Simrad ST90 Installation Manual

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TECHNOLOG

SUS

Installation Manual

Simrad ST90

Fish nding sonar

Y FOR

TAINABLE FISHERIE

www.simrad.

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SimradST90

Fishndingsonar

InstallationManual

Thepurposeofthismanualistoprovidetheinformation,procedures andbasicdrawingsrequiredforthephysicalinstallationoftheSimrad ST90.Themanualisintendedfortechnicalpersonnel;suchasskilled shipyardworkers,electricians,qualiedengineersandnavalarchitects.

ForinformationaboutthepracticaluseoftheST90,refertotheST90 ReferenceManualand/ortheST90OperatorManual.Youcanalso ndinformationintheST90ContextSensitiveOn-lineHelp.

Caution

Asasafetyprecaution,youmustneverturnontheST90whenthe shipisindrydock.Thetransducermaybedamagedifittransmits inopenair.

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July2019©KongsbergMaritimeAS

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Documentinformation

•Product:SimradST90

•Document:InstallationManual

•Documentpartnumber:442703

•DocumentISBNnumber:N/A

•Revision:B

•Dateofissue:5July2019

TheinformationcontainedinthisdocumentremainsthesolepropertyofKongsberg MaritimeAS.Nopartofthisdocumentmaybecopiedorreproducedinanyformorby anymeans,andtheinformationcontainedwithinitisnottobecommunicatedtoathird party,withoutthepriorwrittenconsentofKongsbergMaritimeAS.

Warning

Theequipmenttowhichthismanualappliesmustonlybeusedforthepurposefor whichitwasdesigned.Improperuseormaintenancemaycausedamagetothe equipmentand/orinjurytopersonnel.Y oumustbefamiliarwiththecontentsofthe appropriatemanualsbeforeattemptingtooperateorworkontheequipment.

KongsbergMaritimedisclaimsanyresponsibilityfordamageorinjurycausedby improperinstallation,useormaintenanceoftheequipment.

Disclaimer

KongsbergMaritimeASendeavourstoensurethatallinformationinthisdocumentis correctandfairlystated,butdoesnotacceptliabilityforanyerrorsoromissions.

Supportinformation

Ifyourequiremaintenanceorrepair,contactyourlocaldealer.Y oucanalsocontactus usingthefollowingaddress:simrad.support@simrad.com.Ifyouneedinformation aboutourotherproducts,visithttps://www .simrad.com.Onthiswebsiteyouwillalso ndalistofourdealersanddistributors.

KongsbergMaritimeAS

www.kongsberg.com

Page 5

InstallationManual

Aboutthismanual

Thepurposeofthismanualistopresentthedescriptionsanddrawingsrequiredtoinstall theSimradST90Fishndingsonar.

Targetaudience

Themanualisintendedfortechnicalpersonnel;suchasskilledshipyardworkers, electricians,qualiedengineersandnavalarchitects.Itisassumedthatyouunderstand thegeneralprinciplesofmaritimeelectronicequipment.Y oumustalsobefamiliarwith computerhardware,interfacetechnologyandinstallationofelectronicandmechanical products.

Installationinstructions

Theinstructionsprovidedinthismanualmustbefollowedcarefullytoensureoptimal performance.Asaguide,installationproceduresarepresentedintheordertheymust bedone.

Theequipmentdescribedinthismanualincludesthecompletesystemwithrelevant cabinets.Unitsprovidedlocallybythecustomer,installationshipyardorlocal representativearenotdescribed.

Informationaboutthirdpartyproductsand/orservicesmaynotbeincludedinthis manual,eventhoughthesemaybeprovidedasapartoftheST90delivery.Refertothe relevantend-userdocumentationprovidedbythemanufacturer.

Note

KongsbergMaritimeASwillacceptnoresponsibilityforanydamageorinjurytothe system,vesselorpersonnelcausedbyequipmentthathasbeenincorrectlyinstalledor maintained,orbydrawings,instructionsorproceduresthathavenotbeenprepared byus.

Installationdrawings

Theinstallationshipyardmustprovideallnecessarydesignandinstallationdrawings,as wellastherelevantworkstandardsandmountingprocedures.Theinstallationshipyard mustdesignandmanufacturerelevantinstallationhardwaretoteachindividual hardwareunit.

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SimradST90InstallationManual

Note

Ifrequired,alldocumentsprovidedbytheshipyardforthephysicalinstallationofthe ST90mustbeapprovedbythevessel’ snationalregistryandcorrespondingmaritime authorityand/orclassicationsociety.Suchapprovalmustbeobtainedbeforethe installationcanbegin.Theshipownerandshipyarddoingtheinstallationareresponsible forobtainingandpayingforsuchapproval.

TheoutlinedimensionsoftheST90unitsarefoundintheDrawinglechapterinthis manual.

Thesourcedrawings(normallyinAutoCadformat)canbedownloadedfromourwebsite.

•https://www.simrad.com/st90

Onlineinformation

Allend-usermanualsprovidedforoperationandinstallationofyourSimradST90canbe downloadedfromourwebsite.

•https://www.simrad.com/st90

OurwebsitealsoprovidesinformationaboutotherSimradproducts.

Registeredtrademarks

Observetheregisteredtrademarksthatapply.

Windows

isaregisteredtrademarkofMicrosoftCorporationintheUnitedStatesand

othercountries.

Simrad

,SIMRAD

andtheSimrad

logoareeitherregisteredtrademarks,or

trademarksofKongsbergMaritimeASinNorwayandothercountries.

Wewantyourfeedback

WewanttoimproveST90continuously.Wealsowantourend-userdocumentationtobe comprehensiveandrelevant.Y oucanhelp.Pleaseprovidecomments,suggestionsor constructivecriticismtoanyofoursupportofces.

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Topics

Important,page17

Systemdescription,page19

SimradST90

Keyfeatures,page21

Systemdiagram,page22

Systemunits,page23

Scopeofsupply,page32

Generalsafetyrules,page46

Installationrequirements,page47

Networksecurity,page50

Supportinformation,page51

Important

TheST90isanadvancedproduct.Aswithmostotheradvancedinstruments,thereis importantinformationthatyouneedtoknow.

Watertightintegrity

Thesize,locationanddesignofthesonarroommustfullalltherequirementstothe vessel’swatertightintegrity.

Intheeventofamajorleak,itmustbepossibletocloseallwatertighthatchesand/or doorstotheroomtomaintainvesselstabilityandsafety .Thephysicalsizeofthesonar roommustbelimited,sothatintheeventofamajorleak,theoodingoftheroomwill notinduceinstability,orcausethevesseltocapsizeorsink.

Formoreinformation,see:Sonarroomrequirements,page66

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SimradST90InstallationManual

BeforeyouturnontheST90

BeforeyouturnontheST90,makesurethatyouhavesufcientwaterdepthtolower thetransducer!

Caution

YoumustneverturnontheST90whentheshipisindrydock.Thetransducermaybe damagedifittransmitsinopenair.

WhentheST90isnotused

WhenyoudonotusetheST90,turnofftheentiresystem.

Note

YoumustNEVERturnofftheST90bymeansoftheon/offswitchontheProcessorUnit. YoumustALW AYSusetheOperatingPanelorselectExitonthetopbar .

Whenyouaredockingyourvessel

YoumustneverturnontheST90whentheshipisindrydock.Thetransducermaybe damagedifittransmitsinopenair.TopreventinadvertentuseoftheST90,pullout themainsplugontheProcessorUnitwheneveryourvesselisindrydock.Additional precautionarymeasurersshouldbeconsidered.

Ifsomethingbreaksdown

Ifyoubelievethatsomethinghasbrokendown,contactyourlocaldealer.Alistofall ourdealersisprovidedonourwebsite.

•https://www.simrad.com

Ifyouareunabletocontactadealer,observethesupportinformationinthispublication.

WhenyouwanttoturnofftheST90

YoumustNEVERturnofftheST90bymeansoftheon/offswitchontheProcessorUnit. WhenyoudonotusetheST90,turnitoffwiththePowerbuttonontheOperatingPanel. IfthetransducerisloweredwhenyouturnofftheST90,itisautomaticallyretractedto itsupperposition.

Note

IfyouturnofftheST90bymeansoftheon/offswitchontheProcessorUnityoumay damagethesoftwareandtheinterfacesettingsusedtocommunicatewithexternal devices.

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SimradST90

Manualoperationofthehullunit

Intheeventofimproperoperation,thepowerfulelectricmotoronthehullunitmay causeseriousdamagetotheequipmentand/orinjurytopersonnel.Therefore,beforeyou startmanualoperation,readcarefullythroughtherelevantoperatingprocedures.

Note

Youmustfamiliarizeyourselfwiththecorrecthandlingmethodsandtherelevantsafety requirements.

Rulesfortransducerhandling

Atransducermustalwaysbehandledasadelicateinstrument.Incorrectactionsmay damagethetransducerbeyondrepair.Aphysicalblowtothetransducerfacemayeasily damageoneormoreelements.Observethesetransducerhandlingrules:

•Donotactivatethetransducerwhenitisoutofthewater.

•Donothandlethetransducerroughlyandavoidimpacts.

•Donotexposethetransducertodirectsunlightorexcessiveheat.

•Donotdamagetheouterprotectiveskinofthetransducer.

•Donotusehigh-pressurewater,sandblasting,metaltoolsorstrongsolventstoclean thetransducer.

•Donotsteponthetransducercables.

•Donotdamagethetransducercables,andavoidexposuretosharpobjects.

Relatedtopics

Generalsafetyrules,page46 Installationrequirements,page47 Networksecurity,page50 Supportinformation,page51

Systemdescription

TheSimradST90isalongrangeandlowfrequencyshndingsonarwitha360degrees coverage.TheST90isdesignedformediumandlargesizedshingvessels.

Ifhighperformanceisyournumber1criteriawhenchoosingasonar;suchaslongrange, highresolution,narrowbeamsandhighsourcelevels,thisisyournaturalchoice.We madenocompromisesduringthedesignoftheST90.Ourgoalwassimplytomakethe ultimatehighperformanceshndingsonar.WiththeSimradST90,weuselower frequenciesthantheSX90andSU90sonars.Inordertoachievethis,acompletelynew transducerhasbeendesigned.EachelementislargerthanthepreviousSX90andSU90 elements,butthenumberofelementsisthesameastheSU90.Thisallowsforthesame narrowbeam,andultimatelyalongerrange.TheST90hasbeendesignedtosearchwith

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SimradST90InstallationManual

verylongrangesinallweatherandseaconditions.Whetheritisheavyweather,hard bottom,openwaters,weaktargets-allechoesarehandledbytheST90duetothefully stabilizedandverynarrowbeamscombinedwiththecuttingedgesignalprocessing.

Thecentreoperationalfrequencyis19kHz,butyoucanselectanyoperationalfrequency from14to24kHzinstepsof1kHz.Thecylindricalmulti-elementtransducerallows theomnidirectionalsonarbeamstobetiltedelectronicallyfrom-10to+84degrees. Thisallowsyoutoautomaticallytrackschoolsofsh,andtoobservethewholewater volumearoundthevessel.

TheST90providesanumberofstandardinterfacelinesforcommunicationwith peripheraldevicesandsensors.Typicalinputsaregeographicalinformationfroma positioningsystem,vesselspeedandcurrentheading.Bydefault,theST90usesa built-inmotionsensor.Forimprovedoperationalaccuracy,anexternalmotionreference unit(MRU)canbeconnected.

Thenarrowbeamopeningangle(6.5°@17kHz)andthehighsourcelevelmakesthe ST90averypowerfulandhighresolutionlowfrequencysonar.Thenarrowbeams providedbytheST90giveyouseveraladvantages.

•Theyincreasetherangeandresolution,andofferaverticalviewwithadditional detailsandaclearerpicture.

•TheymaketheST90evenmoreidealwhenyouneedtosearchforshclosetothesea bottom,orclosetothesurface,atlongranges.

•Theyprovideafarbetterverticalviewwithless"bottomclimbing"thatwhatisseen onsonarswithawiderbeam.

•Thenarrowbeamsalsodecreasethenoiselevel.

TheST90offersthesameuserinterfaceandoperatingsoftwareasourothersonars, echosoundersandcatchmonitoringsystems.Thisenableseasierandfastertraining ofnewusers.

TheST90echopresentationsareoptimizedformultipledisplays.Providedthatyouhave connectedadditionaldisplaystoyourProcessorUnit,youcanusetheDockingViews functiontotakeanysonarviewandplaceitonaseparatedisplay.Whenyoumovea viewtoanotherdisplay,itwillautomaticallybescaledforthebestpossibleresult.

Itiscommonforsonarstorequiremanypingstobuildthevariousviewsintheecho presentation.Thesesonarsmayforexampleneedonepingtobuildthe360degreesomni view,andthenseveraladditionalpingstofetchtheechoesfortheverticalviews.On theST90,allthesonarviewsinthepresentationarebuiltusingtheechoesfromone singleping.Thisdramaticallyimprovestheupdaterateandprovidesbetterreal-time information.

TheST90permitsyoutorecordreal-timesonarsituations.Thisallowsyoutoreplay completesequences.Theplaybackcontainstheexactsameechoinformation,andcanbe usedformissionhistory,trainingortroubleshootingpurposes.

Greatemphasishasbeenplacedonanintuitiveuserinterfaceandthebestpossiblesonar presentationsonahighresolutioncolourdisplay.

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SimradST90

TheST90isequippedwiththecelebratedsignalprocessingsoftwaredevelopedby KongsbergMaritime.TheST90offersseveralpulsetypes.ThisincludesHyperbolic FM(HFM)transmissions.Thispulsetypeisalsoknownas"chirp".Itensuresaclutter freepicturewithveryhighresolutioninrange.Thesignalprocessingandbeamforming isperformedinafastdigitalsignalprocessingsystemusingthefulldynamicrange ofthesignals.

Relatedtopics

Systemdiagram,page22 Systemunits,page23

Keyfeatures

TheSimradST90isalongrangeandlowfrequencyshndingsonarwitha360degrees coverage.WemadenocompromisesduringthedesignoftheST90.Ifhighperformance isyournumber1criteriawhenchoosingasonar;suchaslongrange,highresolution, narrowbeamsandhighsourcelevels,thisisyournaturalchoice.

•360degreesomnidirectional

•Operationalfrequencyadjustablefrom14to24kHzinstepsof1kHz

•Narrowbeams(6.5°@17kHz)

•HFM(HyperbolicFrequencyModulation)transmissions(Thispulsetypeisalso knownas"chirp".)

•Largedynamicrange

•Highdenition

•Stabilizedbeams

•Easyoperation

•Storeandrecallsonardata

•Deneandsaveyourownusersettings

•Clearandeasilycomprehensivesonardata

•Supportsmultipledisplays.

•12transceiverboardsprovide384individualchannels

ThenarrowbeamsprovidedbytheST90giveyouseveraladvantages.Theyincrease therangeandresolution,andofferaverticalviewwithadditionaldetailsandaclearer picture.Thenarrowbeamsalsodecreasethenoiselevel.

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SimradST90InstallationManual

Systemdiagram

ThesystemdiagramidentiesthemaincomponentsofabasicST90system.Only themainconnectionsbetweentheunitsareshown.Detailedinterfacecapabilitiesand powercablesarenotshown.

ADisplay(Theseconddisplayis

optional.)

BProcessorUnit

COperatingPanel

DTransceiverUnit

EHullUnit

FHoistmotor

GMotorControlUnit

HTransducer

Inthispublication,thecomputeris referredtoastheProcessorUnit.

