DOCA0193EN-00

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:
0x0000 = file disabled
0xFFFF = file enabled (factory setting)

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:
0 = circular

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
Factory setting = 0x8000 0x8000 0x8000

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)

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