DOCA0091EN-08

Protection Parameters

Long-Time Protection Parameters

A read request of 10 registers is necessary to read the long-time protection parameters.

The long-time protection command (command code = 45192) configures the content of the long-time protection registers.

Address

Register

RW

X

Unit

Type

Range

A/E

Description

0x2231

8754

R

INT16U

1–2

A/E

Status: 1 = On, 2 = Inhibit

0x2232

8755

Reserved

0x2233

8756

R-WC

1

A

INT16U

A/E

Ir pick-up value. The Ir range depends on the nominal current In.

0x2234

8757

Reserved

0x2235

8758

R-WC

1

ms

INT16U

500–

16000

A/E

tr time delay (distribution application)

tr = 500, 1000, 2000, 4000, 8000, 16000 ms

0x2236

8759

R-WC

1

s

INT16U

5–30

E

Motor class (motor application only)

Possible values = 5, 10, 20, 30 s

0x2237

8760

Reserved

0x2238

8761

R-WC

1

INT16U

1–2

E

Cool fan (motor application only)

1 = auto, 2 = motor

0x2239–0x223A

8762–8763

Reserved

Short-Time Protection Parameters

A read request of 10 registers is necessary to read the short-time protection parameters.

The short-time protection command (command code = 45193) configures the content of the short-time protection registers.

Address

Register

RW

X

Unit

Type

Range

A/E

Description

0x223B

8764

R

INT16U

1–2

A/E

Status: 1 = On, 2 = Inhibit

0x223C

8765

R-WC

INT16U

0–1

A/E

Type of protection: 0 = I2t On, 1 = I2t Off.

For motor application, tsd = 30 ms and I2t is Off (fixed values).

0x223D

8766

R-WC

10

INT16U

(1)

A/E

Isd coefficient, adjustable in step of 5

0x223E

8767

R

1

A

INT16U

A/E

Isd pick-up value = (Ir) x (Isd coefficient) / 10

0x223F

8768

R-WC

1

ms

INT16U

0–400

A/E

tsd time delay

tsd = 0, 30, 100, 200, 300, 400 ms

If tsd = 0 ms, then I2t must be Off.

0x2240–

0x2244

8769–

8773

Reserved

(1) For distribution application, the range is 15–100. For motor application, the range is 50–130.

Instantaneous Protection Parameters

A read request of 10 registers is necessary to read the instantaneous protection parameters.

The instantaneous protection command (command code = 45194) configures the content of the instantaneous protection registers.

Address

Register

RW

X

Unit

Type

Range

A/E

Description

0x2245

8774

R

INT16U

1–2

A/E

Status: 1 = On, 2 = Inhibit

0x2246

8775

Reserved

0x2247

8776

R-WC

10

INT16U

(1)

A/E

Ii coefficient, adjustable in step of 5

0x2248

8777

R

1

A

INT16U

A/E

Ii pick-up value = (In) x (Ii coefficient) / 10

0x2249– 0x224E

8778– 8783

Reserved

(1) The Ii coefficient range depends on the circuit breaker size:

  • for 100–160 A, the range is 15–150.

  • for 250–400 A, the range is 15–120.

  • for 630 A, the range is 15–110.

Ground-Fault Protection Parameters

A read request of 10 registers is necessary to read the ground-fault protection parameters.

The ground-fault protection command (command code = 45195) configures the content of the ground-fault protection registers.

Address

Register

RW

X

Unit

Type

Range

A/E

Description

0x224F

8784

R

INT16U

0–2

A/E

Status: 0 = Off, 1 = On, 2 = Inhibit

0x2250

8785

R-WC

INT16U

0–1

A/E

Type of protection: 0 = I2t On, 1 = I2t Off

For motor application, tg = 0 ms and I2t is Off (fixed values).

0x2251

8786

R-WC

100

INT16U

A/E

Ig coefficient, adjustable in step of 5

0x2252

8787

R

1

A

INT16U

A/E

Ig pick-up value = (In) x (Ig coefficient) / 100

If ground-fault protection is set to Off, Ig pick-up value = In.

0x2253

8788

R-WC

1

ms

INT16U

0–400

A/E

tg time delay

tg = 0, 100, 200, 300, 400 ms.

If tg = 0 ms, then I2t must be Off.

0x2254–

0x2258

8789–

8793

Reserved

Earth-Leakage Protection Parameters

A read request of 10 registers is necessary to read the earth-leakage protection parameters.

The earth-leakage protection command (command code = 45196) configures the content of the earth-leakage protection registers.