Unlessotherwisespeciedina contract,thedisplayisnotincluded inthestandarddeliveryfromSimrad. Thisisacommercialitemthatcan bepurchasedlocally.

Achoiceofhullunitsisavailable fortheST90Fishndingsonar.The hullunitsofferdifferentlowering depthsandcablelengths.Thesame transducerisusedonallhullunit types.Thesameinstallationtrunk isusedonallhullunittypes.

Relatedtopics

Systemdescription,page19 Systemunits,page23

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Systemunits

Topics

Displaydescription,page23

ProcessorUnitdescription,page23

TransceiverUnitdescription,page24

OperatingPaneldescription,page26

Hullunitdescription,page27

Transducerdescription,page29

Installationtrunkdescription,page30

SimradST90

Displaydescription

AdisplayisarequiredpartoftheST90Fishndingsonar.Forbestreadability,the displaymustbeprotectedfromglareandhavethecorrectheightandangle.

AnycommercialdisplaycanbeusedwiththeST90Fishndingsonar,providedthatthe displaymeetstheminimumrequirements.

ThedisplayisnotastandardpartoftheST90delivery.Thisisacommercialitemthat canbepurchasedlocally.KongsbergMaritimemayprovideasuitabledisplay.

Thechosendisplaymustbedesignedformaritimeuse,anditmustmeettheminimum performancespecications.Youmustalsomakesurethatthechosendisplaysupports thevideoformatsprovidedbytheProcessorUnit.

Relatedtopics

Systemunits,page23 Scopeofsupply,page32

ProcessorUnitdescription

TheST90ProcessorUnitisaruggedandpowerfulcomputer.Itisdesignedforlonglife inademandingmaritimeenvironment.TheProcessorUnitcontainstheoperational software,andofferstheuserinterfacethatallowsyoutocontroltheST90.Furthermore, itoffersanumberofserialandEthernetlinesforcommunicationwithexternaldevices.

Adedicatedmaritimecomputerisprovidedwith theST90Fishndingsonar.Inthispublication,the computerisreferredtoastheProcessorUnit.Itisset upwithallnecessarysoftware.TheProcessorUnitis normallymountedonthebridge.

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SimradST90InstallationManual

TheProcessorUnitisdesignedforruggedmaritimeuse.Ithasbeencustomizedby KongsbergMaritime.Exceptfromthefans,itcontainsnomovingparts.Thecomputer isbasedonacommercialdesign,butthesoftwareandhardwarehavebeenspecied byKongsbergMaritimetosuittheST90requirements.TheProcessorUnitcabinetis placedonshockabsorbers.

TheProcessorUnitisbasedontheMicrosoft

Windows®10operatingsystem.

ThecomputeroffersmultipleUSBportsforusewithfuturesoftwareupgrades.These USBportsalsoallowyoutoexportscreencapturesfromtheST90.

Note

TheoperatingsystemhasbeenmodiedtomakethecomputerworkwiththeST90. ThesemodicationsincluderemovalofallsafetyfeaturesprovidedbyMicrosoft

built-inrewallandallvirusprotectionfeatureshavebeenremoved.Anyattemptto usethecomputerforanyotherpurposesthanST90operation,suchasgames,desktop applicationsandInternetconnection,mayresultinseriousdamagetotheprogram.Such damagesarenotcoveredbythewarranty.

Relatedtopics

Systemunits,page23 Scopeofsupply,page32 InstallingtheEnixProcessorUnit,page148 Technicalspecications,page388 385609ProcessorUnitdimensions,page409

.The

TransceiverUnitdescription

TheST90TransceiverUnitisprovidedtotransmitacousticenergythroughwater.This transmissionandreceptionarecommonlyreferredtoasaping.Aftereachtransmission, thetransceiverreceivestheechoesfromthetargetsinthewaterand/ortheseabed.These echoesarelteredandampliedandthenconvertedintodigitalformat.

TheST90TransceiverUnitisnormallylocatedin thesonarroom.Itismountedonthebulkheadusing powerfulshockabsorbers.Thephysicaldistanceto thehullunitislimitedbythelengthofthetransducer cables.

TheTransceiverUnitcontrolsthetransmissionand receptionmadebythe384transmittersand384 receiverchannels.12identicaltransceiverboards areused.TheTransceiverUnitalsoholdsanEthernet switchandalargecapacitorbank.Aninternalpower supplyisprovidedtosupplytherequiredDCvoltages totheTransceiverUnit.

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SimradST90

TwohighcapacityEthernetcablesconnecttheProcessorUnittotheTransceiverUnit. AnotherhighqualityEthernetcableisusedtoconnecttheTransceiverUnittotheMotor ControlUnitonthehullunit.Itisveryimportantthathigh-qualityEthernetcablesare used.Y oumustuseCA T-5ESTP(ShieldedTwistedPair)qualityorbetter.Ifyouuse cableswithlowerbandwidthcapacityyouwillreducetheST90performance.Donot connecttheProcessorUnittotheTransceiverUnitusinganexistinglocalareanetwork (LAN).

Tip

WestronglyrecommendthatminimumthreeEthernetcablesareinstalledbetweenthe sonarroomandthebridge.Twocablesareforoperationaluse,whiletheothersare spare.

Thetransducercablesarepluggedintothesidewallofthetransceivercabinetusinga specialconnector.Theconnectorsforpowerandinterfacesarelocatedatthebottom ofthecabinet.

Note

ToextendthelifetimeoftheST90TransceiverUnit,itmustbemountedatdryandclean locationwithsufcientventilation.Observethesonarroomrequirements

TheTransceiverUnitisttedwithacommercialheatexchanger.Thepurposeoftheheat exchangeristoprovideastable,cleanandtemperaturecontrolledenvironmentforthe electroniccircuitryinsidetheTransceiverUnit.Theheatexchangeralsoinhibitsdust anddirtparticlesfromenteringtheTransceiverUnit.Theheatexchangerispowered from230VACusingaseparateoutlet.

Relatedtopics

Systemunits,page23 Scopeofsupply,page32 InstallingtheTransceiverUnit,page153 Technicalspecications,page388 381457T ransceiverUnitdimensions,page421

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SimradST90InstallationManual

OperatingPaneldescription

TheOperatingPaneloffersallnecessarycontrolfunctionsfornormaloperationofthe ST90.

Tip

YoucanalsouseastandardcomputermousetocontroltheST90.Themousecanbe connectedtoeithertheOperatingPanelordirectlytotheProcessorUnit.

AdedicatedEthernetcableisusedtoconnecttheOperatingPaneltotheProcessorUnit. TheOperatingPanelisprovidedwithabuilt-inpowersupply .Themainsvoltageforthe OperatingPanelis115or230V AC,anditwillautomaticallysensethesupplyvoltage.

Note

TheST90supportstwodifferentoperatingpanels.Thesearereferredtoas"Mk1"and "Mk2".

AsecondaryOperatingPanelmaybeconnectedtotheST90ProcessorUnit.Thismay beusefulinconjunctionwithaseconddisplayifyouwishtocontroltheST90fromtwo differentlocationsonyourvessel.

Relatedtopics

Systemunits,page23 Scopeofsupply,page32 InstallingtheOperatingPanel(Mk2),page151 Technicalspecications,page388 SettinguptheOperatingPanel(Mk2),page278 UsingasingleOperatingPaneltocontrolmorethanonesonar(Mk2),page320 UsingmorethanoneOperatingPaneltocontrolthesonar(Mk2),page324 204688OperatingPaneldimensions(Mk1),page413 440698OperatingPanelcut-outdrawing(Mk2),page415 443179OperatingPaneldimensions(Mk2),page416 439594OperatingPaneladapterplate(Mk2),page419

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SimradST90

Hullunitdescription

ThehullunitprovidedwiththeST90isdesignedtolowerthetransducerdownbelowthe ship’shullwhentheST90shallbeused.WhentheST90isswitchedoff,thetransducer ishoistedforprotection.

TheST90Fishndingsonarcanbeprovidedwithoneofthefollowinghullunits.

HullUnit

Outlinedimensionsdrawings:

-ST92:447567

-ST93:435546

-ST94:447545

Partnumber

4414864.6m ST92

441488

4385204.6m ST93

441490

4414924.6m ST94

441494

Loweringdepth

1.2m

1.6m

2.1m

Transducercable

Maximumspeed

21knots

16knots

11knots

Thesametransducerisusedonallhullunittypes.Thesameinstallationtrunkisusedon allhullunittypes.

Note

OntheST94HullUnit,thetransducerisautomaticallyhoistedto1.6metreswhenvessel speedexceeds1 1knots.

Thehullunitisalargemechanicalconstruction.Itismountedonthetopofthe installationtrunk.Theinstallationtrunkpenetratestheship’shull,andallowsthe transducertobeloweredintothesea.Thehullunitisnormallylocatedintheforward partofthevessel.Thislocationisrecommendedtoavoidthenoisefromthepropellers andtheengine.

ThepurposeoftheMotorControlUnitistocontrolthehoistingmotoronthehullunit. WhenyoumaketheappropriatecommandsontheST90sonar,theMotorControlUnit willstartandstopthemotor.Itwillalsomakesurethatthemotorrotatesthecorrectway. Themotionsensorforthebuilt-inelectronicstabilizationofthesonarbeamsisprovided.

•Tolowerthetransducer,pressDownontheOperatingPanel.Toindicatetransducer movement,theDownindicatorlampashes,andanaudiblesignalissounded.When thebottompositionhasbeenreached,theindicatorlampislit,andtheaudiblesignal stops.

•Toretractthetransducer,pressUpontheOperatingPanel.

Thetransducercanalsobeloweredtoanyselectedmiddleposition.OntheOperating Panel,pressMiddle.Incaseofpowerfailure,thetransducercanberaisedorlowered manuallybymeansofahandcrank.

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SimradST90InstallationManual

Note

IfyouforgettohoistthetransducerbeforetheST90isswitchedoff,thetransduceris hoistedautomaticallybeforethepowerisdisconnected.Thetransducerisalsohoisted automaticallyifaseriousmalfunctionoccurstothecommunicationbetweenthebridge andthehullunit.

Caution

Ifthetransducerhitslargerobjectsorbottom,thetransducershaftmaybebent,or

-inworstcase-itcanbebrokenoff.Abrokentransducershaftwillcausewater

leakagethroughthetopoftheshaft.Ifyoususpectthatthetransducershaftisseriously damagedwithholes,donot

Topreventseriousdamagetothevesselorthevesselstability,youmusthaveawater pumpandawarningsysteminthesonarroom.

retractthetransducertoitsupperposition.

Relatedtopics

Systemunits,page23 Scopeofsupply,page32 Installingthehullunit,page124 HullUnitpowerrequirements,page394 ST92HullUnitweightandoutlinedimensions,page398 ST93HullUnitweightandoutlinedimensions,page398 ST94HullUnitweightandoutlinedimensions,page399 HullUnitenvironmentalrequirements,page401 HullUnitcompasssafedistance,page404 447567HullUnitdimensionsST92,page425 435546HullUnitdimensionsST93,page428 447545HullUnitdimensionsST94,page431 Settingtoworksummary,page242 Startingupthehullunit,page257 Hullunitdescription,page27 Hullunitfamiliarization,page133 MotorControlUnitfamiliarization,page261 InitialsafetycheckoftheMotorControlUnit,page262 Checkingthehostingmotor’s3-phaseACconnections,page263 Connectingthe3-phaseACpowertotheMotorControlUnit,page265 Ventingthetransducershaftsleeve,page266 Checkingthe3-phaseconnectionforcorrectrotation,page268 CheckingtheoperationoftheHoistingandLoweringcontactors,page270 Checkingthetransducerloweringandhoistingfunctionality,page273

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SimradST90

Transducerdescription

ThecylindricalST90transducerallowsthesonarbeamtoprovideafull360degrees coverageofthewatervolume.

ALowerpartofshaftsleeve

BLowerpartoftransducershaft

CTransducerwithitsredprotectivecoating

Thetransducerconvertstheelectricenergygeneratedbythe TransceiverUnittophysicalvibrations.Thesevibrationsalter thewaterpressure,andcreateanacousticpulsethatissentinto thewater.Theacousticsignalistransmittedasabeam.The durationoftheacousticpulse,aswellasitsfrequencyand shape,arecontrolledbytheTransceiverUnit.Thedirection andopeningangleofthebeamiscontrolledbytheTransceiver Unitandthephysicalpropertiesofthetransducer.After thetransmission,thetransducerworksasa"microphone".It convertsthewaterpressurecreatedbytheacousticechoesto electricenergy.TheseweakechosignalsaresenttotheampliersintheTransceiverUnit.

Thetransducerislargeandheavy.Itcontains384individualelements.

Thetransducerismountedatthebottomendofthehullunit’stransducershaft.This allowsthetransducertobeloweredintothewaterforoperationaluse,andretractedfor protectionwhentheST90isturnedoff.Byloweringthetransducerintothewater,you mayalsobeabletoreducethenoisecreatedbythelaminarowofwateralongthehull.

Note

Theredprotectivecoatingisanvitalpartofthetransducer.Itisveryimportantthat neitherthiscoatingnortheinternalpartsofthetransduceraredamagedduringthe handling,installationorcleaning.Anyholesand/orscratchesinthetransducersurface willallowwatertopenetratethetransducer.Ifaleakoccurs,thetransducermustbe replaced.

Rulesfortransducerhandling

•Donotactivatethetransducerwhenitisoutofthewater.

•Donothandlethetransducerroughlyandavoidimpacts.

•Donotexposethetransducertodirectsunlightorexcessiveheat.

•Donotdamagetheouterprotectiveskinofthetransducer.

•Donotusehigh-pressurewater,sandblasting,metaltoolsorstrongsolventstoclean thetransducer.

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SimradST90InstallationManual

•Donotsteponthetransducercables.

•Donotdamagethetransducercables,andavoidexposuretosharpobjects.

Relatedtopics

Installationtrunkdescription

Theinstallationtrunkprovidesthephysicalfoundationfortheentirehullunit.The installationtrunkpenetratesthehull.Itisthereforeacrucialpartofthehullunit assembly.InordertoensureproperST90operation,thephysicallocationofthe installationtrunkmustbecarefullyselected.

Note

Theinstallationtrunkisnotincludedinthestandarddelivery.

Theinstallationtrunkisnotusedwhenagatevalveismounted.Theinstallationtrunkis replacedwithatransducerdock.

Theinstallationtrunkmaybefabricatedbytheshipyard,orsuppliedbyKongsberg Maritimeasanoption.Thedrawingsoftheinstallationtrunkandtheblindangeare includedinthismanual.

Theinstallationtrunk-withablindange-canbeorderedfromKongsbergMaritimeas anoptionaldelivery.Asanalternative,theinstallationtrunkcanbemanufacturedbythe shipyardbasedonthedrawingsinthismanual.Alocallymanufacturedinstallationtrunk canbeadjustedtobettertthepropertiesofthevessel’shull.

Note

Iftheinstallationtrunkismanufacturedlocally,theinstallationshipyardisresponsible forobtainingtheapprovalcerticatesfromtherelevantnationalregistry.

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Relatedtopics

Systemunits,page23 Scopeofsupply,page32 Mountingtheinstallationtrunk,page109 436691Installationtrunkdimensions,page435 207485Blindangedimensions(ø760mm),page438

SimradST90

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SimradST90InstallationManual

Scopeofsupply

Topics

Basicitemsprovidedwithastandarddelivery,page32

Additionalrequireditems,page35

Additionaloptionalitems,page39

Basicitemsprovidedwithastandarddelivery

ToassembleacompleteST90system,youwillneedasetofsystemunits.Themain unitsrequiredareprovidedwiththestandarddelivery.Otherrequiredunitsmaybe purchasedfromKongsbergMaritimeorobtainedlocally.Someunitsareoptional.

