Data library
8.7 Formats
3WL/3VL circuit breakers with communication capability - PROFIBUS
System Manual, 03/2011, A5E01051353-02
259
8.7.4
Data formats 15 to 24
The table below shows the format (15) "trip log". It contains the last 5 tripping operations with
time stamp and source.
Table 8- 45 Format (15) "trip log"
Byte
Bit
Meaning
0-7
Time
Time stamp of the 1st tripping operation
8
—
Reserved 0x00
9
Reason for
tripping
operation
Reason for trip of 1st tripping operation
1 = overload
2 = instantaneous Short circuit
3 = delayed Short-circuit
4 = Ground fault
5 = Ext. protection function
6 = Overload N-conductor
7 = ETU self-protection (analog override)
8 = Overtemperature
20 = Unbalance Current
21 = Unbalance Voltage
22 = Active power in normal dir.
23 = Active power in reverse dir.
24 = Overvoltage
25 = Undervoltage
26 = Overfrequency
27 = Underfrequency
28 = THD current
29 = THD voltage
30 = Change in phase dir. of rot.
10
—
Source of 1st tripping operation
14 = Meter. function/M. PLUS
25 = Trip unit
11
—
Reserved 0x00
12-19
—
Time stamp of 2nd tripping operation
20
—
Reserved 0x00
21
—
Reason for 2nd tripping operation
22
—
Source of 2nd tripping operation
23
—
Reserved 0x00
24-31
—
Time stamp of 3rd tripping operation
32
—
Reserved 0x00
33
—
Reason for 3rd tripping operation
34
—
Source of 3rd tripping operation
35
—
Reserved 0x00
36-43
—
Time stamp of 4th tripping operation
44
—
Reserved 0x00
45
—
Reason for 4th tripping operation
46
—
Source of 4th tripping operation
47
—
Reserved 0x00