Kongsberg EM 712 User manual

451106/B
November2019©KongsbergMaritimeAS
KongsbergEM712
Multibeamechosounder
MaintenanceManual

KongsbergMaritimeAS
www.kongsberg.com
Documentinformation
•Product:KongsbergEM712
•Document:MaintenanceManual
•Documentpartnumber:451106
•Revision:B
•Dateofissue:1November2019
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.

451106/B3
Tableofcontents
ABOUTTHISMANUAL..............................................................9
KONGSBERGEM712..............................................................10
Systemdescription...........................................................................................................11
EM712B,upgradefromEM710....................................................................................11
Systemdiagram-0.25°x0.5°system.............................................................................12
Systemunits.....................................................................................................................14
Transducerdescription...........................................................................................14
ProcessingUnitdescription....................................................................................14
TransmitterUnitdescription...................................................................................15
ReceiverUnitdescription.......................................................................................16
HydrographicWorkStationdescription.................................................................16
TROUBLESHOOTING..............................................................17
Toolsfortroubleshooting.................................................................................................18
BIST(Built-InSelfTest)dialogbox...............................................................................19
BIST(Built-InSelfTest)theory......................................................................................22
BISTIntroduction...................................................................................................23
CPUTest.................................................................................................................24
CBMFtest..............................................................................................................25
RXunittest.............................................................................................................26
TXunittest.............................................................................................................27
CBMF-CPUlink.....................................................................................................28
RX-CBMFlink.......................................................................................................29
RXchannels...........................................................................................................30
TXchannels............................................................................................................31
RXnoiselevel........................................................................................................32
RXnoisespectrum.................................................................................................33
Softwaredateandversions.....................................................................................34
Systeminformation................................................................................................34
PREVENTIVEMAINTENANCE..................................................35
Inspectingandcleaningthetransducerface....................................................................36
Paintingthetransducerface.............................................................................................38
Inspectingandreplacingsacricialanodes......................................................................40
Approvedanti-foulingpaints...........................................................................................41
PARTSREPLACEMENT............................................................43
Toolsandequipmentrequiredforpartsreplacement.......................................................44
ProcessingUnitreplacement............................................................................................46
RemovingtheProcessingUnit...............................................................................47
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InstallingtheProcessingUnit.................................................................................48
CPUboardreplacement...................................................................................................49
RemovingtheCPUboard.......................................................................................50
InstallingtheCPUboard........................................................................................51
VadaTechCP219Ethernetswitchreplacement...............................................................52
RemovingtheVadaTechCP219Ethernetswitch..................................................53
InstallingtheVadaTechCP219Ethernetswitch....................................................54
CBMFboardreplacement................................................................................................55
RemovingtheCBMFboard...................................................................................56
InstallingtheCBMFboard.....................................................................................57
Fanunitreplacement........................................................................................................58
Removingthefanunit............................................................................................59
Installingthefanunit..............................................................................................60
ProcessingUnitfusereplacement....................................................................................61
RemovingthefuseintheProcessingUnit.............................................................62
InstallingthefuseintheProcessingUnit...............................................................63
SPAREPARTSANDCONSUMABLES........................................64
Orderingspareparts.........................................................................................................65
Listofspareparts-ProcessingUnit................................................................................66
ProcessingUnitsparepart401290.........................................................................66
CBMFboardsparepart404291.............................................................................66
CPUboardsparepart456983................................................................................67
Powersupplysparepart373897............................................................................67
Fanunitsparepart385387.....................................................................................68
Listofspareparts-TransmitterUnit...............................................................................69