WhenyouunpackthepartsprovidedwiththeST90delivery,makesurethatthecorrect itemsareincluded.

Basicitems

ItemPartnumberInthebox

TransceiverUnit

ProcessorUnit

OperatingPanel(Mk1)

OperatingPanel(Mk2)

Connectioncable

TheST90supportstwodifferentoperatingpanels.Thesearereferredtoas"Mk1"and"Mk2".

441481

441484Computer

SH8-203593

442453

329512

TransceiverUnit Powercable Ethernetcable(10m)

Powercable Seriallineconnectorsandadapters DVItoVGAadapter Documentation Software PhoenixContact"VariosubRJ45 Quickcon"connectorx2

OperatingPanel Interfacecables Mountinghardware

OperatingPanel Ethernetcable Mountinghardware

Ethernetcable(100m)

HullUnit

TheST90Fishndingsonarcanbeprovidedwithoneofthefollowinghullunits.The sametransducerisusedonallhullunittypes.Thesameinstallationtrunkisusedon allhullunittypes.

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SimradST90

ItemPartnumberInthebox

HullUnitST92

HullUnitST93

HullUnitST94

EachhullunitisprovidedwithanO-ringforusebetweenthehullunitangeandthetopofthe installationtrunk(ortransducerdock).Relevantmountinghardware(bolts,nutsandwashers)are alsoincluded.

441486

441488

438520

441490

441492

441494

HullUnit Transducer Transducercable4.6m O-ring(540-078749)

HullUnit Transducer Transducercable7m O-ring(540-078749)

HullUnit Transducer Transducercable4.6m O-ring(540-078749)

HullUnit Transducer Transducercable7m O-ring(540-078749)

HullUnit Transducer Transducercable4.6m O-ring(540-078749)

HullUnit Transducer Transducercable7m O-ring(540-078749)

Operationalsoftware

Operationalsoftwareisprovidedonasuitablemedia.Theoperationalsoftwareis installedontheProcessorUnit,andreadyforuse.

End-userdocumentation

End-userdocumentationisprovidedonpaperand/ordigitalformats.Alldocumentation relatedtooperationandinstallationcanbedownloadedfromourwebsite.

•https://www.simrad.com/st90

Relatedtopics

Scopeofsupply,page32 Installingthehullunit,page124 HullUnitpowerrequirements,page394 ST92HullUnitweightandoutlinedimensions,page398 ST93HullUnitweightandoutlinedimensions,page398 ST94HullUnitweightandoutlinedimensions,page399 HullUnitenvironmentalrequirements,page401 HullUnitcompasssafedistance,page404 447567HullUnitdimensionsST92,page425

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435546HullUnitdimensionsST93,page428 447545HullUnitdimensionsST94,page431

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SimradST90

Additionalrequireditems

AdditionalitemsareavailablefortheST90.SomearerequiredforST90operation. TheseitemsmustbeaddedtotheST90forfulloperationalfunctionality.Theadditional itemscanbeprovidedbyKongsbergMaritime.Youcanorderthemwiththeotherbasic ST90items.Y oucanalsopurchasetheseitemsfromyourdealer,agentorlocalsupplier.

Topics

Installationtrunk,page35

Display,page36

UninterruptiblePowerSupply(UPS),page37

Speedlog,page37

Coursegyro,page38

Installationtrunk

Aninstallationtrunkisrequiredforhullunitinstallation.Theinstallationtrunkisnot includedinthestandarddelivery.

Theinstallationtrunkmaybefabricatedbytheshipyard,orsuppliedbyKongsberg Maritimeasanoption.Thedrawingsoftheinstallationtrunkandtheblindangeare includedinthismanual.

Note

IfyouarereplacinganoldersonarwithanewST90,youmaynotneedtoinstallanew installationtrunk.Adedicatedtrunkextendercanbeprovidedtoincreasetheheightof yourexistinginstallationtrunk.

ItemPartnumber

Installationtrunk

Trunkextender

Drawing

441679436691

391397374676FromSU90

441659439413FromSX90

Inthebox

Installation trunk Blind ange 207485 Rubber gasket

toST90 Height: 180mm

toST90 Height: 350mm

TheoptionalinstallationtrunkofferedbyKongsbergMaritimeisapprovedbyDet NorskeV eritas(DNVGL),andincludesablindangeandarubbergasket.

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SimradST90InstallationManual

Note

Iftheinstallationtrunkismanufacturedlocally,theinstallationshipyardisresponsible forobtainingtheapprovalcerticatesfromtherelevantnationalregistry.

Relatedtopics

Scopeofsupply,page32 Mountingtheinstallationtrunk,page109 436691Installationtrunkdimensions,page435 207485Blindangedimensions(ø760mm),page438

Display

ThedisplayisnotastandardpartoftheST90delivery.Thisisacommercialitemthat canbepurchasedlocally.

AnycommercialdisplaycanbeusedwiththeST90Fishndingsonar,providedthat thedisplaymeetstheminimumrequirements.Thechosendisplaymustbedesignedfor maritimeuse,anditmustmeettheminimumperformancespecications.Y oumustalso makesurethatthechosendisplaysupportsthevideoformatsprovidedbytheProcessor Unit.

Wesuggestthatyoupurchasealargehigh-resolutiondisplay.

KongsbergMaritimemayprovideasuitabledisplay.

Display

HattelandJH19T14

IsicDuraMONWSMD24

IsicDuraMONMD24Glass

PartnumberInthebox

335513

339785

383050

354265

417776

419970

Display(19",1280x1024) Powercable Documentation

Mountinghardware

Display(24",1920x1080) Powercable Documentation

Mountingbracket

Display(24",1920x1080) Powercable Documentation

Mountingbracket

Relatedtopics

Scopeofsupply,page32

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UninterruptiblePowerSupply(UPS)

ItisimportanttoensurecontinuousoperationoftheST90independentofvaryingquality ofthevessel'smainssupply .Theuseofuninterruptiblepowersuppliesistherefore required.

SimradST90

Uninterruptiblepowersupplyunitsarenot

includedinthestandardST90delivery .These

itemsmustbepurchasedlocally.

Severalcommercialtypesareavailable.Tochoosethebestpowersolutionforyour ST90installation,considerenvironmentalconditions,spaceavailable,theavailability anddurationofthebatteries,andthepowerrequirementsoftheST90.

Twosystemsarerequired:

1OnepowersystemisrequiredtopowertheProcessorUnitandthedisplay.

2OnepowersystemisrequiredtopowertheTransceiverUnit.

Theminimumrequirementsfortheuninterruptiblepowersupply(UPS)are:

•Inputvoltage:Theinputvoltagemusttvesselsupplyvoltage.

•Outputvoltage:230V AC,50Hz

•Outputpower:

–ProcessorUnit+Display:1000W

–TransceiverUnit:1500W

•Outputform:TheoutputACvoltagemustbeasinewave.

Relatedtopics

Scopeofsupply,page32

Speedlog

Inordertooperatecorrectly,theST90requiresinputfromaspeedlog.Aspeedlogis normallynotapartoftheST90delivery.WhenaspeedlogisconnectedtotheST90,the vessel’scurrentspeedcanbepresentedintheuserinterface.

Note

Withouttheinputfromaspeedlog,theST90willneitherbeabletopresentcorrect navigationalinformation,norcompensateforvesselmovements.Thislackof compensationwillpreventtheST90fromprovidingcorrectechoinformation.

Inmostcasesasuitablesensorisalreadyinstalledonthevessel.Aglobalpositioning system(GPS)withacompatibleoutputformatcanalsobeused.

Thespeedloginterfacerequirementsare:

•Serialline:StandardNMEA0183datagramformats

•Ethernet(LAN)line:StandardNMEA0183datagramformats

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Relatedtopics

Scopeofsupply,page32

Coursegyro

Inordertooperatecorrectly,theST90requiresinputfromacoursegyro.Acoursegyro isnotapartoftheST90delivery.WhenacoursegyroisconnectedtotheST90,the vessel’scurrentheadingcanbepresentedintheuserinterface.

Note

Withouttheinputfromacoursegyro,theST90willnotbeabletopresentcorrect navigationalinformation.

Inmostcasesasuitablecoursegyroisalreadyinstalledonthevessel.Aglobal positioningsystem(GPS)withacompatibleoutputformatcanalsobeused.

Thecoursegyrointerfacerequirementsare:

•Serialline:StandardNMEA0183datagramformats

•Ethernet(LAN)line:StandardNMEA0183datagramformats

Relatedtopics

Scopeofsupply,page32

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SimradST90

Additionaloptionalitems

AdditionalitemsareavailablefortheST90.SomeareoptionalforST90operation. Theseitemsmayforexamplesimplifytheinstallation,orincreasethefunctionality.Y ou canorderthemwiththeotherbasicST90items.Y oucanalsopurchasetheseitems fromyourdealer,agentorlocalsupplier.

Topics

Secondarydisplay,page39

SecondaryOperatingPanel,page40

Globalpositioningsystem(GPS),page41

MotionReferenceUnit(MRU),page41

Seriallinesplitter,page42

Gatevalve,page42

Extendedrange,page43

Audiosystem,page44

Secondarydisplay

Youcanuseone,twoorthreedisplaysonyourST90ProcessorUnitdependingon personaland/oroperationalpreferences.ThedisplayisnotastandardpartoftheST90 delivery.Thisisacommercialitemthatcanbepurchasedlocally.

Tip

TheDockingViewsfunctionprovidedbytheST90allowsyoutorearrangethephysical positionsoftheviews,andchangetheirsizes.Eachoperatingmodeispresentedwith asetofviews.Theseareplacedatdifferentpositionswithdifferentsizes.Withthe

DockingViewsfunctionyoucanmoveandre-sizetheviewsintheST90presentation.If

youhaveseveraldisplaysconnectedtoyourProcessorUnityoucanevenmoveselected viewstoanotherdisplay.

Forthisreasonyoumaynditusefultohavemorethanonedisplayconnectedtothe ST90.

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SimradST90InstallationManual

Tip

IfyoualsowanttocontroltheST90fromthissecondarydisplaylocation,youcanaddan extraOperatingPanel.

IfthedistancebetweentheProcessorUnitandyourseconddisplayisconsiderable,we suggestthatyouuseKVM(KeyboardV ideoMouse)technologytopreservethevideo quality.

KongsbergMaritimemayprovideasuitabledisplay.Consultyourlocaldealeroragent formoreinformation.

Relatedtopics

Scopeofsupply,page32

SecondaryOperatingPanel

AsecondaryOperatingPanelmaybeconnectedtotheST90ProcessorUnit.Thismay beusefulinconjunctionwithaseconddisplayifyouwishtocontroltheST90fromtwo differentlocationsonyourvessel.

ThecontrolsprovidedbytheOperatingPanelare arrangedinlogicalfunctionalgroups.Thisoffers youclearandeasyoperationwithfastaccesstokey functionality.ThemajorityoftheST90functionscan beaccessedusingthetrackballontheOperatingPanel andthemenusystemshownintheST90presentation. Youcanalsouseastandardcomputermousetocontrol theST90.ThemousecanbeconnectedtoeithertheOperatingPanelordirectlyto theProcessorUnit.

ItemPartnumberInthebox

SecondaryOperatingPanel (Mk2)

Tip

442453

OperatingPanel Ethernetcable Mountinghardware

IfthedistancebetweentheProcessorUnitandyourseconddisplayisconsiderable,we suggestthatyouuseKVM(KeyboardV ideoMouse)technologytopreservethevideo quality.

Relatedtopics

Scopeofsupply,page32 SettinguptheOperatingPanel(Mk2),page278 UsingasingleOperatingPaneltocontrolmorethanonesonar(Mk2),page320 UsingmorethanoneOperatingPaneltocontrolthesonar(Mk2),page324

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SimradST90

Globalpositioningsystem(GPS)

Aglobalpositioningsystem(GPS)mustbeconnectedtotheST90.Whenaglobal positioningsystem(GPS)connectedtotheST90,thevessel’scurrentgeographical positioncanbepresentedintheuserinterface.Itwillalsoprovidelatitudeandlongitude informationforthecursorandmarker(s).Inadditiontonavigationaldata,theglobal positioningsystem(GPS)canalsobeusedtoprovidespeedinformation.

Note

Mostglobalpositioningsystem(GPS)canprovidecourseinformation,butthisdatais generallytooinconsistenttoprovideastableST90presentation.

Theglobalpositioningsystem(GPS)interfacerequirementsare:

•Serialline:StandardNMEA0183datagramformats

•Ethernet(LAN)line:StandardNMEA0183datagramformats

Relatedtopics

Scopeofsupply,page32

MotionReferenceUnit(MRU)

Inordertooperatecorrectly,theST90requiresinputfromamotionreferenceunit (MRU).Bydefault,theST90usesabuilt-inmotionsensor.Itisplacedinsidethe MotorControlUnit.Forimprovedoperationalaccuracy,anexternalmotionreference unit(MRU)maybeused.

Note

Withouttheinputfromamotionreferencesensor ,theST90willnotbeabletocompensate forthevesselmovements.ThislackofcompensationwillpreventtheST90from providingcorrectechoinformation.

TheST90hasbeendesignedtomatchthemotionreferenceunit(MRU)sensors manufacturedbyKongsbergSeatex.Descriptionsofallavailabletypesareprovidedon theirwebsite.

•https://www.km.kongsberg.com/seatex

Forthemotionsensorunit(MRU)tocommunicatewiththeST90,itmustsupportthe followinginterfaceformat:

•KongsbergEMAttitude3000

TheEMAttitude3000isaproprietarydatagramformatcreatedbyKongsberg Maritimeforusewithdigitalmotionsensors.Itholdsroll,pitch,heaveandheading information.Thedatagramcontainsa10-bytemessage.

KongsbergMaritimemayprovideasuitablemotionreferenceunit.Consultyourlocal dealeroragentformoreinformation.

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SimradST90InstallationManual

MotionReferenceUnit(MRU)

SeatexMRU-D

PartnumberInthebox

–

MotionReferenceUnit(MRU) Documentation

Relatedtopics

Scopeofsupply,page32

Seriallinesplitter

Onlargeinstallationswithmanyhydroacousticsystems,theseoftenrequirethesame navigationalinformationfromasinglesensor.

Informationsuchascurrentdepthorspeedisprovidedonserialformat.Oneormore seriallinesplitterscanbeusedtodistributetheinformationfromasinglesensorto severaldifferentrecipients.

ItemPartnumberInthebox

Seriallinesplitter

337775

317156

Seriallinesplitter(Øverland UPC-5000P) TheØverlandUPC-5000Pserialline splitterofferstwoseparateinputsand fteenRS-232andRS-422outputs.

Seriallinesplitter(ØverlandUPC-3005) TheØverlandUPC-3005serialline splitteroffersoneinputandeight RS-232andRS-422outputs.

Relatedtopics

Scopeofsupply,page32

Gatevalve

Onsomevessels,additionaltransducerprotectionisrequired.Oneexampleisvessels workinginarcticconditions.Itisimportantforthemtopreventicefromdamagingthe transducer.Agatevalvecanthenbeaddedtothehullunitinstallation.Bymeansofa mechanicalconstructionitshutsoffthebottomoftheinstallationtrunkwhentheST90is notused.ThegatevalveismanufacturedbyLKV alves.

Note

Theinstallationtrunknormallyusedforhullunitinstallationisnotusedwhenagate valveismounted.Theinstallationtrunkisreplacedwithatransducerdock.

