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
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