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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