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SimradST90

Gatevalve

DN500Manuallyoperatedgate valve

DN500Hydraulicoperatedgate valve

Mountingange

Transducerdock

Eachgatevalveisavailableinseveraldifferentversionswithdifferentcerticatesandsupplyvoltages. Consultyourdealerformoreinformationaboutthegatevalvesavailable.

PartnumberInthebox

–

599–082973

427177

Gatevalve Mountinghardware Documentation

Gatevalve HydraulicPowerPack GateValveControlUnit Mountinghardware Documentation

Mountingange(forgatevalveDN500)

Transducerdock

Note

Thegatevalveisplacedatthebottomofthetransducerdock.Itwillthenincreasethe totalheightofthehullunitinstallation.

•Thehullunitlowersthetransducerdowntoaspecieddepthbelowtheship’ shull. Thisdepthisdecreasedwiththephysicalheightofthegatevalve.Itisfurther decreasedwiththeheightofthemountingange.

•TheST90allowsyoutodeneamiddlepositionforthetransducer .Whenyoudene themiddleposition,youmusttakethetotalheightofthegatevalveandthemounting angeintoconsideration.

TheST94HullUnitlowersthetransducerto2.1metresbelowthehull.Thishullunit isabetterchoiceifagatevalveisused.

TechnicalinformationaboutthisunitisnotincludedinthisST90InstallationManual. Refertotherelevantend-userdocumentationprovidedbythemanufacturer.

Relatedtopics

Scopeofsupply,page32 InstallingtheoptionalgatevalveDN500,page85 082973MountingangeDN500,page446 083045GatevalveinstallationDN500,page449 33498GatevalvedimensionsDN500,page451 37357GatevalvedimensionsDN500,page454

Extendedrange

TheST90canbesetupforextendedoperationalrange.

Duetointernationalregulations,sonarswithanoperationalrangeexceeding5000meters cannotbeexportedtocertaincountrieswithoutanexportlicense.Forthisreasonthe maximumrangeontheST90hasbeenlimitedto4500meters.Ifanexportlicenceis obtained,therangeontheST90canbeextendedtoitsmaximumcapacity.

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SimradST90InstallationManual

ItemPartnumberInthebox

Extendedrange

Note

446549

Software

Eventhoughyoucanchoosealargerangevalue,thatdoesnotmeanthatyoucandetect yourtargetsonthesamerange.Therangevalueonlydenestherangethatisshownin theviews.Actualtargetdetectionwillalwaysdependontheoperationalenvironment, suchaswatertemperature,salinity,interferenceandlayersinthewatercolumn.

Relatedtopics

Scopeofsupply,page32

Audiosystem

TheaudiooutputprovidedbytheST90addssoundtotheuserexperience.Many experiencedusersndtheaudioinformationveryuseful.Theyclaimthattheaudio informationincreasestheefciencyoftheST90.Atrainedeareasilydetectsechoes bythewaytheysound.

Touseaudio,youmustconnectanamplierwithloudspeakerstotheaudiooutputonthe ProcessorUnit.Y oucanuseanamplierwithaheadset,oracommercialPCspeaker system.Theaudiosystemmustbeprovidedwithaseparatevolumecontrol.

Thenecessaryaudiocomponentsmustbepurchasedlocally.

Abouttheaudiooutput

TheaudiooutputontheProcessorUnitisalineoutput.Nopoweramplierisprovided tocreatesound.

Theaudiooutputmustthereforebeconnectedtoapoweredaudiosystem.Theaudio systemmustbeprovidedwithaseparatevolumecontrol.TheMutebuttononthe OperatingPanelenablesordisablestheaudiooutput.Itdoesnotprovidevolumecontrol.

Note

Donotconnectaloudspeakerdirectlytotheaudiooutput.Thismaydamagetheaudio outputcircuitry.

Werecommendthatoneofthefollowingoptionsisusedforaudio.

•CommercialpoweredloudspeakersforPCuse.

•Commercialstereosystemwithamplierandtwo(ormore)loudspeakers.

•Headphonesforuseonanyoftheampliersystems.

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SimradST90

Poweredloudspeakers

Wesuggestthatyouchooseaspeakersystemthatsupportsavolumecontrolandan outputforheadphones.

AcommercialpoweredspeakersystemforPCusecanbeobtainedfromalmostanykind ofshopforelectricappliances,homestereoorcomputers.Thereisnoneedtoinstall alargebassspeaker.Thenumberofspeakers,sizeandpoweroutputcanbeselected tosuitthecrewpreferences.Thelocationofthespeakersmustbedecidedtoallowfor easyadjustmentoftheaudiolevel.

Stereosystem

Ifastereosystemisalreadyinstalledonthebridge,theaudiooutputfromtheST90can beconnectedtoanauxiliaryinput.Theadvantageofthissetupisthatmoststereosystems areprovidedwitharemotecontrol,andthisallowsforeasyadjustmentoftheaudiolevel.

Relatedtopics

Scopeofsupply,page32

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SimradST90InstallationManual

Generalsafetyrules

Safetyisimportant.Thesafetyprecautionsmustbefollowedatalltimesduring installationandmaintenancework.

WARNING

TheST90operateson1 15VACand/or230VACat50/60Hz.Thisvoltageislethal! Youmustneverworkaloneonhigh-voltageequipment!

Thehullunitispoweredbya3-phasehighvoltage.

Thisequipmentmustbeservicedonlybyqualiedpersonnelfamiliarwiththe constructionandoperationoftheST90,aswellasthepotentialhazardsinvolved. Failuretoobservethisprecautioncouldresultinbodilyinjury.

1Youmustalwaysswitchoffallpowerbeforeinstallationormaintenanceworkon

theST90system.

Usethemaincircuitbreaker,andlabelthebreakerwithawarningsignthatinforms othersthatmaintenanceorinstallationworkisinprogressonthesystem.

2Forsafetyreasons,twopersonsmustalwaysbepresentduringtroubleshooting

withpowerON.

3Readandunderstandtheapplicablerstaidinstructionsrelatedtoelectricshock.

4Whenevermaintenanceisinprogress,itisessentialthatarstaidkitisavailable,

andthatallpersonnelarefamiliarwiththerstaidinstructionsforelectricalshock.

5Thevariouspartsofthesystemmaybeheavy.

Makesurethattheappropriatetoolsandcertiedliftingequipmentareavailable. Thepersonnelmustbetrainedinrelevantinstallationandmaintenancework.

Relatedtopics

Installationrequirements,page47

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Installationrequirements

Topics

Supplypowerrequirements,page47

UninterruptiblePowerSupply(UPS)requirements,page47

Cablesandwiringrequirements,page48

Compassdeviationrequirements,page48

Noisesources,page49

Drydockingrequirements,page49

Requirementforclassicationapproval,page49

SimradST90

Supplypowerrequirements

Observethegeneralrequirementsrelatedtothesupplypower.

ThesupplyvoltagetotheST90mustbekeptwithin±10%oftheinstallation’snominal voltage.

Maximumtransientvoltagevariationsonthemainswitchboard’sbus-barsarenotto exceed-15%to+20%ofthenominalvoltage(exceptunderfaultconditions).

Relatedtopics

Installationrequirements,page47

UninterruptiblePowerSupply(UPS)requirements

ObservetheserequirementsrelatedtotheUninterruptiblePowerSupply(UPS).

ItisimportanttoensurecontinuousoperationoftheST90independentofvaryingquality ofthevessel'smainssupply .Theuseofuninterruptiblepowersuppliesistherefore required.

Uninterruptiblepowersupplyunitsarenot itemsmustbepurchasedlocally.

includedinthestandardST90delivery .These

Twosystemsarerequired:

1OnepowersystemisrequiredtopowertheProcessorUnitandthedisplay.

2OnepowersystemisrequiredtopowertheTransceiverUnit.

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SimradST90InstallationManual

Theminimumrequirementsfortheuninterruptiblepowersupply(UPS)are:

•Inputvoltage:Theinputvoltagemusttvesselsupplyvoltage.

•Outputvoltage:230V AC,50Hz

•Outputpower:

–ProcessorUnit+Display:1000W

–TransceiverUnit:1500W

•Outputform:TheoutputACvoltagemustbeasinewave.

Relatedtopics

Installationrequirements,page47

Cablesandwiringrequirements

CorrectwiringiscrucialfortheoperationalperformanceoftheST90.

Allcablesrunningbetweensystemcabinetslocatedindifferentroomsand/orondifferent decksmustbesupportedandprotectedalongtheirentirelengthsusingconduitsand/or cabletrays.Notethatthecablesmustnotbeinstalledinthevicinityofhigh-power suppliesandcables,antennacablesorotherpossiblesourcesofinterference.

Formoredetailedinformationaboutcablesandwiring,refertothebasiccable requirements.

Relatedtopics

Installationrequirements,page47

Compassdeviationrequirements

ST90unitsthatareinstalledonthebridgemayhaveaneffectonthecompass.

Oncetheinstallationiscomplete,thevesselmustbeswungwiththeST90inboth operativeandinoperativemodes.

Theshipownerandcaptainareresponsibleforupdatingthecompassdeviationtable accordinglywithregardtothevessel’snationalregistryandcorrespondingmaritime authority.

Relatedtopics

Installationrequirements,page47

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Noisesources

TheoperationalperformanceoftheST90Fishndingsonardependsonthenoise conditions.Itisessentialthatthenoisesignatureisaslowaspossible.

Thevessel’shull,rudder(s)andpropeller(s)mustbethoroughlyinspectedindrydock priortoinstallation.

Roughnessbelowthewater-linedeformitiesintheshellplatingandprotrudingobstacles cancreateunderwaternoise.Thesesourcesofturbulencemustbesmoothedorremoved asbestaspossible.

Note

Itisespeciallyimportantthatthepropeller(s)arenotpittedordamaged.

Relatedtopics

Installationrequirements,page47

SimradST90

Drydockingrequirements

Wheneverahullunitandaninstallationtrunkaremountedunderthevessel’shull, specialconsiderationsmustbemadepriortodrydocking.

MakesurethatampleclearanceundertheST90installationtrunkand/orblisteris providedwhenyouareplacingthevesselindrydock.A voidlocatingsupportingblocks orstructuresinthevicinityoftheST90installationtrunk.

Priortodrydocking,powerdowntheST90.Disengagethecircuitbreakerifnecessary . LabeltheProcessorUnitand/orthecircuitbreakerclearlytopreventanyonefrom poweringuptheST90accidentally.

Note

ThelocationoftheST90installationtrunkmustbenotedonthevessel’ sdockingplan forfuturereference.

Relatedtopics

Installationrequirements,page47

Requirementforclassicationapproval

ClassicationapprovalisrequiredfortheST90installation.

TheST90sonartrunkinstallationmustbeapprovedbyDNVGLoranothernational classicationsociety.Theshipownerandshipyardperformingtheinstallationare responsibleforobtainingtheclassicationapproval.

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Relatedtopics

Installationrequirements,page47

Networksecurity

IfaST90systemisconnectedtoalocalareanetwork,datasecurityisimportant.

EquipmentmanufacturedbyKongsbergMaritimeisfrequentlyconnectedtothevessel's localareanetwork(LAN).Whenyouconnectacomputertoalocalareanetworkyou willalwaysexposethedataonthatcomputer.Allothercomputersconnectedtothesame networkmaybeabletoaccessyourdata.Severalthreatsmayimmediatelyoccur:

•Remotecomputerscanreadthedata.

•Remotecomputerscanchangethedata.

•Remotecomputerscanchangethebehaviourofthecomputer,forexampleby installingunwantedsoftware.

Usually,twoparametersareusedtodenethethreatlevel:

1Thelikelihoodthatanyremotecomputerwilldoanyoftheabove.

2Thedamagedoneifaremotecomputersucceedsdoingthis.

KongsbergMaritimehasnoinformationregardingthecompletesysteminstallationon anyvessel.SystemsprovidedbyKongsbergMaritimeareregardedasstand-aloneofine systems.Theyarestand-aloneeventhoughtheymaybeconnectedtoanetworkfor sensorinterfacesand/ordatadistribution.

Note

NonetworksafetyapplicationsareinstalledonKongsbergMaritimecomputers.The computersarethereforenotprotectedagainstviruses,malwareorunintentionalaccess byexternalusers.

SecuringtheST90systemitselfhasnomeaningunlessthereisapolicyinplacethat securesallcomputersinthenetwork.Thispolicymustincludephysicalaccessbytrained andtrustedusers.Thecustomer/enduseroftheST90systemwillalwaysbeincharge ofdeningandimplementingasecuritypolicy,andprovidingtherelevantnetwork securityapplications.

Note

KongsbergMaritimewillnotacceptanyresponsibilityforerrorsand/ordamagescaused byunauthorizeduseoforaccesstotheST90.

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SimradST90

Supportinformation

IfyouneedtechnicalsupportforyourSimradST90youmustcontactyourlocaldealer, oroneofoursupportdepartments.Alistofallourofcesanddealersisprovidedonour website.Y oucanalsocontactourmainsupportofceinNorway.

Norway(mainofce)

•Companyname:KongsbergMaritimeAS/Simrad

•Address:Strandpromenaden50,N-3190Horten,Norway

•Telephone:+4733034000

•Telefax:+4733042987

•Website:https://www.simrad.no

•E-mailaddress:simrad.support@simrad.com

Spain

•Companyname:SimradSpainS.L.U

•Address:PartidaAtalayes20,03570Villajoyosa,Spain

•Telephone:+34966810149

•Telefax:+34966852304

•Website:http://www.simrad.es

•E-mailaddress:simrad.spain@simrad.com

France

•Companyname:SimradFrance

•Address:5ruedeMenMeur,29730Guilvinec,France

•Telephone:+33298582388

•Telefax:+33298582388

•Website:http://www.simrad.fr

•E-mailaddress:simrad.france@simrad.com

USA

•Companyname:KongsbergUnderwaterTechnologyInc/SimradFisheries

•Address:1921033rdAveW,SuiteB,Lynnwood,WA98036,USA

•Telephone:+14257121136

•Telefax:+14257121193

•Website:https://www.simrad.com

•E-mailaddress:sh.usa.support@simrad.com

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Canada

•Companyname:KongsbergMesotechLtd.

•Address:1598KebetWay,PortCoquitlam,BC,V3C5M5,Canada

•Telephone:+16044648144

•Telefax:+16049415423

•Website:https://www.simrad.com

•E-mailaddress:simrad.canada@simrad.com

Malaysia

•Companyname:KongsbergMaritimeMalaysiaSdn.Bhd

•Address:Unit27-5SignatureOfces,TheBoulevard,MidV alleyCity,Lingkaran SyedPutra,59200KualaLumpur,Malaysia

•Telephone:+6564117488

•Telefax:+60322013359

•Website:https://www.simrad.com

•E-mailaddress:simrad.asia@simrad.com

Korea

•Companyname:KongsbergMaritimeKoreaLtd

•Address:#1101-HarborT ower,113-1,Nampodong6-Ga,Jung-Gu,Busan600-046 Korea

•Telephone:+82-51-242-9933

•Telefax:+82-51-242-9934

•Website:https://www.simrad.com

•E-mailaddress:simrad.korea@simrad.com

China

•Companyname:KongsbergMaritimeChinaLtd

•Address:555ChuanqiaoRoad,China(Shanghai)PilotFreeTradeZone,201206, China

•Telephone:+86-21-3127-9888

•Telefax:+86-21-3127-9555

•Website:https://www.simrad.com

•E-mailaddress:simrad.china@simrad.com

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Topics

Installationsummary,page54

Aboutinstallationdrawings,page57

Preparations

Tools,equipmentandconsumablesrequiredforST90installation,page57

Personnelqualications,page58

Choosingthebestlocationforthehullunit,page59

Locationofhardwareunitsonthebridge,page62

Sonarroomrequirements,page66

Acousticnoise,page76

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Installationsummary

InstallationoftheST90isademandingtaskthatrequirescarefulpreparations,anumber ofspecicprocedures,wiringandrequiredsystemsettings.

