Kongsberg EM 712 Multibeam echosounder Installation guide

INSTALLATION

MANUAL

EM 712

kongsberg.com/maritime

401027/C

September2022©KongsbergMaritimeAS

EM712

Multibeamechosounder

Installationmanual

KongsbergMaritimeAS

www.kongsberg.com

Documentinformation

•Product:KongsbergEM712

•Document:Installationmanual

•Documentpartnumber:401027

•Revision:C

•Dateofissue:28September2022

Copyright

TheinformationcontainedinthisdocumentremainsthesolepropertyofKongsbergMaritimeAS.No

partofthisdocumentmaybecopiedorreproducedinanyformorbyanymeans,andtheinformation

containedwithinitisnottobecommunicatedtoathirdparty,withoutthepriorwrittenconsentof

KongsbergMaritimeAS.

Warning

Theequipmenttowhichthismanualappliesmustonlybeusedforthepurposeforwhichitwas

designed.Improperuseormaintenancemaycausedamagetotheequipmentand/orinjurytopersonnel.

Youmustbefamiliarwiththecontentsoftheappropriatemanualsbeforeattemptingtooperate

orworkontheequipment.

KongsbergMaritimedisclaimsanyresponsibilityfordamageorinjurycausedbyimproperinstallation,

useormaintenanceoftheequipment.

Disclaimer

KongsbergMaritimeASendeavourstoensurethatallinformationinthisdocumentiscorrectandfairly

stated,butdoesnotacceptliabilityforanyerrorsoromissions.

Supportinformation

Ifyourequiremaintenanceorrepair,contactKongsbergMaritime’ssupportorganisation.Youcan

alsocontactususingthefollowingaddress:[email protected].Ifyouneed

informationaboutourotherproducts,visithttps://www.kongsberg.com/maritime.

KMSupportisalsoavailableintheKM-App.

TheKM-SupportAppisavailableforfreeintheAppStoreandGooglePlay.TheuseoftheKM-Support

Appisfreeofcharge.Theuser’smobilephoneprovidermaychargethecostsofthephonecall

communicationtothecaller.

401027/C3

Tableofcontents

ABOUTTHISMANUAL..............................................................7

EM712....................................................................................8

Systemdescription.............................................................................................................9

Systemdiagram-0.25°x0.5°system.............................................................................10

Systemdiagram-USVSubseaTransducer/TransceiverUnitSystem...........................12

Systemunits.....................................................................................................................13

Transducerdescription...........................................................................................13

TransmitterUnitdescription...................................................................................14

ReceiverUnitdescription.......................................................................................14

EM712USVSubseaUnit.....................................................................................15

ProcessingUnitdescription....................................................................................15

HydrographicWorkStationdescription.................................................................16

RemoteControlUnit(K-Rem)description............................................................16

PREPARATIONS.....................................................................17

Tools,equipmentandconsumablesrequiredforinstallation...........................................17

Personnelqualications...................................................................................................18

Sonarroomrequirements.................................................................................................19

Environmentalrequirements..................................................................................19

Sizeandaccessrequirements.................................................................................19

Requirementsforinsulation,heatingandventilation.............................................20

Requirementsforelectricalinstallations,cablesandcommunication...................21

Wheretoinstallthetransducer........................................................................................22

Introductiontotransducerlocation.........................................................................22

Mountthetransducerdeep.....................................................................................22

Avoidprotrudingobjectsnearthetransducer.........................................................23

Keepthetransducerfarawayfromthepropellers.................................................24

Mountthetransduceratasafedistancefrombowthruster(s)...............................24

Summaryandgeneralrecommendations...............................................................24

Acousticnoise..................................................................................................................26

Contributingfactors................................................................................................26

Selfnoise................................................................................................................27

Ambientnoise.........................................................................................................30

Electricalselfnoise................................................................................................30

Somemeanstoreduceacousticnoise....................................................................30

INSTALLINGTHETRANSDUCER.............................................33

Transducerdescription.....................................................................................................34

Transducerinstallationprinciples....................................................................................36

