DOCA0384EN-01

Circuit Breaker Status

Local/Remote Mode

Address

Register

RW

X

Unit

Type

Range

A/E

Description

0x0293

660

R

INT16U

0–1

A/E

Control mode if Auto mode is selected:

0 = Remote mode, opening and closing of the circuit breaker are enabled from remote controllers.

1 = Local mode, opening and closing of the circuit breaker are enabled from FDM121 display (factory setting).

Auto/Manu

Address

Register

RW

X

Unit

Type

Range

A/E

Description

0x029D

670

R

INT16

0–1

A/E

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

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

Circuit Breaker Status

Address

Register

RW

X

Unit

Type

Range

A/E

Bit

Description

0x0294

661

R

INT16U

A/E

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 fault or shunt trip or push-to-trip.

Bit always equal to 0 for MasterPacT MTZ circuit breakers with MicroLogic Active.

2

SDE fault trip indication contact

0 = Circuit breaker is not tripped on electrical fault.

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

3

CH spring charged contact:

0 = Spring discharged

1 = Spring charged

4

Reserved

5

PF ready to close contact

0 = Not ready to close

1 = Ready to close

615

Reserved

Energy Reduction Maintenance Switch (ERMS)

Address

Register

RW

X

Unit

Type

Range

A/E

Description

0x0326

807

R

INT16U

E

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

0 = Invalid

1 = Valid

0x0327

808

R

INT16U

E

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)

E

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

Protection Status

The following table details the values for each bit of protection pick-up value registers:

  • protection status bit = 0: protection pick-up value is not overrun.

  • protection status bit = 1: protection pick-up value is overrun, even if the time delay has not expired.

Address

Register

RW

X

Unit

Type

Range

A/E

Bit

Description

0x229D

8862

R

INT16U

E

0

Long-time protection status

1–15

Reserved

0x229E

8863

R

INT16U

E

0

Current-unbalance status

1

Maximum current status on phase 1

2

Maximum current status on phase 2

3

Maximum current status on phase 3

4

Maximum current status on the neutral

5

Minimum voltage status

6

Maximum voltage status

7

Voltage unbalance status

8

Maximum power status

9

Reverse power status

10

Minimum frequency status

11

Maximum frequency status

12

Phase rotation status

13–15

Reserved

0x229F

8864

R

INT16U

E

0

Ground-fault alarm status

1–15

Reserved

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