3 binary / frozen counter (objects 20/21), Binary / frozen counter (objects 20/21) -46 – GE 489 User Manual

Page 208

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6-46

489 Generator Management Relay

GE Multilin

6.5 DNP POINT LISTS

6 COMMUNICATIONS

6

6.5.3 BINARY / FROZEN COUNTER (OBJECTS 20/21)

The counters cannot be cleared with the Freeze/Clear function codes (9/10). Instead, the control relay output block
points can be used to clear groups of counters. There is only one copy of each counter, so clearing a counter via
Modbus or the front panel display causes the corresponding DNP counter point to be cleared and vice-versa.

Table 6–7: COUNTERS POINT LIST

INDEX

ROLLOVER

POINT

DESCRIPTION

0

50,000

Number of Breaker Operations

1

50,000

Number of Thermal Resets

2

50,000

Number of Trips (total)

3

50,000

Number of Digital Input Trips

4

50,000

Number of Sequential Trips

5

50,000

Number of Field-Breaker Discrepancy Trips

6

50,000

Number of Tachometer Trips

7

50,000

Number of Offline Overcurrent Trips

8

50,000

Number of Phase Overcurrent Trips

9

50,000

Number of Negative Sequence Overcurrent Trips

10

50,000

Number of Ground Overcurrent Trips

11

50,000

Number of Phase Differential Trips

12

50,000

Number of Undervoltage Trips

13

50,000

Number of Overvoltage Trips

14

50,000

Number of Volts/Hertz Trips

15

50,000

Number of Phase Reversal Trips

16

50,000

Number of Underfrequency Trips

17

50,000

Number of Overfrequency Trips

18

50,000

Number of Neutral Overvoltage (Fundamental) Trips

19

50,000

Number of Neutral Undervoltage (3

rd

Harmonic) Trips

20

50,000

Number of Reactive Power Trips

21

50,000

Number of Reverse Power Trips

22

50,000

Number of Underpower Trips

23

50,000

Number of Stator RTD Trips

24

50,000

Number of Bearing RTD Trips

25

50,000

Number of Other RTD Trips

26

50,000

Number of Ambient RTD Trips

27

50,000

Number of Thermal Model Trips

28

50,000

Number of Inadvertent Energization Trips

29

50,000

Number of Analog Input 1 Trips

30

50,000

Number of Analog Input 2 Trips

31

50,000

Number of Analog Input 3 Trips

32

50,000

Number of Analog Input 4 Trips

33

50,000

Number of Loss of Excitation Circle 1 Trips

34

50,000

Number of Loss of Excitation Circle 2 Trips

35

50,000

Number of Ground Directional Trips

36

50,000

Number of High Set Phase Overcurrent Trips

37

50,000

Number of Distance Zone 1 Trips

38

50,000

Number of Distance Zone 2 Trips

NOTE

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