Context

Anoverallinstallationprocedureisprovided.Thisproceduredoesnotdescribeany detailedtasks.Refertotherelevanttasksinthismanual.

Note

InordertoobtainmaximumsafetyandST90performance,itisveryimportantthatthe installationproceduresinthismanualarecompliedto.Youmustdothetasksintheorder theyaredescribed.Thevesselownermustmakesurethattheinstallationshipyardholds theapplicablecompetencetoperformtheinstallation,andthattheapplicablemaritime authoritiesareavailabletoverifyandcertifytheinstallation.

Thesize,locationanddesignofthesonarroommustfullalltherequirementstothe vessel’ swatertightintegrity.Intheeventofamajorleak,itmustbepossibletocloseall watertighthatchesand/ordoorstotheroomtomaintainvesselstabilityandsafety.The physicalsizeofthesonarroommustbelimited,sothatintheeventofamajorleak,the oodingoftheroomwillnotinduceinstability,orcausethevesseltocapsizeorsink.

Ifrequired,alldocumentsprovidedbytheshipyardforthephysicalinstallationofthe ST90mustbeapprovedbythevessel’snationalregistryandcorrespondingmaritime authorityand/orclassicationsociety.Suchapprovalmustbeobtainedbeforethe installationcanbegin.Theshipownerandshipyarddoingtheinstallationareresponsible forobtainingandpayingforsuchapproval.

Procedure

1Basedonthevesseldrawingsandbestpractice,determinewherethehullunitshall

belocated.

Necessaryconsiderationsmustbetakentoavoidacousticandelectricdisturbances.

Note

Theinformationinthisdocumentmustberegardedasgeneralguidelinesand recommendationsonly.Theinstallationshipyardmustdesignandmanufacture installationhardwaretotthetransducertoeachindividualvessel.Whenever required,theinstallationshipyardmustalsohavethetransducerinstallation approvedbytheapplicablemaritimeauthorities.

•Choosingthebestlocationforthehullunit,page59

•Acousticnoise,page76

TheST90Fishndingsonarcanbeprovidedwithoneofthefollowinghull units.Thesametransducerisusedonallhullunittypes.

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Preparations

HullUnit

Outlinedimensionsdrawings:

-ST92:447567

-ST93:435546

-ST94:447545

Partnumber

4414864.6m ST92

441488

4385204.6m ST93

441490

4414924.6m ST94

441494

Loweringdepth

1.2m

1.6m

2.1m

Transducercable

2Preparethesonarroomtomeettheinstallationrequirements.

•Sonarroomrequirements,page66

3Installthegatevalve.

Theseitemsareonlyinstallediftheoptionalgatevalveisused.

Note

Themountingangewillpenetratethehull.Forthisreason,correctinstallationof themountingangeandthegatevalveiscrucialforthevesselsafety.

Maximumspeed

21knots

16knots

11knots

aInstallthemountingange.

bPlacethegatevalveontopofthemountingange.

cMountthetransducerdockontopofthegatevalve.

dIfrelevant,installtheHydraulicPowerPackandtheGateV alveControlUnit.

•InstallingtheoptionalgatevalveDN500,page85

4Mounttheinstallationtrunk.

Theinstallationtrunkisnotusedwhenagatevalveismounted.

Note

Theinstallationtrunkwillpenetratethehull.Forthisreason,mountingthe installationtrunkcorrectlyisacrucialpartoftheinstallation.

•Mountingtheinstallationtrunk,page109

5MounttheHullUnitontopoftheinstallationtrunkorthetransducerdock.

•Installingthehullunit,page124

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6InstalltheST90systemunits.

NotethatsomeST90systemunitsmaybecommercial.Unlessorderedspecically thesearenotincludedinthedelivery,andmustbepurchasedlocally.

•Locationofhardwareunitsonthebridge,page62

•InstallingtheST90hardwareunits,page146

7InstallthecablesbetweentheST90systemunits.

ThisisdescribedintheCablelayoutandinterconnectionschapter.Observethe relevantcableplan,procedures,aswellasthegeneralrequirementsforcabling.

•Cablelayoutandinterconnections,page159

8InstallthecablesbetweentheST90andtherelevantperipheraldevices.

ThisisdescribedintheCablelayoutandinterconnectionschapter.Observe therelevantcableplan,procedures,aswellasthegeneralrequirementsfor cabling.Formoreinformation,refertotheend-userdocumentationprovidedby themanufacturer.

•Cablelayoutandinterconnections,page159

9TurnontheST90forthersttime,andsetittowork.

Note

InordertoturnontheST90inasafeandcorrectmanner,therelevantprocedures mustbecompliedto!

•Settingtowork,page241

10DoacompleteST90systemtest.

ThetestsaredescribedinSettingtoworkchapterinthismanual.Theyarealso providedintheHarbourAcceptanceT estandtheSeaAcceptanceTestdocuments.

•Settingtowork,page241

Furtherrequirements

FillinandsigntheInstallationRemarksform,andsendittotheSimradsupport departmentasspeciedontheform.

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Preparations

Aboutinstallationdrawings

Theinstallationshipyardmustprovideallnecessarydesignandinstallationdrawings,as wellastherelevantworkstandardsandmountingprocedures.

Note

KongsbergMaritimeoffersfreeadviceforinstallationplanning.Proposedarrangements maybesentforcommentaryorsuggestions.Thefollowingdrawingsshouldbe submittedshouldassistanceberequested:

•Generalarrangement

•Bodyplananddrawingsoftherelevantcompartment

•Linesplan

Relevantoutlinedimensionsandproductiondrawingscanbedownloadfromour website.MostdocumentsareavailableinPDFand/orAutoCad(DWG)formats.

•https://www.simrad.com

Relatedtopics

Installationsummary,page54

Tools,equipmentandconsumablesrequired forST90installation

InordertodotheST90installation,allnecessarytoolsandequipmentformechanical work,cabinetinstallationandelectricalwiringmustbeavailable.

Itisnotpracticaltoprovideadetailedlistofallnecessarytoolsandequipment.Youmust beequippedwithastandardsetoftools.Thistoolsetmustcomprisethenormaltools forelectronicandelectromechanicaltasks.Thisincludesdifferentscrewdrivertypes, pliers,spanners,acablestripper,asolderingiron,etc.Eachtoolmustbeprovidedin varioussizes.Werecommendthatalltoolsaredemagnetizedtoprotectyourequipment. However,youmustmakesurethatthefollowingspecializedtoolsareavailable.

•Allnecessarytoolsandconsumablesrequiredforwelding

•Allnecessarytoolsandconsumablesrequiredforphysicalinstallationofunits, cabinetsandracks

•Allnecessarytoolsandconsumablesrequiredforelectricalinstallations

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•AcranecapableofliftingtheindividualST90cabinet

•Acranecapableofliftingtheentirehullunit

Ifyouneedspecicconsumables,orifspecialtoolsand/ortestinstrumentsarerequired, theseareidentiedintherelevantprocedure(s).

Relatedtopics

Installationsummary,page54

Personnelqualications

TheinstallationoftheST90isademandingtask.Itisveryimportantthatthepersonnel involvedintheinstallationtasksarecompetentandexperiencedcraftsmen.

Asaminimum,thefollowingcertiedcraftsmenmustbeavailable.

•Navalarchitects

•Welders

•Electricians

•Projectmanager

Note

Thequalityoftheweldingiscriticaltothesafetyofthevessel.Weldingmustonlybe donebyacertiedwelder .Ifapplicable,thenalinstallationweldsmustbeapprovedby thevessel’ snationalregistry,thecorrespondingmaritimeauthorityand/orclassication society.Observetherelevantrulesandregulationsrelatedtowelding.

Relatedtopics

Installationsummary,page54

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Choosingthebestlocationforthehullunit

Topics

Aboutthehullunitlocation,page59

Deningtheforeandaftlocationofthehullunit,page60

Deningtheathwartshipslocationofthehullunit,page61

Importantconsiderationsrelatedtonoise,page61

Aboutthehullunitlocation

Selectingthebestpossiblelocationforthehullunitisofvitalimportancefortheoverall ST90performance.Thehullunitlocationmustbeselectedbyaskilledengineerwith experienceinsonartheoryandhullunitinstallation.Simradwillassistifrequired.

Preparations

Note

Theinformationheremustbeconsideredasgeneraladvice.EachST90installationmust behandledseparatelydependingonthehulldesign.

ThephysicallocationoftheST90hullunitdependsonthevessel'sdesignand construction,howthehullisshaped,andhowthewaterrunsalongthehull.Observethe followingconsiderations:

1Thesonarroomchosenforthehullunitlocationmustbeaccessibleunderall

conditions.

2Theaccesstothesonarroommustbelargeenoughtoallowinstallationandremoval

ofthehullunitwithoutdisassemblingit.

3Heatingisaneffectivemethodforreducinghumidity.Theheaterinthesonarroom

mustdimensionedtomaintaintheequipmentwithinitsenvironmentaltolerances. Typicalheatingpowerisminimum1000W.Theheatermustbeinstalledcloseto thedeck.

4Ifitisnotpossibletoconnectthesonarroomtothevessel'sbilgepumpsystem,a

separatebilgepumpforthecompartmentmustbeinstalled.

5Thesonarroommustbeconnectedtothevessel'sventilationsystemtoensurea

supplyofcoolingair.Ifthevesselislikelytooperateintropicalconditions,anair dehumidierisstronglyrecommendedtoreducethelikelihoodofcorrosiondueto condensation.

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Relatedtopics

Choosingthebestlocationforthehullunit,page59 Hullunitdrawings,page424 447567HullUnitdimensionsST92,page425 435546HullUnitdimensionsST93,page428 447545HullUnitdimensionsST94,page431

Deningtheforeandaftlocationofthehullunit

Thehullunitshouldpreferablybelocatedwithin1/3to1/10ofthevessel’sLength BetweenPerpendiculars(LBP)fromitsForwardPerpendicular(FP).

DeviationsshouldnotbemadewithoutconsultingSimrad.

AWaterlevelatnormaltrim

BWeldingmarkstoindicatehullunitlocationwhendocking

CLengthBetweenPerpendiculars(LBP)

D1/3to1/10oftheLengthBetweenPerpendiculars(LBP)

Relatedtopics

Choosingthebestlocationforthehullunit,page59

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Preparations

Deningtheathwartshipslocationofthehullunit

Theathwartshipspositionisnotcritical.ThehullunitmaybelocatedontheCentreLine (CL)ofthevessel,oralongsideitskeel.

Note

Iftheinstallationisoffsetfromthevessel’ scentreline,makesurethattransducer transmissionsandreceptionwillnotbeobstructedbythekeel.

Relatedtopics

Choosingthebestlocationforthehullunit,page59

Importantconsiderationsrelatedtonoise

Theoperationalperformanceofallhydroacousticsystemsdependonthenoise conditions.Itisessentialthatthenoisesignatureisaslowaspossible.Carefulplanning oftheST90installationmayreducetheacousticnoise.

Theinstallationtrunkmustbemountedsothatitremainsverticalduringnormal operatingconditions.Thefairingaroundtheinstallationtrunkmustbestreamlined.The transducermustbeprotrudingfarenoughdowntoreachoutoftheboundarylayer.

Theprimarysourcesofunderwaterdisturbance(otherthanavessel’smainpropellerand bow/sternthruster)thataffectST90receptionperformanceare:

1Mainorbilgekeels

2Zincanodes

3Coolingelementsprotrudingfromthehull

4Equipmentsuchassonartransducers,echosoundertransducersandpilottubes

5Seachests

6Overboarddischarges

7Dentsinthehull

Important

Allappendagestothehull,indentationsandpipein/outletsarepotentialsourcesof underwaternoise.Theymayactasresonantcavitiesamplifyingnoiseatcertain frequencies,createcavitationorturbulence.Transducersshouldnotbelocatedinthe vicinityofsuchobjectsandespeciallynotimmediatelyaftofthem.

Relatedtopics

Choosingthebestlocationforthehullunit,page59

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Locationofhardwareunitsonthebridge

Topics

Basicrequirementsforthelocationofbridgeunits,page62

Maximumdistancebetweeneachbridgeunit,page63

Choosingthebestlocationforthedisplay,page64

ChoosingthebestlocationfortheProcessorUnit,page65

ChoosingthebestlocationfortheOperatingPanel,page65

Basicrequirementsforthelocationofbridgeunits

Theinstallationofthebridgeunitsmustbedonebyqualiedandtrainedpersonnel. Thelocationofeachphysicalunitmustbedecidedwithregardtobasicinstallation requirements.Atthesametime,necessaryconsiderationsmustbemadeforefcientuse andmaintenance.

Observethefollowingbasicrequirements.

1Safenavigation

Thephysicallocationofeachhardwareunitmustnotinanywayhaveanegative effectonthenavigationofthevessel.

Observethe"compasssafedistance"foreachindividualunit.

2Operationalrequirements

Thelocationofeachphysicalunitmustbebasedontheergonomicallycorrect operatingandviewingheights.

3Cablelimitations

Observethemaximumallowablecablelengthsbetweenthevariousunits.

4Environmentalrequirements

Theareasorroomschosenfortheinstallationmustbedry,wellventilatedandfree ofexcessivedustandvibration.

5Maintenanceaccess

Makesurethatallunitsarepositionedforeasyaccesstothecableconnectionson therearsideoftheequipment.

Enoughextracablemustbeallowedtofacilitatemaintenanceandservicewithout disconnectingcables.

Relatedtopics

Locationofhardwareunitsonthebridge,page62

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Maximumdistancebetweeneachbridgeunit

Thecablesusedtoconnectthevariousunitsonthebridgehavelimitedlengths.Observe themaximumdistancesbetweenthebridgeunits.

Preparations

ADisplay(Theseconddisplayisoptional.)

BProcessorUnit

COperatingPanel

DUninterruptiblePowerSupply(UPS)

Listofcables

Allmeasurementsareinmeters.

CableDescription

Thisisacommercialcable.Thepowercableisprovidedwith theuninterruptedpowersupply(UPS)unit.

Thisisacommercialcable.Thepowercableisprovided withthedisplay.

Powercable

Notused

Powercable

Thiscablemustbeprovidedbytheinstallationshipyard.

Length

1.7

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CableDescription

Ethernetcables

Itisveryimportantthathigh-qualityEthernetcablesareused.Y oumustuse CAT-5ESTP(ShieldedT wistedPair)qualityorbetter .Ifyouusecableswith lowerbandwidthcapacityyouwillreducetheST90performance.Themaximum lengthofeachEthernetcableis100meters.Donot theTransceiverUnitusinganexistinglocalareanetwork(LAN).

C10

C11

C12

C13

C14

Notused

AdedicatedEthernetcableisusedtoconnecttheOperating PaneltotheProcessorUnit.

Thesecablesmustbeprovidedbytheinstallationshipyard.

Thiscablemustbeprovidedbytheinstallationshipyard.

Relatedtopics

Locationofhardwareunitsonthebridge,page62

Length

100 C8

connecttheProcessorUnitto

Choosingthebestlocationforthedisplay

Forbestreadability,thedisplaymustbeprotectedfromglareandhavethecorrectheight andangle.

