DOCA0054EN-10

Circuit Breaker Status

Tripping Cause

The tripping cause register indicates the current status of the trip.

  • If the trip bit is set to 0, then the trip is not active.

  • If the trip bit is set to 1, then the trip is active.

The bit is reset as soon as the circuit breaker is closed again.

Address

Register

RW

X

Unit

Type

Range

A/E/P/H

Bit

Description

0x0289

650

R

INT16U

Tripping cause for basic protection functions

A/E/P/H

0

Long-time protection Ir

P/H

1

Short-time protection Isd

A/E

1

Short-time protection Isd or Instantaneous-protection Ii

P/H

2

Instantaneous-protection Ii

A/E/P/H

3

Ground-fault protection Ig

A/P/H

4

Earth-leakage protection (Vigi)

A/E/P/H

5

Integrated Instantaneous protection

A/E

6

Other protection

P/H

Internal failure (temperature)

A/E/P/H

7

Internal failure (overvoltage)

P/H

8

Other protection (see register 651)

9–14

Reserved

A/E/P/H

15

If this bit is at 1, bits 0 to 14 are not valid.

0x028A

651

R

INT16U

Tripping cause for advanced protection functions

P/H

0

Current unbalance

P/H

1

Overcurrent phase 1

P/H

2

Overcurrent phase 2

P/H

3

Overcurrent phase 3

P/H

4

Overcurrent on neutral

P/H

5

Undervoltage

P/H

6

Overvoltage

P/H

7

Voltage unbalance

P/H

8

Overpower

P/H

9

Reverse power

P/H

10

Underfrequency

P/H

11

Overfrequency

P/H

12

Phase rotation

P/H

13

Load shedding based on current

P/H

14

Load shedding based on power

15

If this bit is at 1, bits 0 to 14 are not valid.

Inhibit Close Order

Address

Register

RW

X

Unit

Type

Range

A/E/P/H

Bit

Description

0x0291

658

R

INT16U

A/E/P/H

Validity of each bit in the inhibit close order status register

0x0292

659

R

INT16U

A/E/P/H

Inhibit close order status

0

Inhibit close order activated by IO module

1

Inhibit close order activated by remote controller

2–15

Reserved

Local/Remote Mode

Address

Register

RW

X

Unit

Type

Range

A/E/P/H

Description

0x0293

660

R

INT16U

0–1

A/E/P/H

Mode selected in FDM121 or IO:

0 = Remote mode (factory setting)

1 = Local mode

Circuit Breaker Status

Address

Register

RW

X

Unit

Type

Range

A/E/P/H

Bit

Description

0x0294

661

R

INT16U

A/E/P/H

Circuit breaker status register

0

OF status indication contact

0 = The circuit breaker is open.

1 = The circuit breaker is closed.

1

SD trip indication contact

0 = Circuit breaker is not tripped.

1 = Circuit breaker is tripped due to electrical default or shunt trip or push-to-trip.

Bit always equal to 0 for MasterPact and ComPact NS circuit breakers with motor mechanism.

2

SDE fault trip indication contact

0 = Circuit breaker is not tripped on electrical default.

1 = Circuit breaker is tripped due to electrical fault (including ground-fault test and earth-leakage test).

3

CH spring charged contact (only with MasterPact

0 = Spring discharged

1 = Spring charged

Bit always equal to 0 for ComPact NS circuit breaker.

4

Reserved

5

PF ready to close contact (only with MasterPact) circuit breakers

0 = Not ready to close

1 = Ready to close

Bit always equal to 0 for ComPact NS circuit breakers.

6

Distinction between ComPact NS and MasterPact NT/NW circuit breakers

0 = ComPact NS

1 = MasterPact NT/NW

7

Distinction between ComPact NS circuit breaker and ComPact NS circuit breaker with motor mechanism

0 = ComPact NS

1 = ComPact NS with motor mechanism

815

Reserved

Auto/Manu

This register displays the actual mode used: Auto/Manu. These modes can be modified only locally through the HMI of MicroLogic P/H trip unit.

Address

Register

RW

X

Unit

Type

Range

A/E/P/H

Description

0x029D

670

R

INT16

0…1

A/E/P/H

0 = Manu: opening and closing of the circuit breaker via the communication are disabled.

1 = Auto: opening and closing of the circuit breaker via the communication are enabled (factory setting).

Legacy Dataset Activation

Legacy dataset is available only if the BCM ULP module firmware version is greater or equal to V2.0.0 (register 577 must be greater or equal to 2000).

Address

Register

RW

X

Unit

Type

Range

A/E/P/H

Description

0x031F

800

RW

0…1

A/E/P/H

Legacy dataset activation

0 = Not activated

1 = Activated

Factory setting = 0 if firmware version smaller than V3.0.0

Factory setting = 1 if firmware version greater or equal to V3.0.0

NOTE: If the BCM ULP module firmware version is greater or equal to V3.0.0, in 2 Wire + ULP configuration, the value of this register is always 1 and cannot be changed.

Communication Parameter

Address

Register

RW

X

Unit

Type

Range

A/E/P/H

Description

0x0325

806

RW

0–1

A/E/P/H

4 Wire / 2 Wire + ULP communication parameter

0 = 4 Wire

1 = 2 Wire + ULP

Factory setting = 0 if BCM ULP module firmware version smaller than V4.0.0

Factory setting = 1 if BCM ULP module firmware version greater or equal to V4.0.0

Energy Reduction Maintenance Switch (ERMS)

Address

Register

RW

X

Unit

Type

Range

A/E/P/H

Description

0x0326

807

R

INT16U

P/H

ERMS mode register validity: validity of each bit of the ERMS mode register.

0 = Invalid

1 = Valid

0x0327

808

R

INT16U

P/H

ERMS mode:

Bit 0 = 0: ERMS mode OFF

Bit 0 = 1: ERMS mode ON

Bit 1 = 0: ERMS not degraded mode

Bit 1 = 1: ERMS degraded mode

0x0328–0x0329

809–810

R

A

INT32U

2 x In–15 x In (limited to Ii settings)

P/H

ERMS setting: pickup value for ERMS setting

2 x In up to present Ii (instantaneous pickup current) setting.

Factory setting = 2 x In

0x032A–0x032B

811–812

R

Reserved

Contact Wear

Address

Register

RW

X

Unit

Type

Range

A/E/P/H

Description

0x032C

813

R

INT16U

0–300

P/H

Contact wear threshold

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