Address

Register

RW

X

Unit

Type

Range

A/E

Description

0x2259

8794

R

INT16U

0–2

E

Status: 0 = Off, 1 = On, 2 = Inhibit

0x225A

8795

Reserved

0x225B

8796

R

1

mA

INT16U

E

Earth-leakage current IΔn. The IΔn range depends on the nominal current In.

0x225C

8797

Reserved

0x225D

8798

R-WC

1

ms

INT16U

0–1000

E

tΔn time delay

tΔn = 0, 60, 150, 500, 1000 ms

If IΔn = 0.03 mA, then tΔn = 0 ms.

0x225E–

0x2262

8799–

8803

Reserved

Jam Protection Parameters

A read request of 4 registers is necessary to read the jam protection parameters.

The jam protection is available for motor application only. The jam protection command (command code = 45448) configures the content of the jam protection registers.

Address

Register

RW

X

Unit

Type

Range

A/E

Description

0x22C3

8900

R-WC

INT16U

0–1

E

Status: 0 = Off, 1 = On

0x22C4

8901

R-WC

10

INT16U

10–80

E

Ijam coefficient, adjustable in step of 1

0x22C5

8902

R

1

A

INT16U

E

Ijam pick-up value = (Ir) x (Ijam coefficient) / 10

0x22C6

8903

R-WC

1

s

INT16U

1–30

E

tjam time delay

Unbalance Protection Parameters

A read request of 4 registers is necessary to read the unbalance protection parameters.

The unbalance protection is available for motor application only. The unbalance protection command (command code = 45450) configures the content of the unbalance protection registers.

Address

Register

RW

X

Unit

Type

Range

A/E

Description

0x22C7

8904

R

INT16U

0–2

E

Status: 0 = Off, 1 = On, 2 = Inhibit

0x22C8

8905

R-WC

1

%

INT16U

10–40

E

Iunbal coefficient

0x22C9

8906

R-WC

1

s

INT16U

1–10

E

tunbal time delay

0x22CA

8907

Reserved

Underload Protection Parameters

A read request of 4 registers is necessary to read the underload protection parameters.

The underload protection is available for motor application only. The underload protection command (command code = 45449) configures the content of the underload protection registers.

Address

Register

RW

X

Unit

Type

Range

A/E

Description

0x22CB

8908

R-WC

INT16U

0–1

E

Status: 0 = Off, 1 = On

0x22CC

8909

R-WC

100

INT16U

30–90

E

Iunderload coefficient, adjustable in step of 1

0x22CD

8910

R

1

A

INT16U

E

Iunderload pick-up value = (Ir) x (Iunderload) / 100

0x22CE

8911

R-WC

1

s

INT16U

1–200

E

tunderload time delay

Long-Start Protection Parameters

A read request of 4 registers is necessary to read the long-start protection parameters.

The long-start protection is available for motor application only. The long-start protection command (command code = 45451) configures the content of the long-start protection registers.

Address

Register

RW

X

Unit

Type

Range

A/E

Description

0x22CF

8912

R-WC

INT16U

0–1

E

Status: 0 = Off, 1 = On

0x22D0

8913

R-WC

10

INT16U

10–80

E

Ilongstart coefficient, adjustable in step of 1

0x22D1

8914

R

1

A

INT16U

E

Ilongstart pick-up value = (Ir) x (Ilongstart coefficient) / 10

0x22D2

8915

R-WC

1

s

INT16U

1–200

E

tlongstart time delay

Neutral Protection Parameters

The neutral protection is only available when system type in register 3314 is 30 or 41 System Type.

A read request of 4 registers is necessary to read the neutral protection parameters.

The neutral protection command (command code = 45197) configures the content of the neutral protection registers.

Address

Register

RW

X

Unit

Type

Range

A/E

Description

0x22D3

8916

R

INT16U

0–2

A/E

Status: 0 = Off, 1 = On, 2 = Inhibit (1)

0x22D4

8917

R-WC

INT16U

0–3

A/E

Neutral coefficient pickup value

0 = Off

1 = 0.5

2 = 1.0

3 = OSN

0x22D5

8918

R

1

A

INT16U

0–32766

A/E

Ir pick-up value

0x22D6

8919

R

1

A

INT16U

0–32766

A/E

Isd pick-up value

(1) For 40 A IEC and 60 A UL circuit breakers, the user cannot set up the neutral coefficient pickup value to 0.5.

Thermal Memory Inhibit Parameter

Address

Register

RW

X

Unit

Type

Range

A/E

Description

0x22E1

8930

R

INT16U

1–2

A/E

Status: 1 = On, 2 = Inhibit