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Introduction............................................................................................................36

UnmannedSurfaceV ehicle....................................................................................38

Gondola..................................................................................................................39

Blister.....................................................................................................................40

Flushmounted........................................................................................................41

Externallymountedwithfairings...........................................................................41

Transducerinstallationsummary.....................................................................................43

Manufacturingandinstallingthecasings........................................................................46

Designing,manufacturingandmountingthesteelconduits............................................48

Installingthemountingframes........................................................................................51

Installingthetransducersintothemountingframes........................................................53

InstallingUSVSubseaTransducer/TransceiverUnitSystem.........................................57

Rulesfortransducerhandling..........................................................................................60

Paintingthetransducerface.............................................................................................61

Approvedanti-foulingpaints...........................................................................................63

INSTALLINGTHEEM712SYSTEMHARDWAREUNITS...........64

TransmitterUnit...............................................................................................................65

InstallingtheTransmitterUnit...............................................................................66

RIO-Pboard-dipswitchsetting............................................................................68

ReceiverUnit...................................................................................................................69

InstallingtheReceiverUnit....................................................................................70

ReceiverUnit-dipswitchsetting..........................................................................72

ProcessingUnit................................................................................................................74

CBMFboard-dipswitchsetting...........................................................................75

DRAWINGFILE......................................................................76

216148TransducerTX1dimensions...............................................................................78

221048TransducerTX2dimensions...............................................................................80

219621TransducerRX1dimensions...............................................................................82

216146TransducerRX2dimensions...............................................................................84

483772Transducermountingframe-0.25°....................................................................86

477671Transducermountingframe-0.5°......................................................................87

477188Casing-1°..........................................................................................................88

477230Casingw/mountingframe-2°............................................................................89

223273Transducermountingframe-2°.........................................................................90

375514CasingArrangement-1°....................................................................................92

331493CasingArrangement-2°....................................................................................93

483948CasingArrangement-0.25°...............................................................................94

318638CasingArrangement-0.5°.................................................................................95

481309CasingArrangementCombined-1°...................................................................96

483945Casing-0.25°.....................................................................................................97

EM712

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317812Casing-0.5°.......................................................................................................98

320320Casing-1°..........................................................................................................99

331369Casing-2°........................................................................................................100

366689Mountingframe,iceprotected-0.5°................................................................101

366678Mountingframe,iceprotected-1°...................................................................102

366903Mountingframe,iceprotected-2°...................................................................103

396402EM712TransmitterUnitdimensions...............................................................104

212984EM712OptionalMountingbracket.................................................................105

396428EM712ReceiverUnitdimensions...................................................................106

385422ProcessingUnitdimensions..............................................................................107

1x1EM712USVdimensions.......................................................................................108

370275RemoteControlUnit(K-REM)dimensions.....................................................109

373962RemoteControlUnit(K-REM)wiringdiagram...............................................111

409067Fibrecablekit...................................................................................................112

DIMENSIONALSURVEYINGANDALIGNMENT......................113

Aboutdimensionalsurveyingandalignment................................................................114

Dimensionalsurveying..................................................................................................114

Alignment......................................................................................................................115

Transducerarrayatness...............................................................................................115

Checkingthetransducerarrayatnessandcorrectingdeviations.................................116

Calibration.....................................................................................................................117

Vesselcoordinatesystem...............................................................................................118

CABLELAYOUTANDINTERCONNECTIONS...........................120

Readthisrst.................................................................................................................121

Cableplans.....................................................................................................................122

Cableplan-ProcessingUnit................................................................................123

Cableplan-TransmitterUnit...............................................................................124

Cableplan-ReceiverUnit...................................................................................129

Cableplan-TransmitterUnitrotated...................................................................132

Cableplan-ReceiverUnitrotated.......................................................................137

Cableplan-USVContainer.................................................................................140

Cableplan-HydrographicWorkStation.............................................................141

Listofcables..................................................................................................................142

Transmittransducercables.............................................................................................146

Receivetransducercables..............................................................................................151

Clocksynchronization(1PPS).......................................................................................155