Inmostcases,thedisplaymaybe:

•Panelmounted

•Desktopmounted

•Bulkheadmounted

•Overheadmounted

Tip

Ifseveraldisplaysaremountedonthebridgeforusewithvarioussystems,wesuggest thatyouinstalladisplayselectordevice.Adisplayselectorwillallowyoutosetup theST90(oranyothersystem)tobeviewedonanydisplay,andthismaybechosen dependingonthecurrentoperationstakingplace.

Compasssafedistance

Forthecompasssafedistance,refertothedocumentationprovidedbythemanufacturer.

Relatedtopics

Locationofhardwareunitsonthebridge,page62

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Preparations

ChoosingthebestlocationfortheProcessorUnit

TheProcessorUnitcanbeinstalledinsideaconsole,insideasuitablecabinet,ina19" rackoronadesk.Makesurethatadequateventilationisavailabletoavoidoverheating.

ThephysicalpositionoftheProcessorUnitmustbe chosentottheavailablecablelengthsbetweenthe computerandtheotherunitsitconnectsto.Makesure thatenoughspaceismadeavailableformaintenance purposes.Inordertoallowforfuturemaintenance,we stronglyadvicethatyoumountthecomputerwithitsrearandfrontpanelsavailablefor immediateaccess.Observethelimitationsduetothecablelengths.

Compasssafedistance

•Model:ST90ProcessorUnit(Enix)

•Standardcompass:200cm

•Othercompass:140cm

Relatedtopics

Locationofhardwareunitsonthebridge,page62 Systemunits,page408

ChoosingthebestlocationfortheOperatingPanel

TheOperatingPaneloffersallnecessarycontrolfunctionsfornormaloperationofthe ST90.TheOperatingPanelmustbemountedinanearlyhorizontalposition,andwithin easyviewingrangeofthedisplay.

WerecommendthattheOperatingPanelispositioned inthesamephysicaldirectionasthedisplay,sothat "up"ontheoperatingpanelisthesameas"up"onthe display.Experiencehasshownthatthiswillmakeit easiertousethetrackballontheoperatingpanelwhen youwishtocontrolthecursoronthedisplay.

Compasssafedistance

•Makeandmodel:ST90OperatingPanel

•Standardcompass:Notyetavailable

•Othercompass:Notyetavailable

Relatedtopics

Locationofhardwareunitsonthebridge,page62 Systemunits,page408

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Sonarroomrequirements

Topics

Aboutthesonarroom,page66

Environmentalrequirements,page66

Requirementsforwatertightintegrity,page67

Sizeandaccessrequirements,page68

Requirementsforinsulation,heatingandventilation,page68

Requirementsforelectricalinstallations,cablesandcommunication,page69

Requirementsforbilgepumpanddecking,page70

Liftingrequirements,page71

Orientationofthehullunit,page72

Sonarroomarrangement:T opview,page73

Sonarroomarrangement:Sideview,page74

Sonarroomarrangement:Sideview,page75

Aboutthesonarroom

ThesonarroomisthecompartmentinwhichtheTransceiverUnitandthehullunit areinstalled.

Itisstronglyrecommendedtouseadedicatedcompartmenttohousetheseunits.They mustalsobeinstalledrelativelyclosetoeachotherduetothelimitedlengthofthecables.

Relatedtopics

Sonarroomrequirements,page66 Hullunitdrawings,page424 447567HullUnitdimensionsST92,page425 435546HullUnitdimensionsST93,page428 447545HullUnitdimensionsST94,page431

Environmentalrequirements

TheST90unitsmustbeinstalledinadryanddust-freeenvironment.Theunitsarenot fullyprotectedagainsthumidity,dustorwater.

Itisimportantthatthesonarroomiskeptdry.TheST90unitsmustnotbeexposedto excessivetemperatures,moistureorhumidity.Suchconditionscancausecorrosive attacksandsubsequentfailurestotheelectroniccircuitry.Visitthesonarroomat

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Preparations

regularintervalstochecktemperatureandhumidity,andtakethenecessaryactions iftheenvironmentalconditionsarepoor.

ObservetheenvironmentalspecicationsrelatedtotheST90units.

Relatedtopics

Sonarroomrequirements,page66

Requirementsforwatertightintegrity

Thesize,locationanddesignofthesonarroommustfullalltherequirementstothe vessel’swatertightintegrity.

Intheeventofamajorleak,itmustbepossibletocloseallwatertighthatchesand/or doorstotheroomtomaintainvesselstabilityandsafety.

Thephysicalsizeofthesonarroommustbelimited,sothatintheeventofamajorleak, theoodingoftheroomwillnotinduceinstability,orcausethevesseltocapsizeorsink.

Inspectallwatertightdecksandbulkheadsperiodically.Makesurethatthereareno unprotectedopeningsorimproperpenetrationsthatmayallowprogressiveoodingfrom thecompartment.Makesurethatthewatertightdoorsandhatchesareinplaceand ingoodworkingorder.

Installandactivatebilgehighlevelsensorstoprovideanearlywarningofabnormal accumulationofwater.Positionthesensorsaslowaspossiblealongthecentreareaof thecompartment,and/orinotherlocationswherethewaterwillgravitatetorst.Inspect thebilgesensorsperiodically.

Allcablesleadinginandoutofthesonarroommustberuninsteelconduits.Thesesteel conduitsmustreachupandabovethefreeboarddeck.

Ifrequired,alldesigndocumentsrelatedtothesonarroomandthewatertightintegrity mustbeapprovedbythevessel’snationalregistryandcorrespondingmaritimeauthority and/orclassicationsociety.Suchapprovalmustbeobtainedbeforetheinstallationcan begin.Theshipownerandshipyarddoingtheinstallationareresponsibleforobtaining andpayingforsuchapproval.

Relatedtopics

Sonarroomrequirements,page66

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Sizeandaccessrequirements

Awelldesignedsonarroomwithawellttedsizeandeasyaccessreducestheriskof corrosion,andsimpliesmaintenance.Thisincreasessystemreliability .

Note

Thephysicalsizeofthesonarroommustbelimited,sothatintheeventofamajorleak, theoodingoftheroomwillnotinduceinstability,orcausethevesseltocapsizeorsink.

Thesonarroommustbelargeenoughtohouseallthesystemunits.Theroommust provideenoughspacetoallowefcientmaintenance.Y oumustbeabletokeepallthe cabinetdoorsfullyopenwithoutunduerestrictiontoyourmovements.

1Theroommustnotbeusedforanyotherheavymachinery.

2Theroommustnotbeunnecessarilyobstructedbygirders,pipesetc,whichmay

causeinstallationproblemsorimpedemaintenance.

3Thesonarroommustbeaccessibleunderallconditionsatseaorataberth.

4Alldoorsorhatchesmustbedesignedsothatthetoolsandequipmentcanbe

removedwithoutbeingdisassembled.

5Allcablesleadinginandoutofthesonarroommustberuninsteelconduits.These

steelconduitsmustreachupandabovethefreeboarddeck.

6Intheeventofamajorleak,itmustbepossibletocloseallwatertighthatches

and/ordoorstotheroomtomaintainvesselstabilityandsafety.

Note

ThephysicaldistancebetweentheTransceiverUnitandthehullunitislimitedbythe lengthofthetransducercables.Makesurethatthetransducercableisplacedinsucha mannerthatthetransducercanbeloweredandhoistedwithoutdamagingthecable.

Relatedtopics

Sonarroomrequirements,page66

Requirementsforinsulation,heatingandventilation

Thebulkheadsinthesonarroommustbeinsulatedandprovidedwithaninteriorwall tothedeck.Theroommustbeequippedwithheater,anditmustbeconnectedtothe vessel'sventilationsystem.

Insulationrequirements

Theinsulationinthesonarroomshouldbetheminimumequivalentof50mmof rock-wool.Pipingpassingthroughthespacepronetocondensationmustbeproperly insulated.

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Preparations

Heatingrequirements

Heatingisaneffectivemethodforreducinghumidity.Theheaterinthesonarroommust dimensionedtomaintaintheequipmentwithinitsenvironmentaltolerances.Typical heatingpowerisminimum1000W .Theheatermustbeinstalledclosetothedeck.

Ventilationrequirements

Thesonarroommustbeconnectedtothevessel'sventilationsystemtoensureasupply ofcoolingair.Ifaventilationsystemisnotavailable,installtwo3”pipesfromthesonar roomtoasuitablefreshairlocationondeck.

Thefreshairshouldentertheroomasclosetotheooraspossible,andshouldbe extractedfromashighaspossible.Afunnelshapeddrip-collectormustbemounted belowtheventpipestodivertmoisturetothebilge.Onthemaindeck,thebest ventilationisprovidedwhentheoutletpipeisatleastfourmetershigherthantheinlet pipe.Tokeepoutseawater,rainandspray,theventilationpipesmustbettedwith goosenecksoranequivalentdesign.

Note

Ifthevesselislikelytooperateintropicalconditions,asuitableairconditioningsystem mustbeinstalled.Theairconditioningsystemmustbeabletoprovideanambient temperaturethatdoesnotexceedthemaximumoperatingtemperaturesoftheST90 unitsthatareinstalledintheroom.

Relatedtopics

Sonarroomrequirements,page66

Requirementsforelectricalinstallations,cablesand communication

Theelectricalinstallationsinthesonarroommustmeetminimumrequirementsto providesuitablelightsandsupplypower.

Lightrequirements

Thesonarroommustbeequippedwithsuitablelightingtosimplifytheinstallation andtoaidfuturemaintenance.

Communicationrequirements

Thesonarroommustbeequippedwithatelephone,anintercomsystem,oranyother meansoforalcommunicationbetweenthesonarroomandthebridgeand/orcontrol room(s).

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Powerrequirements

Eachunitinthesonarroomshouldbeprovidedwithaseparatecircuitbreakeronthe mainssupply.Aminimumnumberofadditionalelectricaloutletsmustbeprovidedfor otherequipment.Propervesselgroundmustbeprovided.

Cablingrequirements

ThesonarroomunitsareconnectedtootherST90unitslocatedindifferentcompartments onthevessel.Theunitsmayalsobeconnectedtoperipheraldevices.Ifthesecables passthroughhatchesorareaswheretheymaybedamaged,theymustberuninconduits. Minimum2”conduitisrecommended.

Makesurethatallsystemcablesareproperlyconnectedandsecured,andinstalled withsomeslack.Theslackisessentialtowithstandvibrations,andtofacilitatefuture maintenanceandreplacements.

Makesurethatthetransducercableisplacedinsuchamannerthatthetransducercanbe loweredandhoistedwithoutdamagingthecable.

Relatedtopics

Sonarroomrequirements,page66

Requirementsforbilgepumpanddecking

Ifthesonarroomislocatedbelowthewaterline,itmustbeconnectedtothevessel's bilgepumpsystem.

Bilgepumprequirement

Ifitisnotpossibletoconnectthesonarroomtothevessel'sbilgepumpsystem,a separatebilgepumpforthecompartmentmustbeinstalled.

Deckingrequirement

Oncetheinstallationhasbeencompleted,thesonarroommustbesuitablydecked withoutrestrictingaccesstotheequipmentandthecables.

Relatedtopics

Sonarroomrequirements,page66

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Preparations

Liftingrequirements

Anattachmentpointforsupportingaliftingdevicemustbelocatedabovethehullunit.

Theliftingdevicemustberatedtominimumtwicetheweightofthehullunit. Recommendedcapacityis2000kg.

Apermanentlyinstalledxturewillfacilitateinstallationtrunkandhullunitmounting.It canalsobeusedforfutureequipmentmaintenanceand/orreplacement.

Relatedtopics

Sonarroomrequirements,page66

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Orientationofthehullunit

Asageneralrecommendation,thehullunitshallbeorientedwiththehoist/lowermotor pointingaft hullunitmayberotatedduringitsinstallationtothemostsuitabledirection.

Thephysicaldistancebetween theTransceiverUnitandthehull unitislimitedbythelengthofthe transducercables.

Note

Irrespectiveofthephysicalhull unitorientation,thetransducer shallnot Hullunitalignmentisdoneinthe ST90softwarebyrotatingtheecho presentationinthedisplayview .

.IfthisorientationmakesitdifculttoaccesstheMotorControlUnit,the

bemechanicallyaligned.

Relatedtopics

Sonarroomrequirements,page66

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Sonarroomarrangement:Topview

ThesonarroommustprovideamplespaceforalltheitemsprovidedwiththeST90.This exampleshowsatypicalsonarroomseenfromabove.

Thesonarroommustbeeasily accessibleusingasuitable hatchoradoor.

AMechanicalsupport

brackets

BTransducercable

CTransducerconnector

DTransceiverUnit

EThelocationoffour

knee-plates(stiffeners)on theinstallationtrunkis indicated.

Thesizeofthehatchmust allowtheentirehullunitto beremovedwithoutbeing disassembled.

Relatedtopics

Sonarroomrequirements,page66

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Sonarroomarrangement:Sideview

ThesonarroommustprovideamplespaceforalltheitemsprovidedwiththeST90.This exampleshowsatypicalsonarroomandhullunitseenfromtheside.Thehullunitis mountedonthesideofthekeel.Ablisterisaddedforstreamliningandprotection.

AFixingpointforlifting

apparatus;2000kg

BAirbleedingpipe(The

minimumdiameteris1/4" (6.35mm).)

CAirventpipes(The

minimumdiameteris1/2" (12.7mm).)

DAccesshatch

ELamp

FMechanicalsupport

brackets

GTransceiverUnit

HHeater

IThreeorfourknee-plates

(stiffeners)mustbewelded totheframesordecks.

JStreamlinedblister

Thesonarroommustbeeasily accessibleusingasuitable hatchoradoor.Thesizeof thehatchmustallowtheentire hullunittoberemovedwithout beingdisassembled.

Relatedtopics

Sonarroomrequirements, page66

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Preparations

Sonarroomarrangement:Sideview

ThesonarroommustprovideamplespaceforalltheitemsprovidedwiththeST90.This exampleshowsatypicalsonarroomandhullunitseenfromtheside.Thehullunitis mountedonthecentreaxisofthevessel,ontopofthekeel.

AFixingpointforlifting

apparatus2000kg

BAirbleedingpipe(The

minimumdiameteris1/4" (6.35mm).)

CAirventpipes(The

minimumdiameteris1/2" (12.7mm).)

DAccesshatch

ELamp

FMechanicalsupport

brackets

GTransceiverUnit

HHeater

IThreeorfourknee-plates

(stiffeners)mustbewelded totheframesordecks.

Thesonarroommustbeeasily accessibleusingasuitable hatchoradoor.Thesizeof thehatchmustallowtheentire hullunittoberemovedwithout beingdisassembled.

Relatedtopics

Sonarroomrequirements, page66

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Acousticnoise

Topics

Introductiontotheacousticnoisechallenge,page76

Contributingfactors,page76

Selfnoise,page78

Ambientnoise,page80

Electricalselfnoise,page81

Reverberation,page81

Somemeanstoreduceacousticnoise,page82

Introductiontotheacousticnoisechallenge

Aswithanyotherhydroacousticsystems,thequalityoftheST90echodataand presentationsaresubjecttounwantedacousticnoise.Theechoesfromanylargeand smalltargetmustbedetectedinsidethenoise.

Itisimportantthatwekeepthenoiselevelaslowaspossible.Theisnecessarytoobtain longrangeanddependableinterpretationsoftheechoes.

EvenwiththeadvancednoiselteringofferedbytheST90,wemustaddressthe noisechallenge.ThisisimportantduringtheplanningandpreparationsfortheST90 installation.

Relatedtopics

Acousticnoise,page76

Contributingfactors

Severalfactorsarecontributingtotheperformanceofthehydroacousticequipment usedonboardavessel.

