Alarm History
General Description
The alarm history registers describe the last 10 encountered alarms. The alarm history format corresponds to a series of 10 records. Each record is composed of 5 registers describing one alarm.
The alarm history registers return 32768 (0x8000) when they are not used.
Record Number
A read request of 5x(n) registers is necessary to read the last n alarm records, where 5 is the number of registers for each alarm record.
For example, a read request of 5 x 3 = 15 registers is necessary to read the last 3 alarm records of the alarm history:
-
The first 5 registers describe the first alarm record (most recent alarm).
-
The next 5 registers describe the second alarm record.
-
The last 5 registers describe the third alarm record.
|
Address |
Register |
Description |
|---|---|---|
|
0x1663–0x1667 |
5732–5736 |
Alarm record 1 (most recent alarm) |
|
0x1668–0x166C |
5737–5741 |
Alarm record 2 |
|
0x166D–0x1671 |
5742–5746 |
Alarm record 3 |
|
0x1672–0x1676 |
5747–5751 |
Alarm record 4 |
|
0x1677–0x167B |
5752–5756 |
Alarm record 5 |
|
0x167C–0x1680 |
5757–5761 |
Alarm record 6 |
|
0x1681–0x1685 |
5762–5766 |
Alarm record 7 |
|
0x1686–0x168A |
5767–5771 |
Alarm record 8 |
|
0x168B–0x168F |
5772–5776 |
Alarm record 9 |
|
0x1690–0x1694 |
5777–5781 |
Alarm record 10 (oldest alarm) |
Alarm Record
A read request of 5 registers is necessary to read an alarm record.
The order and the description of the alarm records registers are the same as that of the alarm record 1:
|
Alarm Record 1 (Most Recent Alarm) |
||||||||
|---|---|---|---|---|---|---|---|---|
|
Address |
Register |
RW |
X |
Unit |
Type |
Range |
A/E |
Description |
|
0x1663 |
5732 |
R |
1 |
– |
INT16U |
0–65535 |
A/E |
Alarm code (see next paragraph) |
|
0x1664– 0x1666 |
5733– 5735 |
R |
– |
– |
ULP DATE |
– |
A/E |
Date and time of alarm Data Type: ULP DATE |
|
0x1667 |
5736 |
R |
1 |
– |
INT16U |
1–2 |
A/E |
Event type MSB = 0 (reserved) Event occurrence: LSB = 1 Event completion: LSB = 2 |
Alarm Codes
|
Alarm Code |
Description |
|---|---|
|
201 (0x00C8) |
User-defined alarm 201 |
|
202 (0x00C9) |
User-defined alarm 202 |
|
203 (0x00CA) |
User-defined alarm 203 |
|
204 (0x00CB) |
User-defined alarm 204 |
|
205 (0x00CC) |
User-defined alarm 205 |
|
206 (0x00CD) |
User-defined alarm 206 |
|
207 (0x00CE) |
User-defined alarm 207 |
|
208 (0x00CF) |
User-defined alarm 208 |
|
209 (0x00D0) |
User-defined alarm 209 |
|
210 (0x00D1) |
User-defined alarm 210 |
|
1013 (0x03F4) |
Long-time protection Ir pre-alarm (PAL Ir) |
|
1014 (0x03F5) |
Ground-fault protection Ig pre-alarm (PAL Ig) |
|
1015 (0x03F6) |
Earth-leakage protection IΔn pre-alarm (PAL IΔn) |
|
The list of the predefined alarms from which the user can choose the 10 user-defined alarms is available at User-Defined Alarms. |
|