Externalsynchronization...............................................................................................157

Cabledrawingsandspecications.................................................................................160

RS-232seriallineusingthreewiresandRJ45connector....................................161

RS-422seriallineusingvewiresandRJ45connector......................................162

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AdapterforD-connectortoRJ45connectorforRS-422.....................................163

Clocksynchronization(1PPS)usingacoaxcable...............................................164

Externalsynchronizationcable............................................................................165

Remotecontroloverview.....................................................................................166

Remotecontrol.....................................................................................................168

RemoteControlusingK-Rem..............................................................................169

Dummyplugfornotusingremotecontrol...........................................................170

RemotecontrolofTransmitterUnit.....................................................................171

RemotecontrolofReceiverUnit..........................................................................173

CablesforUSVcontainer.....................................................................................177

TECHNICALSPECIFICATIONS..............................................182

Performancespecications............................................................................................183

Interfacespecications...................................................................................................185

Differentdatagramformats..................................................................................185

Interfacespecications-ProcessingUnit-allformat.........................................187

Interfacespecications-ProcessingUnit-KMallformat...................................190

Externalsensorrequirements...............................................................................192

Interfacespecications-HydrographicWorkStation-allformat......................193

Interfacespecications-HydrographicWorkStation-KMallformat................193

Weightsandoutlinedimensions....................................................................................194

Powerrequirements.......................................................................................................197

Environmentalrequirements..........................................................................................199

Alignmentspecications................................................................................................201

EQUIPMENTHANDLING.......................................................203

TransportingKongsbergMaritimeequipment...............................................................204

Liftingunitsandtransportationboxes...........................................................................205

Inspectionofunitsandtransportationboxesafterarrival..............................................207

Specicationsforstoragepriortoinstallationoruse.....................................................208

Unpackinginstructions..................................................................................................210

Unpackingstandardpartsandunits......................................................................210

Unpackingmechanicalunits................................................................................211

Unpackingelectronicandelectromechanicalunits..............................................212

Unpackingtransducers.........................................................................................213

Specicationsforstorageafterunpacking.....................................................................215

EM712

401027/C7

Aboutthismanual

Thepurposeofthismanualistopresentthedescriptionsanddrawingsrequiredtoinstall

theEM712Multibeamechosounder.

Targetaudience

Themanualisintendedfortechnicalpersonnel;suchasskilledshipyardworkers,

electricians,qualiedengineersandnavalarchitects.Itisassumedthatyouunderstand

thegeneralprinciplesofmaritimeelectronicequipment.Youmustalsobefamiliarwith

computerhardware,interfacetechnologyandinstallationofelectronicandmechanical

products.

Weassumethatyouarefamiliarwiththebasicacousticprinciplesofsoundinwater.

Wealsoexpectthatyouhavesomeexperiencewithmultibeamand/orsinglebeamecho

soundersinhydrographicapplications..

Onlineinformation

ForinformationabouttheEM712andotherproductsfromKongsbergMaritime,visit

ourwebsite.

•https://www.kongsberg.com/maritime/

Registeredtrademarks

Observetheregisteredtrademarksthatapply.

Windows®isaregisteredtrademarkofMicrosoftCorporationintheUnitedStatesand

othercountries.

EM®isaregisteredtrademarkofKongsbergMaritimeASinNorwayandothercountries.

Aboutthismanual

8401027/C

EM712

StudythischaptertofamiliarizeyourselfwiththeEM712.

Topics

Systemdescription,page9

Systemdiagram-0.25°x0.5°system,page10

Systemdiagram-USVSubseaTransducer/TransceiverUnitSystem,page12

Systemunits,page13

EM712Installationmanual

401027/C9

Systemdescription

TheEM712multibeamechosounderisahightoveryhighresolutionseabedmapping

system.

TheEM712multibeamechosounderiscapableofmeetingallrelevantsurveystandards.

Thesystemcongurationcanbetailoredtotheuserrequirements,allowingforchoiceof

beamwidthsaswellastransmissionmodes.Theminimumacquisitiondepthisfromless

than3mbelowitstransducers,andthemaximumacquisitiondepthisupto3600m.

