Huawei SmartPSB2000L Manuale utente

HUAWEI TECHNOLOGIES CO., LTD.

SmartPSB2000L Smart PV Safety Box

Quick Guide

Issue: 04

Part Number: 31509508

Date: 2018-06-12

1Overview

•Theinformation in this document is subjectto changedue to version upgradesor other reasons.Every effort

has beenmade in the preparationof thisdocument to ensure accuracyof the contents,but all statements,

information, and recommendations in this document do not constitute a warranty of any kind, express or implied.

•Only qualifiedandtrainedelectricaltechniciansareallowedto operatethe device.

•Carefullyread this document and the precautionsbeforeinstallingthe device.Failure to comply withthe

storage,installation,and operationregulationsspecifiedinthis document may cause devicedamage, which is

not covered by Huawei'swarranty.

•If the equipment is used in a manner not specifiedby the manufacturer,the protectionprovidedby the

equipment may be impaired.

•Use insulatedtoolswhen installingthe device.For personalsafety, wear proper personalprotectiveequipment

(PPE).

TheSmartPSB2000Lsmart PV safety box (safety box for short) is a key component that implements rapid

shutdownand module monitoringfor HuaweiSUN2000P-375Wsmart PV optimizers. Thesafety box is easy to

install,operate, and maintain.

Shutdownbutton

NOTICE

Rapidshutdownmeans that the power generationsystemconsisting

of optimizers, smart PV safetyboxes, and invertersdecreasesthe DC

voltage to the safe voltage range (≤ 30 V) within the specified period

(≤ 30s).

No.

Description

Tworoutes of output terminals, cable length(includingterminals)250 mm

An LED indicatorshowingthe runningstatus of the safety box

Tworoutes of input terminals, cable length(includingterminals)150 mm

RS485communication, PE, and 12 V powercables, 340 mm long

reserved.

Prerequisites

An optimizer is installedfor each PV module, and

the rapid shutdownfunctionof the safety box is

enabled.

Triggerby

button press

If the shutdownbutton (

) is pressed,the safety

box enters the rapid shutdownstate. TheLED

indicatoris steady red, and the inverterturns off the

AC output. Thisproductcannot be used as a

substitutefor the emergency stop switch.

If the shutdownbutton (

) is released,the safety

box exits the rapid shutdownstate. TheLED

indicatoris steady red within 10 minutes. Theoutput

voltagesof the optimizer and inverterare restored

10 minutes later. TheLEDindicatorof the safety box

changesfrom steady red to steadygreen.

Triggerby

powerfailure

If the AC power fails, the safety enters the rapid

shutdownstate. Theinverterand optimizer stop

output and communication.TheLED indicatorsof

the safety box and inverter are off.

If the AC power resumes, the inverter, optimizer,

and safety box restore to the normal state.

InstallationMode 2

(RecommendedDistance)

2Installation and Cable Connections

WiringDiagram

1. Each inputof the safetybox supportsserialconnectionof

up to 15 optimizers, and the stringvoltage shouldbe less

than 600 V DC.

2. After the cord end terminal is removed, the PE cable of the

safety box and the communication PE cable of the power

meter can be connectedtogetherto the communication

terminal (pin 8) of the inverter.

NOTE

1. Install the safety box under or on a side of an

inverterwith the deliveredM6x60 expansion

bolts. It is recommended that an M8 drill bit

be used to drill holes.Thetorque shouldbe

4.5–5.5N·m.

2. Connectthe RS485communications, PE,

and 12 V powercables from the safety box to

the correspondingporton the inverter.

3. Connectthe output terminals of the safety

box to the DC input ports of theinverter (one

route is used as an example in the right

figure).

4. Connectthe input terminals of the safety box

to the output ports of the optimizer string

(one route is used as an example in the right

figure).

Inverter

Safety box Optimizer PV module

InstallationMode1

(RecommendedDistance)

Port InverterModel

COM SUN2000L-3KTL-CN,SUN2000L-4KTL-CN,SUN2000L-5KTL-CN

ALARM SUN2000L-2KTL,SUN2000L-3KTL,SUN2000L-3.68KTL,SUN2000L-4KTL,SUN2000L-

4.6KTL,SUN2000L-5KTL

Dependingonthe invertermodel, the RS485communications,PE, and12 V powercablesneed to be

connectedto the COM or ALARM port of the inverter.Thepins are wired in the same way.

COM or ALARM Terminal Connection

1. Switchon the AC circuit breakerbetweenthe inverter and the power grid (the AC voltageof the power grid

shouldbe in the range allowedby the inverter).

