GE 1601-0149-A2 manual Memory Map Sheet 18, Voltage Elements / Neutral Overvoltage Fundamental

	489				Modbus Memory Map
Communications Guide
Table 1: 489 Memory Map (Sheet 18 of 29)
ADDR	NAME	RANGE	STEP	UNITS	FORMAT	DEFAULT
20A9	Overfrequency Trip Level 1	2501 to 7000	1	Hz	F3	6050
20AA	Overfrequency Trip Delay 1	1 to 50000	1	s	F2	600
20AB	Overfrequency Trip Level 2	2501 to 7000	1	Hz	F3	6200
20AC	Overfrequency Trip Delay 2	1 to 50000	1	s	F2	300
VOLTAGE ELEMENTS / NEUTRAL OVERVOLTAGE (FUNDAMENTAL)
20C0	Neutral Overvoltage Alarm	0 to 2	1	–	F115	0
20C1	Assign Alarm Relays (2-5)	1 to 4	1	–	F50	16
20C2	Neutral Overvoltage Alarm Level	20 to 1000	1	Vsec.	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 Overvoltage 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 Overvoltage Curve Reset Rate	0 to 9999	1	s	F2	0
20CB	Neutral Overvoltage Trip Element	0 to 1	1	–	F208	1
VOLTAGE ELEMENTS / NEUTRAL UNDERVOLTAGE (3rd HARMONIC)
20E0	Low Power Blocking Level	2 to 99	1	⋅ Rated MW	F14	5
20E2	Low Voltage Blocking Level	50 to 100	1	⋅ Rated	F3	75
20E3	Neutral Undervoltage Alarm	0 to 2	1	–	F115	0
20E4	Assign Alarm Relays (2-5)	1 to 4	1	–	F50	16
20E5	Neutral Undervoltage Alarm Level	5 to 200	1	V	F2	5
20E6	Neutral Undervoltage Alarm Delay	5 to 120	1	s	F1	30
20E7	Neutral Undervoltage Alarm Events	0 to 1	1	–	F105	0
20E8	Neutral Undervoltage Trip	0 to 2	1	–	F115	0
20E9	Assign Trip Relays (1-4)	0 to 3	1	–	F50	1
20EA	Neutral Undervoltage Trip Level	5 to 200	1	V	F2	10
20EB	Neutral Undervoltage Trip Delay	5 to 120	1	s	F1	30
VOLTAGE ELEMENTS / LOSS OF EXCITATION
2100	Enable Voltage Supervision	0 to 1	1	–	F103	0
2101	Voltage Level	70 to 100	1	⋅ rated	F3	70
2102	Circle 1 Trip	0 to 2	1	–	F115	0
2103	Assign Circle 1 Trip Relays (1-4)	0 to 3	1	–	F50	1
2104	Circle 1 Diameter	25 to 3000	1	Ω s	F2	250
2105	Circle 1 Offset	10 to 3000	1	Ω s	F2	25
2106	Circle 1 Trip Delay	1 to 100	1	s	F2	50
2107	Circle 2 Trip	0 to 2	1	–	F115	0
2108	Assign Circle 2 Trip Relays (1-4)	0 to 3	1	–	F50	1
2109	Circle 2 Diameter	25 to 3000	1	Ω s	F2	350
210A	Circle 2 Offset	10 to 3000	1	Ω s	F2	25
210B	Circle 2 Trip Delay	1 to 100	1	s	F2	50
VOLTAGE ELEMENTS / DISTANCE ELEMENT
2130	Step Up Transformer Setup	0 to 1	1	–	F219	0
2131	Fuse Failure Supervision	0 to 1	1	–	F105	0
2132	Zone 1 Trip	0 to 2	1	–	F115	0
2133	Assign Zone 1 Trip Relays (1-4)	0 to 3	1	–	F50	1
2134	Zone 1 Reach	1 to 5000	1	Ω s	F2	100
2135	Zone 1 Angle	50 to 85	1	°	F1	75
2136	Zone 1 Trip Delay	0 to 1500	1	s	F2	4
2137	Zone 2 Trip	0 to 2	1	–	F115	0
2138	Assign Zone 2 Trip Relays (1-4)	0 to 3	1	–	F50	1
2139	Zone 2 Reach	1 to 5000	1	Ω s	F2	100

1, 2, 3 See Table footnotes on page 39

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