TheEM712replacestheEM710.EM712isbuiltwithnew,stateofthearttechnology.

Byincreasingthefrequencyrangefrom70-100kHzto40-100kHz,therange

performanceisgreatlyimproved.Thetransmittransducerarraysarethesame,whilethe

receivearrayshasgotabuiltinpreamplier.Thepreamplierreducestheelectronicself

noiseandthisgivesextendedrangecapabilityaslongastheexternalnoise(shipsnoise,

ownoise,sea-state)islow.TheEM712receivercanbeconguredfor0.5°,using

tworeceivermodules.ForupgradefromEM710toEM712,theTXandRXframes

plusthetransmitarray(s)canbereused.

Acrosstrackcoverage(swathwidth)isupto5.5timeswaterdepthandthemaximum

achievabledepthis3600m.Thesoundingdensityisveryhigh,allowingeventhevery

demandingLINZspecialordersurveyspecicationforobjectdetectiontobemetinfull.

•EM712-Fullperformanceversion

•EM712S(shallow)-Continuouswave(CW)pulseformsonly

•EM712RD(reduceddepth)-ShortCWpulseonly,restrictedto600mwaterdepth.

•EM712USV-FullperformanceforUnmannedSurfaceVehicles(USV)

ThereducedperformanceversionsEM712SandEM712RDcanbeupgradedtofull

performance.

Toformacompletesystemitisalsorequiredtohavesensorsprovidingvesselattitude,

velocity,position,soundspeedproleofthewatercolumnandspeedofsoundatthe

transducerdepth.

EM712

10401027/C

Systemdiagram-0.25°x0.5°system

ThesystemdiagramidentiesthemaincomponentsofabasicEM712system.Only

themainconnectionsbetweentheunitsareshown.Detailedinterfacecapabilitiesand

powercablesarenotshown.

AHydrographicWorkStation

EM712Installationmanual

401027/C11

BInterfaces:

•Soundspeedsensor

•Tide

•Centredepthoutput

CProcessingUnit

DInterfaces:

•Positioningsystems

•Attitude(roll,pitchandheave)

•Soundspeedsensor

•Velocity

•Heading

•Clock

•Triggerinput/output

•Clocksynchronization(1PPS)

ETransmitterUnit

FReceiverUnit

GTransmittransducermodule

HReceivetransducermodule

IRemoteControlUnit(K-Rem)(Thisitemisoptional.)

EM712

12401027/C

Systemdiagram-USVSubsea

Transducer/TransceiverUnitSystem

ThesystemdiagramidentiesthecomponentsofEM712systemandconnections

betweentheunits.Detailedinterfacecapabilitiesandpowercablesarenotshown.

AHydrographicWorkStation

BInterfaces:

•Soundspeedsensor

•Tide

•Centredepthoutput

CProcessingUnit

DInterfaces:

•Positioningsystems

•Attitude(roll,pitchand

heave)

•Soundspeedsensor

•Velocity

•Heading

•Clock

•Triggerinput/output

•Clocksynchronization

(1PPS)

EUSVSubsea

Transducer/TransceiverUnit

FTransmittransducermodule

GReceivetransducermodule

HTemp/Leak,Suppliedbycustomer

IPower,Suppliedbycustomer

EM712Installationmanual

401027/C13

Systemunits

Topics

Transducerdescription,page13

TransmitterUnitdescription,page14

ReceiverUnitdescription,page14

EM712USVSubseaUnit,page15

ProcessingUnitdescription,page15

HydrographicWorkStationdescription,page16

RemoteControlUnit(K-Rem)description,page16

Transducerdescription

Atransducerisadevicethatconvertsoneformofenergytoanother.Inanechosounder

systemthetransducerconvertsbetweenelectricenergyandsound.

TheEM712usesseparatetransducerarraysfor

transmittingandreceivingsoundpulses.Both

transducerarrayscanhaveoneormoremoduleswhich

areassembledinmountingframes.

