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—User GuideSetup and Test

1

RELTReduced Energy LetThroughfeature

—Before starting

The following slides provide a step-by-step guide for implementing RELTsettings and ensuring properoperation of the RELT function forEmax 2, XT7 and XT5 trip units.

Before starting

3

Before starting please confirm that thetrip unit has a black front and isupdated with a firmware version3.10.00 or higher.

Previous firmware versions do not havethe RELT activation Wizardfunctionality described in thisdocument.

Before starting

4

Double click on i button to quickly identifythe firmware version.

Install the RELT Ekip Signalling 2K-3 module in anavailable slot on the top of the circuit breaker.1

Provide power to the Ekip Supply module (using110-240V AC/DC or 24-48Vdc), or directly connectto the secondary terminal using 24Vdc (terminalsK1 (+/L) and K2 (-/N).

Check if the module is recognized by the trip unit.If not , you will need to enable the local busfollowing these steps: (Display -> Settings ->Modules -> Local bus -> ON2).

Before starting

5

21

Please note: version depicted below is a fixed type CB.The same identification is found on an adjustablemetal plate just below the secondary disconnecton the cassette.

1 To mount this module on XT5, the DIN railmountable Ekip cartridge accessory is required.

2 By default Local Bus is set to OFF.

Install the RELT Ekip Signalling 2K-3 module in anavailable slot on the top of the circuit breaker.1

Provide power to the Ekip Supply module (using110-240V AC/DC or 24-48Vdc), or directly connectto the secondary terminal using 24Vdc (terminalsK1 (+/L) and K2 (-/N).

Check if the module is recognized by the trip unit.If not, you will need to enable the local busfollowing these steps: (Display -> Settings ->Modules -> Local bus -> ON2).

6

Ekip Supply

RELTEkip Signalling 2k-3

Before starting

1 To mount this module on XT5, the DIN railmountable Ekip cartridge accessory is required.

2 By default Local Bus is set to OFF.

—RELT configurationInitial installation on a New Circuit Breaker

— Ekip Supply

RELTEkip Signalling 2k-3

Install the RELT Ekip Signalling 2K-3 module in anavailable slot on the top of the circuit breaker.

Provide power to the Ekip Supply module.

If it is the first time that the circuit breaker isswitched ON, a popup for basic settings willappear.

Click on Yes.

8

www.abb.com

RELT configurationFor a new circuit breaker

Install the RELT Ekip Signalling 2K-3 module in anavailable slot on the top of the circuit breaker.

Provide power to the Ekip Supply module.

If it is the first time that the circuit breaker isswitched ON, a popup for basic settings willappear.

Click on Yes.

9

Ekip Supply

RELTEkip Signalling 2k-3

Start Setup Wizard?

iYes No

RELT configurationFor a new circuit breaker

Basic settings include common parameters suchas:

- Language

- Date

- Time

Other parameters may also be present dependingon the functionality present on the circuit breaker.

The RELT wizard is present on the last page.

10

Ekip Supply

RELTEkip Signalling 2k-3

Modify Parameter

Language

English

Italiano

Français

Deutsch

RELT configurationFor a new circuit breaker

Basic settings include common parameters suchas:

- Language

- Date

- Time

Other parameters may also be present dependingon the functionality present on the circuit breaker.

The RELT wizard is present on the last page.

Click Yes

11

Ekip Supply

RELTEkip Signalling 2k-3

RELT Wizard

Configure RELT module?

Yes No

RELT configurationFor a new circuit breaker

— Ekip Supply

RELTEkip Signalling 2k-3

12

Yes

Basic settings include common parameters suchas:

- Language

- Date

- Time

Other parameters may also be present dependingon the functionality present on the circuit breaker.

The RELT wizard is present on the last page.

Chose your desired delay for RELT de-activation togive the operator time to leave the circuitbreaker’s vicinity. 1

RELT configurationFor a new circuit breaker

Delay OFF

Confirm

15.00sMIN MAX

1 The default value is 15 seconds.

— Ekip Supply

RELTEkip Signalling 2k-3

13

Confirm Settings?

iYes No

Basic settings include common parameters suchas:

- Language

- Date

- Time

Other parameters may also be present dependingon the functionality present on the circuit breaker.