Factorscontributingtotheperformanceofthehydroacousticequipmentusedonboarda vesselare:

•Thequalityandpropertiesofthetransmittedsignal

•Thequalityofthereceivingsystem

•Theoperationalsettingsmadeduringoperation

•Thepropertiesofthetarget(s)

•Thesignal-to-noiseratio

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Themajorityofthesefactorscanneitherbecontrollednorimprovedbymeans ofinstallationmethodsortransducerlocations.Thequalityandpropertiesofthe transmittingandreceivingsystemsarekeyfactorsduringourproductdevelopment,while ourenduserdocumentationaimstohelptheusertomaketherightltersettingsduring operation.Asforthetargetproperties,thereisnothinganyofuscandowiththose.

Thesignal-to-noiseratio,however,canbeimprovedbymakingthecorrectchoices duringinstallation.

Signal-to-noiseratio(oftenabbreviatedSNRorS/N)isameasureusedin scienceandengineeringthatcomparesthelevelofadesiredsignaltothelevelof backgroundnoise.Itisdenedastheratioofsignalpowertothenoisepower,often expressedindecibels.Aratiohigherthan1:1(greaterthan0dB)indicatesmore signalthannoise.WhileSNRiscommonlyquotedforelectricalsignals,itcan beappliedtoanyformofsignal[...].

http://en.wikipedia.org/wiki/Signal_to_noise_ratio(September2013)

Thesignalistheechothatwewanttoknowsomethingabout,whilethenoiseisany unwantedsignalsordisturbances.Theechomustbedetectedinthenoiseandthereforeit isnecessarytokeepthenoiselevelisaslowaspossibleinordertoobtainlongrange anddependableinterpretation.

Thenoisethatcontributestothesignaltonoiseratiomaybedividedintothefollowing typesofnoise:

•Selfnoise

•Ambientnoise

•Electricalnoise

•Reverberation

•Fishinggearnoise

AThetransducercanpickupnoisefrom

•Biologicaldisturbances

•Interference

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•Propellernoise

•Flownoise

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•Acousticnoisefromotherhydroacousticsystems

BThetransducercableislong,andmaypickupelectricnoisefromgenerators,

pumps,coolingsystemsandotherelectricorelectromechanicaldevices.

CThepreampliersareverysensitive,andtheycaneasilypickupelectricalnoise

frominternalandexternalpowersupplies.Thepreampliersarealsovulnerablefor analoguenoisecreatedbytheirownelectroniccircuitry.Digitalnoisecreatedby theconverterandprocessingcircuitrycanalsocreateproblems.

DConverterstransformtheanalogueechoestodigitalformat.

ESignalprocessingcircuitrycancreatedigitalnoise.

Relatedtopics

Acousticnoise,page76

Selfnoise

Anyvesselequippedwithahydroacousticsystem(forexampleechosounderorsonar) willproducemoreorlessselfnoise.

Therearemanysourcesofsuchselfnoise.Wewillheregointosomedetailsinorderto analysethedifferentsourcesofselfnoiseonavesselandhowtheymayinuenceupon thenoiselevelofthehydroacousticinstruments.

Machinerynoise

Themaincontributortomachinerynoiseisusuallythemainengineonboardthevessel. Thecontributionfromauxiliarymachinerymay,however,beconsiderable,especiallyif itisinpoorshape.Themachinerynoisecanbetransmittedtothetransduceras:

•Structure-bornenoisethroughtheshipstructureandthetransducermountings

•Water-bornenoisethroughthehullintothewatertothetransducer

Electricalnoise

Modernvesselsarenormallyequippedwithalotofelectricinstrumentssuchas hydroacousticsystems,radars,navigationsystems,andcommunicationequipment. Anyelectricinstrumentsmayinsomecasescauseelectricalinterferenceandnoise. Internationalregulationsandcerticationsareusedtocontrolandreducethis,buteven thesearelimitediftheelectricalsystemsarepoorlyinstalledand/ormaintained.

Propellernoise

Propellernoiseisoftenthemainsourceofnoiseathighervesselspeeds.V ariablepitch propellersorfastmovingpropellersusuallymakemorenoisethanxedpropellersor slowmovingpropellers.

Propellernoiseisusuallywater-borne.Insomecases,however,shaftvibrationsor vibrationsinthehullnearthepropellermaybestructure-bornetothetransducer.Ifa propellerbladeisdamaged,thismayincreasethenoiseconsiderably.

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Preparations

Propellercavitationisaseveresourceofnoise."Singing"propellersmightbeasourceof noise,whichinterferesatdiscretefrequencies.Insomecasesstaticdischargefromthe rotatingpropellershaftmaybequitedisturbing.

Cavitation

Cavitationistheformationofsmallairbubbles closetothetransducerface.Thebubblesappear becausethelocalpressurebecomesnegative duringpartsoftheacousticpressurecycles. Thecavitationthresholdincreaseswiththe hydrostaticpressure.Thenoiseismadewhen thebubblesimplode.

Cavitationnoisemayappearnearextruding objectsathigherspeeds,butmoreoftenitis causedbythepropellers.Propellercavitationisaseveresourceofnoise.Thecavitation startswhenthewaterowsinthesamedirectionasthepropellerblades.Thisiswhere thepropellerbladesmovedownwards.

Insomecasesaresonantphenomenonissetupinaholenearthehull.Thissoundwill haveadiscretefrequency,whileallotherownoisewillhaveawidefrequencyspectrum.

(ImagefromU.S.Navyinthepublicdomain.)

Flownoise

Theupperwaterlayersoftheseacontainamyriadofsmallairbubblescreatedbythe breakingwaves.Whenthehullmovesthroughwateritwillcauseadisturbance,andthis willgeneratefriction.Thefrictionzoneiscalledtheowboundarylayer.Theowin thisboundarylayermaybelaminarorturbulent.

•Thelaminarowisanicelyordered,parallelmovementofthewater.

•Theturbulentowisadisorderlyowpattern,fullofeddies.

ATurbulentow

BLaminarow

CAirbubbles

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Airbubblesabsorbandreectthesoundenergy,andtheymayinworstcasesblockthe soundtransmissionaltogether.

Theboundarylayerincreasesinthicknesswhenitbecomesturbulent.Theboundary layeristhinintheforwardpartofthevesselhull,andincreasesasitmovesaft.The thicknessdependsonshipsspeedandontheroughnessofthehull.Allobjectssticking outfromthehull,ordentsinthehull,willdisturbtheowandwillincreasethethickness oftheboundarylayer.Whentheowspeedishigh,theturbulencecanbeviolentenough todestroytheintegrityofthewater.Smallvoidsorcavitiesinthewaterwilloccurand thisiscalledcavitation.

Rattlenoise

Rattlenoisemaybecausedbylooseobjectsinthevicinityofthetransducer,likexing bolts.Therattlemayalsocomefromlooseobjectsinsidethehull.

Interference

Interferencefromotherhydroacousticequipmentonboardthesamevesselmaybean annoyingsourceofdisturbance.Unlessthesamefrequencyisusedformorethanone pieceofequipmentonlythetransmittedpulsewillcontributetotheinterference.

Inphysics,interferenceisthephenomenoninwhichtwowavessuperposeeach othertoformaresultantwaveofgreaterorloweramplitude.Interferenceusually referstotheinteractionofwavesthatarecorrelatedorcoherentwitheachother, eitherbecausetheycomefromthesamesourceorbecausetheyhavethesameor nearlythesamefrequency.Interferenceeffectscanbeobservedwithalltypesof waves,forexample,light,radio,acoustic,surfacewaterwavesormatterwaves.

https://en.wikipedia.org/wiki/Interference_(wave_propagation),April2016

Relatedtopics

Acousticnoise,page76

Ambientnoise

Ambientnoiseisusuallynotalimitingfactortotheperformanceofsonarsandecho sounders.

Theambientnoisemaybesplitupasfollows:

•Seanoise:Airbubbles,seismicdisturbances,waves,boundaryturbulence,etc.

•Biologicalnoise:Fish,mammals

•Manmadenoise:Othervessels,interference

•Precipitationnoise:Heavyrainorhail

Insomeareas,wheremanyvesselsoperatetogether,theengineandpropellernoisefrom othervesselsmaybedisturbing.Interferencefromhydroacousticinstrumentslocated

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inothervesselsmayalsobealimitingfactor.Theseanoisedependsontheweather conditions.Inbadweathertheseanoisecanbequitehighduetothewaves.

Relatedtopics

Acousticnoise,page76

Electricalselfnoise

Electricalorelectronicselfnoiseispickeduporgeneratedinanyotherpartofthe equipmentthanthetransducer.

Humpickedupbythetransducercablesorpickedupfromthepowersupplyisusually themostcommonsourceofelectricalselfnoise.Athigherfrequencies–whererather widebandwidthsarenecessary–thenoisefromcomponents,transistorsorother analogueelectronicmaybealimitingfactor.

Preparations

Relatedtopics

Acousticnoise,page76

Reverberation

Whenyoutransmitanacousticpulseintothewatertosearchforatarget,echoeswill alsobereturnedfromanyotherobjectsinthebeam.Theenergyreectedfromthese "unwanted"objectsisreferredtoasreverberation.

ReverberationisgeneratedwhentheechoesfromyourST90transmissionsarereected notonlybyshandvalidtargetsinthewater,butalsofromtheseabottomandthe seasurface.Reverberationisoftenregardedasnoise.Thereareseveraltypesof reverberation.

•Volumereverberation:Thevolumereverberationiscausedbyminuteplanktonand air-bubblesinthewater.Thisreverberationhasoftendailycyclesinintensity.

•Surfacereverberation:Thesurfacereverberationdependsontheweathercondition andthewaves.

•Bottomreverberation:Thebottomreverberationdependsontheroughnessand physicalpropertiesoftheseabottom.

Reverberationisoftenalimitingfactor,especiallyifyouaresearchingforsmaller targets.Theechoesfromthebottomwillalwaysdependontheseabottomproperties. Howuneventheseabediswillaffecttheechoes.Whatkindofbottomyouhaveunder yourvesselisalsosignicant,asrock,mudorsandwillprovidedifferentreverberation. Thebottomreverberationusuallymakesitdifculttoinvestigatetargetslocatedclose totheseabed.

Yourcurrenttiltsettingwillalsohaveaneffectonthereverberation.Theechoesfrom theseasurfacewillvarywiththecurrentseastateandyourcurrenttiltsetting.

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Theillustrationdemonstrateshowtheseabottomandtheseasurfacereturnechoes backtoyourST90.

AInthissituationyouwillbeabletoidentifytheupperschoolofsh,butthelower

schoolwillbehiddenintheshadowoftheseabedrockformation.

BInthissituationyouwillseeseveralweakechoesfromthewavesandfromtherock

onthebottom,butyouwillstillbeabletoidentifytheschoolofsh.

Thereverberationiscausedbythetransmissionpulseitself.Itcanonlybereducedby shorteningthepulsedurationorusingasmallerbeamwidth.

Relatedtopics

Acousticnoise,page76

Somemeanstoreduceacousticnoise

Severalfactorsarecontributingtotheperformanceofthehydroacousticequipmentused onboardavessel.CarefulplanningoftheST90installationmayreducetheacoustic noise.

Unfortunately,itisimpossibletosimplyprovideanumberofspecicproceduresto reducethenoise.

Animportantfactoristhephysicallocationofthetransducer.Thisdependsonthe vessel'sdesignandconstruction,howthehullisshaped,andhowthewaterrunsalong thehull.Otherfactorsdealwithotherequipmentmountedonboard,andthiswillalsobe vesseldependant.Atmoderateshipspeedsthemachinerynoiseisusuallydominant.At mediumspeedstheownoiseincreasesmorerapidlyandtakesover,whileathigher speedthepropellernoisewillbethemaincontributor.

Note

Theinformationheremustbeconsideredasgeneraladvice.EachST90installation mustbehandledseparatelydependingonthehulldesignandtheotherelectricaland mechanicalsystemsinstalledonthevessel.

Reducingownoise

•Theshapeofthetransducer(ordomearoundit)mustbeasstreamlinedaspossible.

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•Thehullplatinginfrontofthetransducermustbeassmoothaspossible.

Important

Beespeciallyawareofbilgekeelsandzincalloyanodes.Thekeelmustberoundedoff withoutsharpedges.Neitherextrudingobjectsnorabrupttransitionsmustbepresent.

•Thefairingaroundtheinstallationtrunkmustbestreamlined.

•Thetransducermustbeprotrudingfarenoughdowntoreachoutoftheboundarylayer.

Reducingmachinerynoise

•Thehullunitmustbeinstalledfarawayfromtheengineroom.

•Themainengineandrelevantauxiliaryenginesandequipmentmustbexedtorigid foundationstoavoidvibrations.

•Anyhullstructurethatmayvibrateshouldbedampedorcoatedtoreducethe vibrations.

Theuseofshockabsorbersoroatingraftsmaysometimesreducethisnoise.The structure-bornenoisemaybereducedbyisolation,forexamplebyprovidingvibration clampingbetweenthetransducerandthehullstructure.

Reducingpropellernoise

•Thehullunitmustbeinstalledfarawayfromthepropellers.

•Sufcientclearancebetweenthepropellersandthehull,therudderandthekeelmust beprovided.

•Placethezincalloyanodesinplaceswherethewaterowistheleastdisturbed.

•Ensurethatthepropellersbladesarecorrectlydesignedandwithoutdamages.

•Theuseofabafebetweenthepropellersandthetransducermayreducenoise appreciably.

•Staticdischargescausedbytherotatingpropellershaftmayberemovedbyproper groundingorbymountingacoalbrushfromtheshafttovesselground.

Reducingrattlenoise

Ensurethatnopartsnearthetransducerscanrattleasaresultofwateroworvibrations.

Reducinginterference

Interferencefromthetransmissionpulsesfromotherhydroacousticinstrumentson boardthevesselisdifculttoavoid.Theproblemmaybereducedbychoosingthe workingfrequenciescarefullyandtosomeextentbyseparatingthedifferenttransducers. Onvesselswithalargenumberofseparatehydroacousticsystemsinstalledandin simultaneoususe,aseparatesynchronizingsystem(forexampletheK-Sync)should beconsidered.

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Reducingelectricalnoise

•Makesurethatallunitsareproperlygrounded,asthisisimportanttoavoidelectrical noise.

•Useshieldedcableswithcorrectgrounding.

•SeparateST90cablesfromothercableswithhighvoltages,largecurrentsortransients.

•Placeallhighvoltagepowercablesinmetalconduits.

Relatedtopics

Acousticnoise,page76

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InstallingtheoptionalgatevalveDN500

Installingtheoptionalgate

valveDN500

Topics

Gatevalveinstallationoverview,page86

Abouttheoptionalgatevalve,page88

Gatevalvesystemdescription,page89

Gatevalveinstallationprinciples,page91

Mechanicalsupportbrackets,page93

Installingthemountingange,page94

Installingthegatevalve,page102

Installingthetransducerdock,page103

Installingthehydraulicunits,page105

Verifyingthequalityofthegatevalveinstallation,page106

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Gatevalveinstallationoverview

Toprotectthetransducer,agatevalvecanbeaddedtothehullunitinstallation.By meansofamechanicalconstructionitshutsoffthebottomoftheinstallationtrunk whentheST90isnotused.

Prerequisites

Thistaskmusttakeplaceindrydock.Theshipyardmustprovideallnecessarytools andmanpower.Relevantcranesandliftingequipmentmustbeavailable.Freeaccess throughthehullorthedecksmustbeprovided.

Note

Thegatevalveisheavy.Appropriateliftingequipment(liftingtackle,portablecraneor ship’ scrane)isrequired.Alwaysuseappropriateliftingequipmenttominimizeriskof personnelinjuryorequipmentdamages.Onlycertiedequipmentmustbeused.