LPTX36Transmitterboardsparepart390018.......................................................69
TXRIOboardsparepart399431...........................................................................69
RIO-Pboardsparepart322623..............................................................................70
Ethernetswitchsparepart338124.........................................................................70
TXUFanunitsparepart397740............................................................................70
TXUPowersupplysparepart422238...................................................................70
Listofspareparts-ReceiverUnit...................................................................................71
ReceiverUnit1°-sparepart403302.....................................................................71
ReceiverUnit2°-sparepart-403303..................................................................72
ReceiverUnit1°-sparepart-EM712B447972..................................................73
EM712BReceiverUnit2°-sparepart448220....................................................73
RXUPowersupplysparepart399824...................................................................74
PROCESSINGUNIT................................................................75
ProcessingUnitdescription.............................................................................................76
ProcessingUnitfamiliarization........................................................................................76
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ProcessingUnitfrontpaneldescription...........................................................................77
ProcessingUnitrearpaneldescription............................................................................78
ProcessingUnitcircuitboardsandmodules....................................................................79
CPUboard........................................................................................................................80
ConcurrentPPB12CPUboardoverview..............................................................80
ConcurrentPPB12CPUboardconnectors............................................................81
ConcurrentPP833CPUboardoverview................................................................81
ConcurrentPP833CPUboardconnectors.............................................................82
CP219Ethernetswitch.....................................................................................................83
Ethernetswitchoverview.......................................................................................83
Ethernetswitchconnectors.....................................................................................84
CBMFboard....................................................................................................................85
CBMFboardoverview...........................................................................................85
CBMFboardconguration....................................................................................86
CBMFboardconnectors........................................................................................87
TRANSMITTERUNIT..............................................................88
TransmitterUnitdescription............................................................................................89
TransmitterUnitbottompaneldescription......................................................................89
TransmitterUnittoppaneldescription............................................................................91
RIO-Pboard-dipswitchsetting.....................................................................................92
RECEIVERUNIT.....................................................................93
ReceiverUnitdescription................................................................................................94
ReceiverUnitfrontpaneldescription..............................................................................95
ReceiverUnit-dipswitchsetting....................................................................................96
HYDROGRAPHICWORKSTATION..........................................98
HydrographicWorkStationdescription..........................................................................99
HydrographicWorkStationfrontpaneldescription........................................................99
HydrographicWorkStationrearpaneldescription.......................................................100
DRAWINGFILE....................................................................101
216148TransducerTX1dimensions.............................................................................102
221048TransducerTX2dimensions.............................................................................104
219621TransducerRX1dimensions.............................................................................106
216146TransducerRX2dimensions.............................................................................108
223137Transducermountingframe-0.5°....................................................................110
223139Transducermountingframe-1°.......................................................................112
223273Transducermountingframe-2°.......................................................................114
317812Casingw/mountingframe-0.5°.......................................................................116
320320Casingw/mountingframe-1°..........................................................................117
375817Combinedcasingw/mountingframe-1°.........................................................118
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331369Casingw/mountingframe-2°..........................................................................119
396402EM712TransmitterUnitdimensions...............................................................120
212984EM712TransmitterUnitmountingbracket.....................................................121
396428EM712ReceiverUnitdimensions...................................................................122
385422ProcessingUnitdimensions..............................................................................123
378828HydrographicWorkStationdimensions...........................................................124
371591Rackinstallationkitdimenisons.......................................................................126
370275RemoteControlUnit(K-REM)dimensions.....................................................127
373962RemoteControlUnit(K-REM)wiringdiagram...............................................129
409067Fibrecablekit...................................................................................................130
TECHNICALSPECIFICATIONS..............................................131
Performancespecications............................................................................................132
Interfacespecications...................................................................................................134