The RELT wizard is present on the last page.

Chose your desired delay for RELT de-activation.

Click Yes, again.

RELT configurationFor a new circuit breaker

14

Ekip Supply

RELTEkip Signalling 2k-3

Parameters updated

i

Well done!The RELT module is correctly installedand configured.

RELT configurationFor a new circuit breaker

—RELT configurationAdding the RELT module/functionality on a previously configured circuit breaker

— Ekip Supply

RELTEkip Signalling 2k-3

Enter the submenu for the 2I protection bynavigating to the advanced menu.

Press the RELT Wizard button for selfconfiguration.

Click Yes.

16

RELT configurationFor a previously configured circuit breaker

— Ekip Supply

RELTEkip Signalling 2k-3

Advanced

17

Enter the submenu for the 2I protection bynavigating to the advanced menu.

Press the RELT Wizard button for selfconfiguration.

Click Yes.

RELT configurationFor a previously configured circuit breaker

— Ekip Supply

RELTEkip Signalling 2k-3

Advanced2I ProtectionSecond I ProtectionMCR ProtectionShort circuit

D ProtectionDirectional (67)

IU ProtectionCurrent unbalance (46)

UV ProtectionUndervoltage (27)

18

GOOD TO KNOW

The 2I Protection is an additionalinstantaneous protection with afaster clearing time than thestandard I Protection. It isspecifically used for arc flashmitigation (RELT feature)

Enter the submenu for the 2I protection bynavigating to the advanced menu.

Press the RELT Wizard button for selfconfiguration.

Click Yes.

RELT configurationFor a previously configured circuit breaker

— Ekip Supply

RELTEkip Signalling 2k-3

AdvancedEnableOffRELT Wizard

19

Enter the submenu for the 2I protection bynavigating to the advanced menu.

Press the RELT Wizard button for selfconfiguration.

Click Yes.

RELT configurationFor a previously configured circuit breaker

— Ekip Supply

RELTEkip Signalling 2k-3

AdvancedEnableOffRELT Wizard

20

RELT Wizard

Configure RELT module?

Yes No

Enter the submenu for the 2I protection bynavigating to the advanced menu.

Press the RELT Wizard button for selfconfiguration.

Click Yes.

RELT configurationFor a previously configured circuit breaker

— Ekip Supply

RELTEkip Signalling 2k-3

21

Yes

Enter the submenu for the 2I protection bynavigating to the advanced menu.

Press the RELT Wizard button for selfconfiguration.

Click Yes.

Chose your desired delay for RELT de-activation.In this scenario it will recall whatever value hasbeen previously programmed.

RELT configurationFor a new circuit breaker

Delay OFF

Confirm

15.00sMIN MAX

— Ekip Supply

RELTEkip Signalling 2k-3

22

Confirm Settings?

iYes No

Enter the submenu for the 2I protection bynavigating to the advanced menu.

Press the RELT Wizard button for selfconfiguration.

Click Yes.

Chose your desired delay for RELT de-activation.In this scenario it will recall whatever value hasbeen previously programmed.

Click Yes, again.

RELT configurationFor a new circuit breaker

— Ekip Supply

RELTEkip Signalling 2k-3

AdvancedEnableOffRELT Wizard

23

Parameters updated

Well done!

The RELT module is correctly installed andconfigured.

i

RELT configurationFor a new circuit breaker

—Input and output testing

24

— Ekip Supply

RELTEkip Signalling 2k-3

Wire the I31 input of the RELT Ekip Signalling 2K-3 modulewith a switch of your choice.

Input and output testing

25

OPEN

H H H K K K K

I31 I32 O31 O32

33 3431 C3 32 31 32

The light of Input I31 should be ON when the switch is closed.

This input activates the 2I protection confirmed by twoalarms; text on the touchscreen and an indicator to the right.

Outputs O31 and O32 are used for external indication. Whenthe 2I protection is activated both lights turn ON confirmingthat the trip unit has received the signal, properly processedthe signal and the circuit is in good order.

Ekip Supply

RELTEkip Signalling 2k-3

Input and output testing

26

CLOSED

H H H K K K K

I31 I32 O31 O32

33 3431 C3 32 31 32

2I Protection Active

Externalindicator lights(optional)

—Documentation

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