TheEM712transducermodulesareavailableinan

icereinforcedversion.Formoreinformation,contact

KongsbergMaritime.

Thetwotransducerarraysarenormallymountedas“T”or“L”congurationsunderthe

vessel’shull(MillsCrossconguration).Thetransmittransducerarrayshouldbealigned

paralleltothevessel’skeel.Thereceivetransducerarrayshouldbealigned90degrees

onthekeel.Bothtransducerarraysshouldbehorizontalonaplaneonthekeel.

EM712

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TransmitterUnitdescription

TheEM712TransmitterUnithasalltransmitelectronics,likecontrolprocessors,power

ampliers,powersupply,capacitorbatteryandEthernetinterface.

TheTransmitterUnitisawall-mountedsteelcabinet

withintegratedshockandvibrationabsorbers,designed

forbulkheadmounting.One19inchsub-rackis

containedinthecabinet.Thenumberofcircuitboards

inthesub-rackwilldependonthechosentransducer

conguration.

TwistedpairEthernetisusedfordatacommunication

withtheProcessingUnit.

TheTransmitterUnitisnormallylocatedina"sonar

room"closetothetransducerarrays.

Fora0.25degreestransducerarray,twoTransmitterUnitsareused.

ReceiverUnitdescription

TheEM712ReceiverUnithasallreceiveelectronics,likecontrolprocessor,ampliers,

Analog-to-DigitalConverters,powersupplyandEthernetinterface.

TheReceiverUnitisasmallwall-mountedsteel

cabinetwithintegratedshockandvibrationabsorbers,

designedforbulkheadmounting.Thenumberofcircuit

boardsintheReceiverUnitwilldependonthechosen

transducerconguration.TwistedpairEthernetisused

fordatacommunicationwiththeProcessingUnit.

TheReceiverUnitisnormallylocatedina"sonar

room"closetothetransducerarrays.

Fora0.5°transducerarray,twoReceiverUnitsare

used.

EM712Installationmanual

401027/C15

EM712USVSubseaUnit

TheUSVSubseaTransducer/TransceiverUnitiscompactunitwithbothTXandRX

transducersandawaterprooftitaniumcontainerforthetransceivermountedona

commonplate.Thewaterprooftitaniumcontainercontainsa1.0degTXUnitand1.0

degRXUnit.The1.0degTXand1.0degRXtransducerhasspecialadaptedtransducer

cablestothetitaniumcontainer.

ATransmittrans-

ducermodule

BReceivetrans-

ducermodule

CUSVSubsea

Transceiver

Container

TheUSVSubsea

Transducer/Transceiver

Unitisdesignedfor

mountingonanUnmannedSurfaceV ehicle(USV).

TheUSVContainerhasalltransmitandreceiverelectronics,likecontrolprocessors,

Analog-to-DigitalConverters,powerampliers,powersupply,capacitorbatteryand

Ethernetinterface.

ProcessingUnitdescription

TheEM712ProcessingUnitisprovidedtoprocessthesignalstoandfromthe

TransmitterandReceiverUnits.

TheEM712ProcessingUnitisanindustrial

computerusingbothCOTS(commercialoff-the-shelf)

componentsandcustommadecomponents.Theunitis

designedandtestedforruggeduse.

TheProcessingUnitperformsthereceiverbeamforming,bottomdetection,andmotion

andsoundspeedcorrections.Itcontainsallinterfacesfortime-criticalexternalsensors

suchasvesselattitude(roll,pitch,headingandheave),vesselpositionandexternal

clock.Morethanonesensorofeachtypemaybeconnectedsimultaneously,withonein

useandallofthemlogged.

TheProcessingUnitcontrolstheTransmitterandReceiverunitsviaEthernet

communication,andisalsointerfacedtotheOperatorstationviaEthernet.

EM712

16401027/C

The48VoutputfromtheProcessingUnitcanbeusedforremoteon/offcontrolofthe

TransmitterandReceiverUnits.

TheProcessingUnitisnormallylocatedina"sonarroom"closetothetransducerarrays.

