Circuit Breaker Manager Event Log
General Description
The system stores the events that concern circuit breaker control (for example, opening or closing of the contacts) in the file number 30.
This file is made up of 100 records and each record is made up of five registers.
This file is reset in case of 24 Vdc power loss on the BCM ULP module or change of the communication parameter 4W/2W + ULP.
File Header
The following table describes the file header content:
Address |
Register |
RW |
X |
Unit |
Type |
Range |
Description |
---|---|---|---|---|---|---|---|
0x02CD |
718 |
R |
– |
– |
INT16U |
– |
File status: |
0x02CE |
719 |
R |
– |
– |
INT16U |
– |
Type of file = 30 |
0x02CF |
720 |
R |
– |
– |
INT16U |
– |
File allocation = 0xFFFF |
0x02D0 |
721 |
R |
1 |
– |
INT16U |
– |
Size of a record = 5 registers |
0x02D1 |
722 |
R |
– |
– |
INT16U |
– |
File filling
mode: |
File Status
The following table describes the file status content:
Address |
Register |
RW |
X |
Unit |
Type |
Range |
Description |
---|---|---|---|---|---|---|---|
0x02DD |
734 |
R |
1 |
– |
INT16U |
100 |
Size of a file = 100 records |
0x02DE |
735 |
R |
1 |
– |
INT16U |
5 |
Size of a record = 5 registers |
0x02E0 |
737 |
R |
1 |
– |
INT16U |
0–100 |
Number of records in the file |
0x02E1 |
738 |
R |
1 |
– |
INT16U |
0–8000 |
Sequence number of first record in the file (the oldest) |
0x02E2 |
739 |
R |
1 |
– |
INT16U |
0–8000 |
Sequence number of last record in the file (the most recent) |
0x02E3–0x02E5 |
740–742 |
R |
– |
– |
DATE |
– |
Date of the last file reset |
Event Record
The following table shows the format of one record in the event log of the circuit breaker:
Registers |
Type |
Description |
---|---|---|
1–4 |
XDATE |
Event date |
5 |
INT16U |
Event number (see table below) |
Events
The following table shows the events in the event log of the circuit breaker:
Event Number |
Description |
---|---|
1 |
RESET or system energized |
2 |
Reserved |
3 |
Spring charged |
4 |
Circuit breaker opened (O) |
5 |
Circuit breaker closed (F) |
6 |
Circuit breaker tripped (SD) |
7 |
Circuit breaker fault tripped (SDE) |
8–11 |
Reserved |
12 |
Modification of Modbus configuration (address, Baud rate, and parity) |
13 |
Event log reset |
14 |
Clock update input locally accepted |
15 |
Clock update input locally rejected (synchronization by the supervisor) |