Data library
8.7 Formats
3WL/3VL circuit breakers with communication capability - PROFIBUS
260
System Manual, 03/2011, A5E01051353-02
Byte
Bit
Meaning
48-55
—
Time stamp of 5th tripping operation
56
—
Reserved 0x00
57
—
Reason for 5th tripping operation
58
—
Source of 5th tripping operation
59
—
Reserved 0x00
The table below shows the format (16) "event log". It contains the last 10 events with time
stamp. Example, see below.
Table 8- 46 Format (16) "event log"
Byte
Bit
Meaning
0-7
—
Time stamp of 1st event
8
—
Reserved 0x00
Coming
"+"
Going
"-"
Event description
1
2
Overload warning
3
4
Overload warning N-conductor
5
6
Load shedding alarm
7
8
Load pick up message
9
10
Phase unbalance warning
11
12
Fault in trip unit
13
14
Ground fault warning
15
16
Overtemperature warning
20
—
Switch on
21
—
Switch off
40
41
Threshold warning TV current
42
43
TV ground fault
44
45
TV overcurrent N-conductor
46
47
TV unbalance current
48
49
TV long-term mean value for current
50
51
TV undervoltage
52
53
TV unbalance voltage
54
55
TV overvoltage
56
57
TV long-term mean value for active power
58
59
TV long-term mean value for apparent power
60
61
TV long-term mean value for reactive power
62
63
TV reactive power in normal direction
64
65
TV reactive power in reverse direction
66
67
TV apparent power
68
69
TV overfrequency
70
71
TV underfrequency
9
—
72
73
TV under power factor