Differentdatagramformats..................................................................................134
Interfacespecications-ProcessingUnit-allformat.........................................135
Interfacespecications-ProcessingUnit-KMallformat...................................138
Externalsensorrequirements...............................................................................140
Interfacespecications-HydrographicWorkStation-allformat......................141
Interfacespecications-HydrographicWorkStation-KMallformat................141
Weightandoutlinedimensions......................................................................................142
Powerrequirements.......................................................................................................145
Environmentalrequirements..........................................................................................146
Alignmentspecications................................................................................................149
CABLELAYOUTANDINTERCONNECTIONS...........................151
Readthisrst.................................................................................................................152
Cableplans.....................................................................................................................153
Cableplan-ProcessingUnit................................................................................154
Cableplan-TransmitterUnit...............................................................................155
Cableplan-ReceiverUnit...................................................................................160
Cableplan,HydrographicWorkStation..............................................................163
ListofEM712cables....................................................................................................164
Transmittransducercables.............................................................................................168
Receivetransducercables..............................................................................................173
Clocksynchronization(1PPS).......................................................................................177
Externalsynchronization...............................................................................................179
HydrographicWorkStationrearconnectors..................................................................182
Cabledrawingsandspecications.................................................................................184
RS-232seriallineusingthreewiresandRJ45connector....................................185
RS-422seriallineusingvewiresandRJ45connector......................................186
AdapterforD-connectortoRJ45connectorforRS-422.....................................187
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Clocksynchronisation(1PPS)usingacoaxcable...............................................188
Externalsynchronisation......................................................................................189
Remotecontroloverview.....................................................................................190
Remotecontrol.....................................................................................................192
RemoteControlusingK-Rem..............................................................................193
Dummyplugfornotusingremotecontrol...........................................................194
RemotecontrolofTransmitterUnit.....................................................................195
RemotecontrolofReceiverUnit..........................................................................197
DIMENSIONALSURVEYINGANDALIGNMENT......................201
Aboutdimensionalsurveyingandalignment................................................................202
Dimensionalsurveying..................................................................................................202
Alignment......................................................................................................................203
Transducerarrayatness...............................................................................................203
Checkingthetransducerarrayatnessandcorrectingdeviations.................................204
Calibration.....................................................................................................................205
Vesselcoordinatesystem...............................................................................................206
EQUIPMENTHANDLING.......................................................208
TransportingKongsbergMaritimeequipment...............................................................209
Liftingunitsandtransportationboxes...........................................................................210
Inspectionofunitsandtransportationboxesafterarrival..............................................212
Specicationsforstoragepriortoinstallationoruse.....................................................213
Unpackinginstructions..................................................................................................215
Unpackingstandardpartsandunits......................................................................215
Unpackingmechanicalunits................................................................................216
Unpackingelectronicandelectromechanicalunits..............................................217
Unpackingtransducers.........................................................................................218
Specicationsforstorageafterunpacking.....................................................................220
MaintenanceManual

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KongsbergEM712

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Aboutthismanual
Thepurposeofthismanualistopresentthedescriptionsanddrawingsrequiredtodo
basicmaintenancetasksontheEM712Multibeamechosounder.Theequipment
describedinthismanualincludesthecompletesystemwithassociatedcabinets,butnot
thosesystemunitsprovidedlocallybythecustomer,installationshipyardorlocaldealer.
Targetaudience
Themanualisintendedfortechnicalpersonnel;qualiedmaintenanceengineers
andtechnicians.Youmustunderstandthegeneralprinciplesofmaritimeelectronic
equipment.Youmustalsobefamiliarwithcomputerhardware,signalprocessing,
interfacetechnologyandtraditionaltroubleshootingonelectronicandmechanical
products.
Weassumethatyouarefamiliarwiththebasicacousticprinciplesofsoundinwater.
Wealsoexpectthatyouhavesomeexperiencewithmultibeam,split-beamand/or
single-beamechosoundersinscienticapplications.
Onlineinformation
Allrelevantend-userdocumentationprovidedforyourEM712canbedownloaded
fromourwebsite.
•https://www.kongsberg.com/maritime/
OurwebsitealsoprovidesinformationaboutotherKongsbergproducts.
Technicalinformationisavailableforregisteredusersinourpasswordprotected
database.
Registeredtrademarks
Observetheregisteredtrademarksthatapply.
EM®isaregisteredtrademarkofKongsbergMaritimeASinNorwayandothercountries.
Windows®isaregisteredtrademarkofMicrosoftCorporationintheUnitedStatesand
othercountries.
