY TRIP LEVEL1
2000 to 6000
1
Hz
F3
5950
208A
UNDERFREQUENCY TRIP DELAY1
1 to 50000
1
s
F2
600
208B
UNDERFREQUENCY TRIP LEVEL2
2000 to 6000
1
Hz
F3
5800
208C
UNDERFREQUENCY TRIP DELAY2
1 to 50000
1
s
F2
300
VOLTAGE ELEMENTS / OVERFREQUENCY
20A0
BLOCK OVERFREQUENCY FROM ONLINE
0 to 5
1
s
F1
1
20A1
VOLTAGE LEVEL CUTOFF
50 to 99
1
× Rated
F3
50
20A2
OVERFREQUENCY ALARM
0 to 2
1
–
F115
0
20A3
ASSIGN ALARM RELAYS (2-5)
1 to 4
1
–
F50
16
20A4
OVERFREQUENCY ALARM LEVEL
2501 to 7000
1
Hz
F3
6050
20A5
OVERFREQUENCY ALARM DELAY
1 to 50000
1
s
F2
50
20A6
OVERFREQUENCY ALARM EVENTS
0 to 1
1
–
F105
0
20A7
OVERFREQUENCY TRIP
0 to 2
1
–
F115
0
20A8
ASSIGN TRIP RELAYS (1-4)
0 to 3
1
–
F50
1
20A9
OVERFREQUENCY TRIP LEVEL1
2501 to 7000
1
Hz
F3
6050
20AA
OVERFREQUENCY TRIP DELAY1
1 to 50000
1
s
F2
600
20AB
OVERFREQUENCY TRIP LEVEL2
2501 to 7000
1
Hz
F3
6200
20AC
OVERFREQUENCY TRIP DELAY2
1 to 50000
1
s
F2
300
VOLTAGE ELEMENTS / NEUTRAL O/V (FUND)
20C0
NEUTRAL OVERVOLTAGE ALARM
0 to 2
1
–
F115
0
20C1
ASSIGN ALARM RELAYS (2-5)
1 to 4
1
–
F50
16
20C2
NEUTRAL O/V ALARM LEVEL
20 to 1000
1
V
F2
30
20C3
NEUTRAL OVERVOLTAGE ALARM DELAY
1 to 1200
1
s
F2
10
20C4
NEUTRAL OVERVOLTAGE ALARM EVENTS
0 to 1
1
–
F105
0
20C5
NEUTRAL OVERVOLTAGE TRIP
0 to 2
1
–
F115
0
20C6
ASSIGN TRIP RELAYS (1-4)
0 to 3
1
–
F50
1
20C7
NEUTRAL O/V TRIP LEVEL
20 to 1000
1
V
F2
50
20C8
NEUTRAL OVERVOLTAGE TRIP DELAY
1 to 1200
1
s
F2
10
20C9
SUPERVISE WITH DIGITAL INPUT
0 to 1
1
–
F103
0
20CA
NEUTRAL O/V CURVE RESET RATE
0 to 9999
1
s
F2
0
20CB
NEUTRAL O/V TRIP ELEMENT
0 to 1
1
–
F208
1
Table 6–1: 489 MEMORY MAP (SHEET 14 OF 24)
ADDR NAME
RANGE
STEP
UNITS
FORMAT
DEFAULT
1, 2, 3
See Table footnotes on page 6–33