Alarm History
General Description
The alarm history registers describe the last ten encountered alarms. The alarm history format corresponds to a series of ten records saved in a FIFO (first in first out) stack. The last record erases the oldest. Each record is composed of 15 registers describing one alarm.
Register 9300 returns the number of alarms recorded in the alarm history (FIFO). Register 9301 returns the value of the pointer for the last alarm recorded in the alarm history.
Example:
If the register 9300 = 10 and the register 9301 = 3, then the last alarm recorded is the alarm record 3.
In this case, the last but one is the alarm record 2.
|
Address |
Register |
RW |
X |
Unit |
Type |
Range |
A/E/P |
Description |
|---|---|---|---|---|---|---|---|---|
|
0x2453 |
9300 |
R |
– |
– |
INT16U |
0–10 |
P |
Number of alarms recorded in the alarm history (FIFO) |
|
0x2454 |
9301 |
R |
– |
– |
INT16U |
0–9 |
P |
Value of the pointer for last alarm recorded in the alarm history |
Record Number
A read request of 15x(n) registers is necessary to read n alarm records, where 15 is the number of registers for each trip record.
For example, a read request of 15x3 = 45 registers is necessary to read 3 alarm records of the alarm history:
-
The first 15 registers describe the first alarm record.
-
The next 15 registers describe the second alarm record.
-
The last 15 registers describe the third alarm record.
|
Address |
Register |
Description |
|---|---|---|
|
0x2455–0x2463 |
9302–9316 |
Alarm record 0 |
|
0x2464–0x2472 |
9317–9331 |
Alarm record 1 |
|
0x2473–0x2481 |
9332–9346 |
Alarm record 2 |
|
0x2482–0x2490 |
9347–9361 |
Alarm record 3 |
|
0x2491–0x249F |
9362–9376 |
Alarm record 4 |
|
0x24A0–0x24AE |
9377–9391 |
Alarm record 5 |
|
0x24AF–0x24BD |
9392–9406 |
Alarm record 6 |
|
0x24BE–0x24CC |
9407–9421 |
Alarm record 7 |
|
0x24CD–0x24DB |
9422–9436 |
Alarm record 8 |
|
0x24DC–0x24EA |
9437–9451 |
Alarm record 9 |
Alarm Record
A read request of 15 registers is necessary to read an alarm record.
The order and the description of the alarms record registers are the same as that of the alarm record 0:
|
Alarm Record 0 |
||||||||
|---|---|---|---|---|---|---|---|---|
|
Address |
Register |
RW |
X |
Unit |
Type |
Range |
A/E/P |
Description |
|
0x2455– 0x2458 |
9302–9305 |
R |
– |
– |
XDATE |
– |
P |
Alarm date |
|
0x2459 |
9306 |
R |
– |
– |
INT16U |
– |
P |
Alarm code |
|
0x245A– 0x245B |
9307–9308 |
R |
– |
– |
MOD 10000 |
– |
P |
Value of protection setting that caused alarm activation |
|
0x245C |
9309 |
R |
– |
– |
INT16U |
– |
P |
Value of time delay that caused alarm activation |
|
0x245D |
9310 |
R |
– |
– |
INT16U |
0–16000 |
P |
Alarm current phase 1 (1) |
|
0x245E |
9311 |
R |
– |
– |
INT16U |
0–16000 |
P |
Alarm current phase 2 (1) |
|
0x245F |
9312 |
R |
– |
– |
INT16U |
0–16000 |
P |
Alarm current phase 3 (1) |
|
0x2460 |
9313 |
R |
– |
– |
INT16U |
0–16000 |
P |
Alarm current neutral (1) |
|
0x2461– 0x2462 |
9314–9315 |
R |
– |
– |
– |
– |
P |
Additional information depending on type of the alarm |
|
0x2463 |
9316 |
– |
– |
– |
– |
– |
– |
Reserved |
|
(1) Expressed as x 0.1 of In (rated current). |
||||||||
Alarm Codes
|
Alarm Code |
Description |
|---|---|
|
1013 (0x03F5) |
Long-time protection alarm |
|
1014 (0x03F6) |
Ground-fault protection alarm |
|
1015 (0x03F7) |
Earth-leakage protection alarm |
|
1016 (0x03F8) |
Current unbalance |
|
1017 (0x03F9) |
I1 maximum demand |
|
1018 (0x03FA) |
I2 maximum demand |
|
1019 (0x03FB) |
I3 maximum demand |
|
1020 (0x03FC) |
IN maximum demand |
|
1021 (0x03FD) |
Undervoltage |
|
1022 (0x03FE) |
Overvoltage |
|
1023 (0x03FF) |
Voltage unbalance |
|
1024 (0x0400) |
Reserved |
|
1025 (0x0401) |
Reverse power |
|
1026 (0x0402) |
Underfrequency |
|
1027 (0x0403) |
Overfrequency |
|
1028 (0x0404) |
Phase rotation |
|
1029 (0x0405) |
Current load shedding |
|
1030 (0x0406) |
Power load shedding |
|
1031–1099 (0x0407–0x044B) |
Reserved |
|
1100 (0x044C) |
System energized / reset |
|
1101–1105 (0x044D–0x0451) |
Reserved |
|
1106 (0x0452) |
Loss of date and time |
|
1107–1114 (0x0453– 0x045A) |
Reserved |
|
1115 (0x045B) |
Battery low |