Aboutthismanual

10451106/B
KongsbergEM712
Topics
Systemdescription,page11
EM712B,upgradefromEM710,page11
Systemdiagram-0.25°x0.5°system,page12
Systemunits,page14
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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.
TherearethreebasicversionsoftheEM712:
•EM712-Fullperformanceversion
•EM712S(shallow)-Continuouswave(CW)pulseformsonly
•EM712RD(reduceddepth)-ShortCWpulseonly,restrictedto600mwaterdepth.
ThereducedperformanceversionsEM712SandEM712RDcanbeupgradedtofull
performance.
EM712B,upgradefromEM710
WithEM712BitispossibletoupgradeEM710toEM712withoutreplacingthe
transducermodules.
ToachievethiswehavemadeaseparateReceiverUnitscienticallytailoredfor
usewiththeEM710receivetransducers.TheEM712BReceiverUnithasthesame
measurementsandweightastheregularReceiverUnit,butperformsthepreamplication
intheReceiverUnitinsteadofinthereceivetransducer.
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Systemdiagram-0.25°x0.5°system
ThesystemdiagramidentiesthemaincomponentsofabasicEM712system.Only
themainconnectionsbetweentheunitsareshown.Detailedinterfacecapabilitiesand
powercablesarenotshown.
AHydrographicWorkStation
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BInterfaces:
•Soundspeedsensor
•Tide
•Centredepthoutput
CProcessingUnit
DInterfaces:
•Positioningsystems
•Attitude(roll,pitchandheave)
•Soundspeedsensor
–WithK-Controllerupgrade
•Velocity
•Heading
•Clock
•Triggerinput/output
•Clocksynchronisation(1PPS)
ETransmitterUnit
FReceiverUnit
GTransmittransducermodule
HReceivetransducermodule
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Systemunits
Topics
Transducerdescription,page14
ProcessingUnitdescription,page14
TransmitterUnitdescription,page15
ReceiverUnitdescription,page16
HydrographicWorkStationdescription,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.Thereceivertransducerarrayshouldbealigned90°onthe
keel.Bothtransducerarraysshouldbehorizontalonaplaneonthekeel.
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.
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TheProcessingUnitcontrolstheTransmitterandReceiverunitsviaEthernet
communication,andisalsointerfacedtotheOperatorstationviaEthernet.
The48VoutputfromtheProcessingUnitcanbeusedforremoteon/offcontrolofthe
TransmitterandReceiverUnits.
TheProcessingUnitisnormallylocatedina"sonarroom"closetothetransducerarrays.
Theunitcanalsobeplacedinthe"surveyroom"oronthebridge.
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.
Fora0.25°transducerarray,twoTransmitterUnitsareused.
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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.
WithEM712BitispossibletoupgradeEM710to
EM712withoutreplacingthetransducermodules.To
achievethiswehavemadeaseparateReceiverUnit
scienticallytailoredforusewiththeEM710receive
transducers.TheEM712BReceiverUnithasthesame
measurementsandweightastheregularReceiverUnit.
HydrographicWorkStationdescription
TheHydrographicWorkStationistheoperatorstationfortheEM712.
Adedicatedmaritimecomputerisprovidedwiththe
EM712Multibeamechosounder.Itissetupwith
allnecessarysoftware.
TheHydrographicWorkStationisbasedonthe
Microsoft®OperatingSystemoperatingsystem.
TheHydrographicWorkStationisnormallymounted
neartheoperatorworkspace.
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Troubleshooting
Topics
Toolsfortroubleshooting,page18
BIST(Built-InSelfTest)dialogbox,page19
BIST(Built-InSelfT est)theory,page22
Troubleshooting

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Toolsfortroubleshooting
EfcientEM712troubleshootingrequiresagoodknowledgeofitsfunctionalityand
design.Specictoolsmayalsoberequiredforcertaintasks.
ThefollowingtoolsarerelevantfortroubleshootingtheKongsbergEM712Multibeam
echosounder.