2. Turnthe DC switch at the bottom of the inverterto the ON position.

3. Observethe LEDindicatoron the safety box. Thestatus changesequenceshouldbe: blinkinggreen at long

intervals> blinkinggreen at short intervals.If the LED indicatoris abnormal, checkwhether cablesare

connectedcorrectlyand securely.

3Powering On the Safety Box

NOTE

LED Status Description

Blinkinggreenat long intervals

Poweron self test.

Blinkinggreenat short intervals

Communicatingwith the inverterproperlyand not communicatingwith the

optimizer.

Steadygreen

Communicatingwith the inverterand optimizer properly.

Steadyred

Shutdown.

Blinkinggreenat long intervals:on for 1s and then off for

Blinkinggreenat short intervals:on for 0.2s and then off for 0.2s

1. Checkwhether all cablesto the safety box are properly connected.

2. Input and output terminals are correctlypaired, and no crossover exists.

NOTICE

Adding the Safety Box

4.1

1. Log in to the app and access

the Operationconsole

screen.

2. ChooseDevicemaintenance >

Add/Deletedeviceandtap Smart

PV safety box.

1. Thenear-endFusionHomeapp (app for short) is a mobile phoneapp that locallycommunicates with the

inverterover WiFi for alarm query,parameter configuration,routinemaintenance,and commissioning.

2. Requirementsforthe mobile phoneoperatingsystem: Android 4.4 or later, iOS 8.0 or later.

3. For details aboutapp connectionand login,see the invertermanual availableonsite.User interfaces(UIs) on

the Android system are used as an example. TheactualUIs prevail. Login to http://solar.huawei.comand

chooseSERVICES>DownloadCenterto obtainthe latest document.

4. Theinverterand safety box cannot perform any commissioningtasks when the AC poweris disconnected.

5. Theinvertersoftware versionmatching the smart PV safety box must be V100R001C00SPC317orlater. The

app versionmust be 2.1.11.302or later.

6. Theapp screen snapshotsprovidedin this document correspondto FusionHome2.1.11.303.Thefiguresare

for referenceonly.

4FusionHome App

NOTE

1. If the safety box icon is green,the safety box is runningproperly.

2. If the safety box icon is yellow,the safety box is in standbystate.

3. If the safety box icon is gray, the safety box is abnormalin communication.Check whetherits cable connections

and communicationsparameters are correct.

4. If the safety box icon is red, the safety box is in rapid shutdowncheckstate.

3. After the safety box is added

successfully,thesafety box icon

is displayed.

Adding Optimizers

4.2

Automatic search:Automatically search for optimizer SNs and string numbers. You need to manually modify

devicenames and locations.

Manualconfiguration:ManuallyconfiguretheSNs, string numbers, devicenames, and locationsof optimizers.

Add optimizers by automatic searchor manual configuration.

2. Theoptimizer searchtakes about 20

minutes. If you tap Stopsearching,

the information of the optimizers

alreadyfound will be saved.

3. After the search is canceledor

completed, the screenfor

enablingRapidshutdownis

displayed(seesection 4.3).

1. TapAutosearch.

Manual Configuration

4. If you tap No in the previousstep,

the screen for adding devicesis

displayed.TapManualconfigand

tap the optimizer to modify optimizer

information.

5. Modifyoptimizer information.

2. TapManualconfig.

AutomaticSearch

3. By default, two strings are

configured.TapAddoptimizer.

1. When installingoptimizers,

remove the SN barcodes

and attach them to their

respectivepositionson the

same layoutform. For details,

see the usage instructionson

the rear of the form.

For details aboutthe optimizer

icon, see section5.1.

NOTE

6. TapSubmit to beginoptimizer

search(step 5 in Manual

Configuration).

Performing Rapid Shutdown Check

4.3

4. Enter optimizer informationto

add all optimizers in sequence

by scanningtheir QR codes or

manually enteringtheir SNs.

1. After optimizer searchis

complete, the screen for enabling

Rapidshutdownisdisplayed

automatically.

1. You need to enable Rapidshutdownand start Rapidshutdown

checkonlyif anoptimizer is installedfor eachPV module. To support

the rapid shutdownfunction,enableRapid shutdown(disabledby

default)for the safety box. If Rapid shutdownis disabled,the rapid

shutdownfunctionis ineffective.

2. If optimizers are installedonly for certain PV modules, the rapid

shutdownfunctionis ineffectiveno matter whetheryou enableRapid

shutdownor press the shutdownbutton.

3. Rapidshutdowncheckis displayedonlyif Rapidshutdownis

enabled.

4.If optional configuration of optimizers is adopted, the rapid

shutdown check fails and the rapid shutdown function is

ineffective.

NOTE

6. If you tap Cancel to stop the

search, the enteredoptimizer

information is saved. You can tap

Manualconfig to add a new

optimizer or tap the optimizer to

modify optimizer information.