Context

Onlythebasicstepsofthetaskareoffered.Formoreinformation,refertotheother descriptionsandtasksinthischapter.

Note

Itisveryimportantthatthegatevalvemechanismsareinterfacedwiththehullunit controller .Whenthegatevalveisclosed,itmustnotbepossibletolowerthetransducer. Whenthetransducerislowered,itmustnotbepossibletoclosethegatevalve.

Theinstallationtrunkisnotusedwhenagatevalveismounted.Theinstallationtrunk isthenreplacedwithatransducerdock.

Procedure

1Denethephysicallocationofthemountingange.

2Cutoutaholeinthevessel’shullwithadiameterlargeenoughtoaccommodatethe

mountingange.

3Orientatethemountingangecorrectly,andwelditintoposition.

4Installthegatevalveontopofthemountingange.

5Installthetransducerdockontopofthegatevalve.

6Dependingonmechanicalsupportprovidedbytheexistingdecksand/orbulkheads,

design,manufactureaninstalladditionalmechanicalsupportforthetransducer dock.

7Ifrelevant,installthehydraulicsystem.

8Doaclosevisualinspectionofthemountingange,gatevalveandtransducerdock

toverifythequalityoftheinstallationwork.

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Relatedtopics

InstallingtheoptionalgatevalveDN500,page85 Abouttheoptionalgatevalve,page88 Gatevalvesystemdescription,page89 Gatevalveinstallationprinciples,page91 Mechanicalsupportbrackets,page93 Installingthemountingange,page94 Mountingangeandmanualgatevalveinstallation,page97 Mountingangeandhydraulicgatevalveinstallation,page99 Installationexample,page101 Installingthegatevalve,page102 Installingthetransducerdock,page103 Installingthehydraulicunits,page105 Verifyingthequalityofthegatevalveinstallation,page106 Cablelayoutandinterconnections,page159 082973MountingangeDN500,page446 083045GatevalveinstallationDN500,page449 33498GatevalvedimensionsDN500,page451 37357GatevalvedimensionsDN500,page454

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Abouttheoptionalgatevalve

ThegatevalveismanufacturedbyLK Valves.

•Gatevalve:DN500

•Manufacturer:LKV alves

•Manufacturer’swebsite:http://www.lk-

valves.com

Technicalinformationaboutthisunit isnotincludedinthisST90Installation Manual.Refertotherelevantend-user documentationprovidedbythe manufacturer.

Thegatevalveisplacedatthebottomof thetransducerdock.Itwillthenincrease thetotalheightofthehullunitinstallation.

•Thehullunitlowersthetransducer downtoaspecieddepthbelowthe ship’shull.TheST94HullUnitlowers thetransducerto2.1metresbelowthe hull.Thesedepthsaredecreasedwith thephysicalheightofthegatevalve. Thedepthsarefurtherdecreasedwith theheightofthemountingange.

•TheST90allowsyoutodeneamiddle positionforthetransducer.Whenyou denethemiddleposition,youmust takethetotalheightofthegatevalveand themountingangeintoconsideration.

Theinstallationtrunkisnotusedwhen agatevalveismounted.Theinstallation trunkisthenreplacedwithatransducerdock.

Note

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Relatedtopics

InstallingtheoptionalgatevalveDN500,page85 Gatevalveinstallationoverview,page86

Gatevalvesystemdescription

Thegatevalvecaneitherbemanuallyoperated,orcontrolledbyahydraulicsystem. Onthemanualtype,ahandoperatedwheelisusedtoopenandclosethevalve.Onthe hydraulicversion,asinglebuttondoesthesamejob.

Manuallyoperatedgatevalve

Onamanuallyoperatedgatevalve,awheelisusedtoopenandclose thevalve.Thewheelisttedongatevalve,whichmeansthatyou needtogodowntothebottomofthevesseltooperateit.

Thegatevalveisttedwithendswitches.Theseareconnectedto theMotorControlUnitontheHullUnit.Thisinterfacepreventsthe transducertobeloweredwhilethegatevalveisclosed.Itdoesnot preventthegatevalvefromclosingwhenthetransducerislowered.

Hydraulicoperatedgatevalve

Onahydraulicoperatedgatevalve,thecontrolwheelisreplacedwithahydraulicmotor.

AGatevalve

BHydraulicActuator

CHydraulicPowerPack

TheHydraulicPowerPackprovidestheoilpressureforthehydraulicmotoron thegatevalve.

DGateValveControlUnit

TheGateV alveControlUnitprovideslocalcontroloftheHydraulicPowerPack.It containscontrollerstooperatetheentiregatevalvesystem.

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ERemoteControlUnit

TheRemoteControlUnitallowsyoutooperatethegatevalvefromanotherposition onthevessel.TheRemoteControlUnitisnormallyplacedonthebridge.

FAcontrolcableconnectsthehydraulicgatevalveandtheGateValveControlUnit

totheMotorControlUnit.

Relatedtopics

InstallingtheoptionalgatevalveDN500,page85 Gatevalveinstallationoverview,page86

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Gatevalveinstallationprinciples

Thegatevalveisplacedatthebottomofthetransducerdock.Thegatevalvemustbe mountedsothatitstopmatingsurfaceisinparallelwiththeseasurfaceduringnormal operatingconditions.

AHoistingmotor

BMotorControlUnit

CGantry

DTransducerdock

ETransducer

FGatevalve

GKnee-plates(stiffeners)

HMountingange

ITransducershaftsleeve

Thegatevalveisboltedtoamounting angedesignedand/oradaptedtotthe hullplating.Thetransducerdockisbolted tothetopofthegatevalve.TwoO-ringsare usedtomaketheconstructionwater-tight.

Theinstallationshipyardmustadaptthe mountingangetottheshapeofthe hull,ordesignandmanufactureacustom mountingange.Additionalkneeplates mustbeaddedtothenalconstruction.

Note

Ifrequired,alldocumentsprovidedby theshipyardforthephysicalinstallationof theST90mustbeapprovedbythevessel’ s nationalregistryandcorresponding maritimeauthorityand/orclassication society.Suchapprovalmustbeobtained beforetheinstallationcanbegin.The shipownerandshipyarddoingthe installationareresponsibleforobtaining andpayingforsuchapproval.

ThegatevalveismanufacturedbyLK Valves.Technicalinformationaboutthis unitisnotincludedinthisST90InstallationManual.Refertotherelevantend-user documentationprovidedbythemanufacturer.

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Important

Theforcestowhichthegatevalve,transducerdockandhullunitareexposeddepends onthephysicalsizeofthecompleteinstallation,whereitislocated,andthevessel's behaviourinroughsea.Itisveryimportantthattheentireinstallationissufciently supported,astheforcesitisexposedtomayaffectboththephysicalinstallationandthe vessel'ssafety.Themechanicalsupportbracketsmustbedesignedandmanufactured bytheinstallationshipyardtotthecompleteinstallationinthesonarroom.We recommendthatsupportbracketsareplacedpointingatminimumthreedirectionswith approximately120degreesbetweenthem.Allcalculationsmadetosupportthedesign mustmeettheapplicablesafetyrequirements,andapplytothephysicalpropertiesofthe hullandtheinstallation.

Relatedtopics

InstallingtheoptionalgatevalveDN500,page85 Gatevalveinstallationoverview,page86

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Mechanicalsupportbrackets

Together,thegatevalve,transducerdockandhullunitformatallandheavyconstruction. Duetoitsheightandweight,thisconstructionmustbesecuredtothebulkheadbymeans ofmechanicalsupportbrackets.Thedimensionsandstrengthofthesupportbrackets mustbeadequatetopreventvortexinducedvibration.Thisarequirementtoensurethe safetyoftheST90andthevessel.

Theforcestowhichthegatevalve, transducerdockandhullunitareexposed dependsonthephysicalsizeofthe completeinstallation,whereitislocated, andthevessel'sbehaviourinroughsea.

Note

Itisveryimportantthattheentire installationissufcientlysupported,asthe forcesitisexposedtomayaffectboththe physicalinstallationandthevessel'ssafety.

Themechanicalsupportbracketsmust bedesignedandmanufacturedbythe installationshipyardtotthecomplete installationinthesonarroom.We recommendthatsupportbracketsareplaced pointingatminimumthreedirections withapproximately120degreesbetween them.Allcalculationsmadetosupport thedesignmustmeettheapplicablesafety requirements,andapplytothephysical propertiesofthehullandtheinstallation.

Note

Thenaldesignandtheinstallationmust beapprovedbytheclassicationsociety. Withoutapropermechanicalsupportfor thehullunitgantry,theguaranteewillbe void!

Relatedtopics

InstallingtheoptionalgatevalveDN500,page85 Gatevalveinstallationoverview,page86

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Installingthemountingange

Themountingangemustbemountedsothatitstopmatingsurfaceisinparallelwith theseasurfaceduringnormaloperatingconditions.Thetransducerdockontopofthe gatevalvemustremainverticalduringthesameconditions.

Prerequisites

Thistaskmusttakeplaceindrydock.The shipyardmustprovideallnecessarytools andmanpower.Thefollowingspecic itemsarerequiredforthistask.

•Liftingarrangement

•Weldingequipment

Note

Themountingangeisheavy.Alwaysuse appropriateliftingequipmenttominimize riskofpersonnelinjuryorequipment damages.Onlycertiedequipmentmust beused.

Context

Onlythebasicstepsofthetaskareoffered.Additionalprocedureswithmoreinformation and/ordetailsmustbeprovidedbytheinstallationshipyardtotthevesselproperties.

Thetopmatingsurfaceofthemountingangemustbeprotectedwithawoodencoverat alltimesuntilthegatevalveisinstalled.Itisveryimportantthatthissurfaceiscleanand undamaged,becauseitmustbewatertightafterthegatevalvehasbeeninstalled.

Note

Thequalityoftheweldingiscriticaltothesafetyofthevessel.Weldingmustonlybe donebyacertiedwelder.Alwayswearthepersonalprotectiveequipment.Observe andobeytherelevantsafetyinstructions.

Thenalinstallationworkmustbeapprovedbythevessel’ snationalregistry,the correspondingmaritimeauthorityand/orclassicationsociety.

Procedure

1Denethephysicallocationofthemountingange.

Thislocationmustbecarefullyselected.Thedecisionmustbebasedonthegeneral principlesoutlinedinchapterPreparationsandallrelevantknowledgeaboutthe vesselconstruction.

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Note

Allinformationrelatedtopracticalandtheoreticalnoisepatternsalongthehull mustbetakenintoconsideration.

2Adaptthemountingangetotthehull.

Alternatively,designandmanufactureacustommountingange.

Note

Keeptheheightofthemountingangeassmallaspossible,asthiswillincrease theoperationaldepthofthetransducer .

3Cutoutaholeinthevessel’shullwithadiameterlargeenoughtoaccommodatethe

mountingange.

Theexactsizeoftheholemustbedeterminedbytheinstallationshipyard.

4Orientatethemountingangecorrectly,andwelditintoposition.

Note

Themountingangemustbemountedsothatitstopmatingsurfaceisinparallel withtheseasurfaceduringnormaloperatingconditions.

5Checktheuppersurfaceofthemountingangetoensurethatitislevel,undamaged

andclean.

6Covertheuppersurfaceofthemountingangewithawoodenplatetoprotectit

7Addsupportframesandstiffenerstosecuretheconstruction.

8Dependingontheshapeofthehull,werecommendthatyoutasteelblisterfor

protection.

Theblistermustbedesignedbytheinstallationshipyard.Itmustbeweldedto theshellplating.Theblistermaybeanopentype,oritcanbelledwithoilto preventcorrosion.Thislastmethodprovidesexcellentprotection,andsimplies maintenance.

Note

Makesurethatthehullplatingsurroundingthemountingangeisevenandsmooth withoutprotrudingobjectsthatcancausenoise.Objectsprotrudingfromthehull willgenerateturbulenceandownoise.ThiswillreducetheST90performance.If necessary,grindandpolishallsurfaces.

9Assoonasallinstallation,weldingandgrindinghasbeendone,primeorpaintthe

mountingangeandthesurroundingareausingahighqualityprotectivecoating.

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10V erifythatthemountingangehasbeeninstalledcorrectly.

aInspectthemountingange.

bInspecttheinstallationofthemountingange,theblister,hullplatingandall

surfacesthoroughly.

cMakesurethatthematingsurfaceiscleanandundamaged,andwellprotected

untilthegatevalveismounted.

dCheckthattheoffsetsarewithintolerance

Topics

Mountingangeandmanualgatevalveinstallation,page97

Mountingangeandhydraulicgatevalveinstallation,page99

Installationexample,page101

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Mountingangeandmanualgatevalveinstallation

Thisillustrationdemonstratesthemountingprinciplesforamanualgatevalve.The mountingangeandthegatevalveareshown.Thedrawingsarenottoscale.

AFrames

BKnee-plates(stiffeners)

CGatevalve

AKnee-plates(stiffeners)

BShellplating

CAsshortapossible

DO-ring

EMountingbolts/Nuts/Washers

FMakesurethattheelectricalconnectionstotheendswitchesareeasilyaccessible.

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Relatedtopics

InstallingtheoptionalgatevalveDN500,page85 Gatevalveinstallationoverview,page86 082973MountingangeDN500,page446

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Simrad ST90 Installation Manual

Specifications and Main Features

Frequently Asked Questions

User Manual

Tableofcontents

Aboutthismanual

SimradST90

Important

Systemdescription

Keyfeatures

Systemdiagram

Systemunits

Displaydescription

ProcessorUnitdescription

TransceiverUnitdescription

OperatingPaneldescription

Hullunitdescription

Transducerdescription

Installationtrunkdescription

Scopeofsupply

Basicitemsprovidedwithastandarddelivery

Additionalrequireditems

Installationtrunk

Display

UninterruptiblePowerSupply(UPS)

Speedlog

Coursegyro

Additionaloptionalitems

Secondarydisplay

SecondaryOperatingPanel

Globalpositioningsystem(GPS)

MotionReferenceUnit(MRU)

Seriallinesplitter

Gatevalve

Extendedrange

Audiosystem

Generalsafetyrules

Installationrequirements

Supplypowerrequirements

UninterruptiblePowerSupply(UPS)requirements

Cablesandwiringrequirements

Compassdeviationrequirements

Noisesources

Drydockingrequirements

Networksecurity

Supportinformation

Preparations

Installationsummary

Aboutinstallationdrawings

Tools,equipmentandconsumablesrequired forST90installation

Choosingthebestlocationforthehullunit

Aboutthehullunitlocation

Importantconsiderationsrelatedtonoise

Locationofhardwareunitsonthebridge

Basicrequirementsforthelocationofbridgeunits

Maximumdistancebetweeneachbridgeunit

Choosingthebestlocationforthedisplay

ChoosingthebestlocationfortheProcessorUnit

ChoosingthebestlocationfortheOperatingPanel

Sonarroomrequirements

Aboutthesonarroom

Environmentalrequirements

Requirementsforwatertightintegrity

Sizeandaccessrequirements

Requirementsforinsulation,heatingandventilation

Requirementsforelectricalinstallations,cablesand communication

Requirementsforbilgepumpanddecking

Liftingrequirements

Orientationofthehullunit

Sonarroomarrangement:Topview

Sonarroomarrangement:Sideview

Sonarroomarrangement:Sideview

Acousticnoise

Introductiontotheacousticnoisechallenge

Contributingfactors

Selfnoise

Ambientnoise

Electricalselfnoise

Reverberation

Somemeanstoreduceacousticnoise