Theunitcanalsobeplacedinthe"surveyroom"oronthebridge.

HydrographicWorkStationdescription

TheHydrographicWorkStationistheoperatorstationoftheEMmultibeamsystem.

Adedicatedmaritimecomputerisprovided.Itissetupwithallnecessarysoftware.

TheHydrographicWorkStationisnormallymountedneartheoperatorworkspace.

TheHydrographicWorkStationisbasedonacommercialdesign.Duetotheconstant

developmentofnewcomputerparts,olderpartsarenolongermanufactured.Thismeans

thatthecomputertypeusedwiththeEM712systemchangesfromtimetotime.

FormoredetailedinformationaboutthedifferentmodelsofHydrographicWorkStation

seetheseparatemanual:

•495770-HydrographicWorkStationInstructionManual

RemoteControlUnit(K-Rem)description

Adedicatedjunctionboxhasbeendesignedtoprovideremoteon/offswitcheswithlight

indicationandinterfacetoaremotesynchronizingsystem.Thejunctionboxcontainsa

terminalblockandfourswitcheswithlampsmountedinthefront.

Note

TheRemoteControlUnitisnotastandardpartofthe

EM712delivery.

TheRemoteControlUnitiscalledK-Rem.Itis

preparedforremotecontrolandinterfacetoanexternalsynchronizationsystemupto

fourKongsbergechosounders.

•OneSub-bottomproler(SBP27orSBP29)

•TwoEMmultibeamechosounders

•OneEAsinglebeamechosounder

TheRemoteControlUnitisdesignedtobemountedina19inchrack,butitisalso

possibletomountitonaatsurfaceorinabulkhead.Itisalsopreparedformounting

ontelescopicrails.

EM712Installationmanual

401027/C17

Preparations

Topics

Tools,equipmentandconsumablesrequiredforinstallation,page17

Personnelqualications,page18

Sonarroomrequirements,page19

Wheretoinstallthetransducer,page22

Acousticnoise,page26

Tools,equipmentandconsumablesrequired

forinstallation

ToinstalltheEM712system,allnecessarytoolsandequipmentformechanicalwork,

cabinetinstallationandelectricalwiringmustbeavailable.

Itisnotpracticaltoprovideadetailedlistofallnecessarytoolsandequipment.Youmust

beequippedwithastandardsetoftools.Thistoolsetmustcomprisethenormaltoolsfor

electronicandelectromechanicaltasks.Thisincludesdifferentscrewdrivertypes,pliers,

spanners,acablestripper,asolderingiron,etc.Eachtoolmustbeprovidedinvarious

sizes.Werecommendthatalltoolsaredemagnetizedtoprotectyourequipment.

However,youmustmakesurethatthefollowingspecializedtoolsareavailable.

•Allnecessarytoolsandconsumablesrequiredforwelding

•Allnecessarytoolsandconsumablesrequiredforphysicalinstallationoftransducer

framesandtransducermodules

•Allnecessarytoolsandconsumablesrequiredforelectricalinstallations

•AnarticulatedjackorsimilararrangementcapableofliftingtheindividualEM712

units

•Torquewrench

Preparations

18401027/C

Note

Ifyouneedspecicconsumables,orifspecialtoolsand/ortestinstrumentsarerequired,

theseareidentiedintherelevantprocedure(s).

Relatedtopics

Weightsandoutlinedimensions,page194

Personnelqualications

TheinstallationoftheEM712systemisademandingtask.Installationtasksmust

onlybedonebyfullytrainedpersonnel.

Asaminimum,thefollowingcertiedpersonnelmustbeavailable:

•ServiceengineerfromKongsbergMaritime

•Welders

•Electricians

Note

Thequalityoftheweldingiscriticaltothesafetyofthevessel.Weldingmustonlybe

donebyacertiedwelder .

Ifapplicable,thenalinstallationweldsmustbeapprovedbythevessel’ snational

registry,thecorrespondingmaritimeauthorityand/orclassicationsociety.Observethe

relevantrulesandregulationsrelatedtowelding.

EM712Installationmanual

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