•Built-InSelfTest(BIST)
•AnalysisofthedatapresentationsmadebytheEM712
•Messages
•Visualchecks
•Relevantmeasurementswithapplicabletestinstruments
•Testandvericationprocedures
•Yourownknowledgeofhowthesystemworks
Weassumethatyouareequippedwithastandardsetoftools.Thistoolsetmust
comprisethenormaltoolsforelectronicandelectromechanicaltasks.Thisincludes
differentscrewdrivertypes,pliers,spanners,acablestripper,asolderingiron,etc.Each
toolmustbeprovidedinvarioussizes.Werecommendthatalltoolsaredemagnetizedto
protectyourequipment.
Note
Ifoneormorespecialtoolsarerequiredforatask,thesearespeciedintherelevant
procedure.
Itisimpossibletocreateadetailedlistofallpossibleerrorsanderrorsymptomsinthe
EM712.
However,keycomponentsthatfailwillinmostcasesbedetectedbythetoolsyouhave
available.
ThemostimportanttoolisyourownknowledgeabouttheEM712.Basedonalistofthe
maincomponentsinthesystem,briefdescriptionsofwhattheydoandhowtheywork,
includingsuggestedcertainsymptoms,youmayworkoutthepossiblesolutions.
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BIST(Built-InSelfTest)dialogbox
TheBISTdialogboxprovidesseveralautomaticteststochecktheoperationofthe
echosoundersystem.
Howtoopen
•SIS:SelectInstallationParametersontheViewmenu.SelecttheInstallation
ParametersiconandselectBIST.
•K-Controller:SelecttheInstallationParametersiconandselectBIST.
Description
TheBIST(Built-InSelfTest)optionsprovideanumberofautomaticteststhatmaybe
startedtochecktheoperationoftheechosoundersystem.
Varioustestareavailable,dependingonwhatsystemyouhave.
Troubleshooting

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Details
CPUTest
ThistestpresentstheCPUtype,theCPUclockfrequency,thecurrentand
maximumtemperaturesfortheCPUdieandfortheCPUboard.Inaddition
somekeyvoltagesarereported,andnallythenetworkaddressesfortheboard’s
interfaces.
CBMFtest
ThistestpresentstheCBMFboardtemperature,theinternalpowersupplyvoltages.
Inadditionsoftwareandrmwareversionsaredisplayed.
RXunittest
Thistestpresentstheinternaltemperaturesandvoltagesinthereceiverelectronics.
Inadditionsoftwareandrmwareversionsaredisplayed.
TXunittest
Thistestpresentstheinternaltemperaturesandvoltagesinthetransmitter
electronics.Inadditionsoftwareandrmwareversionsaredisplayed.
CBMF-CPUlink
ThistestchecksCBMFboard(s),Ethernetconnectionandtheparallelbusinterface
betweentheCBMFboard(s)andtheCPUcircuitboard.Alargesetofknowndata
istransferredfromtheCPUunitonEthernetviaCBMFbacktotheCPUboard.
ThedatareceivedischeckedbytheCPUboard.
RX-CBMFlink
ThistestcheckstheGBitinterfacebetweentheRXunitandtheCBMFboards.A
largesetofknowndataistransferredfromRXunitviaCBMFtotheCPUboard
onparallelbus.ThedatareceivedischeckedbytheCPUboard.
RX-CPUlink
Thistestisnotimplementedyet.
RXchannels
TheReceiverUnithasaprogrammablesignalgeneratorboardthatisusedtoinject
atestsignalatthepreamplierinputsintheRXarrays.TheBISTreportdisplays
themeasuredRXtransducerimpedanceforallRXchannels.Thistestmayfailat
veryhighnoiselevels.
TXchannels
ThistestcheckstheimpedanceofallTXelements.Thisisdonebymeasuring
thevoltageandcurrentusedbyallindividualtransmitters.Thistestmayfailat
veryhighnoiselevels.
KongsbergEM712MaintenanceManual