5. TapOK. Automatic search

for optimizers begins and willlast

about 10 minutes. After the search

is completed, the screen for

enablingRapidshutdownis

displayed(seesection 4.3).

4. If you did not enableRapid

shutdownor perform rapid

shutdowncheck,you can still tap

the shutdownbox icon to access

the screen for enablingRapid

shutdownor performing rapid

shutdowncheck.

3. After Rapid shutdown is enabled,

a dialogbox for performingrapid

shutdowncheckis automatically

displayed.Evenif you tap No, the

rapid shutdownfunctionis still

valid.

2. If you enableRapidshutdown,

check whetheran optimizer is

installedfor each PV module.

If you tap No, the screenfor

addingdevicesis displayed.

(Optional) Upgrading the Software

4.4

1. Obtain the upgradefile from your dealeror Huaweiengineers.

2. On the Android system, you can copy the upgradefile to the mobile phone. Theupgradefile name extension

must be .zip, the file can be flexibly stored, and Manually selectis supported.

3. On the iOS system, you can import the upgradefileto the app through amailbox. Theupgradefile name

extension must be .zip, and Manually select is not supported.

4. Upgradingthe safety box or optimizer lasts for 10–20minutes.

NOTE

2. Selectthe appropriateupgrade

packageand finish the upgrade.

1. ChooseUpgrade deviceonthe

Operationconsolescreento

upgradethe optimizer or smart PV

safety box.

5. Pressthe Rapidshutdown

button within60sas prompted.

If you tap Exit, the screen for

addingdevicesis displayed.

6. After rapidshutdownsucceeds,

releasethe buttonas prompted.

The inverter will start in 10 minutes.

1. If the LED indicatorof the safety box is blinkinggreenslowly(at 0.5 Hz), check whetherits communications

cable is connectedcorrectlyor checkits communicationsparameter settings.Thesame RS485baud rate should

be set for the safety box, inverter,power meter, and battery that implement RS485communication.

2. If setting safetybox communicationsparameters fails,set the inverter baud rate to 9600 bps, and then perform

three cyclesof press + releaseoperationson the shutdownbuttonwithin 1 minute. Then,the RS485

communicationsparameters of the safety box are restored to default values,and the LEDindicatorblinks red

and green (red for 0.25s,green for 0.25s, lastsfor 20s).

3. If the message "The PLCfrequencyband is congested.Switchthe frequencyband."is displayedon the app,

changethe PLCfrequencyband. Thechangeprocesstakes about 3 minutes. Do not power off the safety box.

Communication Fault

5.1

4.3

5Maintenance

4. After communicationis successful,the optimizer

information is displayedin Deviceinfoon the

Operationconsolescreen.

1. Log in to the app, accessthe

Operationconsolescreen,

and then chooseComm

config.

2. ChooseSmartPV safetybox

configuration.ThensetRS485

baud rate and PLC frequency band.

3. ChooseRS485Setting,and

then set the Baudrate for the

inverter.

Baud rate

9600 (default),19200

Frequency

band

500K

-3.7M(default),

1.5M

-4.7M

Optimizer output power

Optimizer position

Green

Theoptimizer is running properly.

Gray

Theoptimizer runs abnormally.Check whetherits SN

and positioninformation are correct.

Thensearch

the

optimizer again.

Red

Theoptimizer is faulty. Troubleshootaccordingtothe

optimizer manual.

Optimizer alias

Replacing the Safety Box

5.2

(1) Log in to the app and access the

OperationConsolescreen.

ChooseGrid-connectconfig>

Expert.

(2) ChooseFeatureparametersand

enableUnlockoptimizer.Unlock

optimizer exits automaticallyafter

unlockingis complete.

NOTICE

Replacethe safety box if any of the followingfaults

occurs.

•Theappearanceis seriouslydamaged.

•Cablesare seriouslydamaged.

•TheLED indicatorstatusdoesnot match the actual

status.

•Thekey button is damaged and fails.

•Thekey button is not damaged, but the shutdown

functionfails.

•Obtain the user's consentbefore replacingthe safety

box, as the invertermay have no outputduring the

replacement.

•Thesafety box can be replacedonly 30 secondsafter

you turn off the DC input switch on the inverter and

the switch on the AC outputloop.

1. Turnoff the DC input switchon the inverterand the switchon the AC output loop.

2. Remove the old safety box.

3. Install a new safety box, as shownin the chapter2.

4. Turnon the DC inputswitch on the inverterand the switchon the AC output loop.

5. Log in to the FusionHomeapp,unlock optimizers (as shownin the followingfigure),and then add the optimizers

again(see sections4.2 and 4.3). You need to performthis step whenreplacingthe safety box, optimizer, or

inverter.

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