Simrad ES120-7CD DATASHEET

Installation manual

TECHNOLOGY FOR SUSTAINABLE FISHERIES

www.simrad.com

Simrad ES120-7CD 120 kHz split-beam deep water transducer

SimradES120-7CD

Installationmanual

Thisdocumentprovidesageneraldescriptionofhowto installtheSimradES120-7CDSplit-beamtransducer.The informationmustberegardedasgeneralguidelinesand recommendationsonly.Theinstallationshipyardmust designandmanufactureinstallationhardwaretotthe ES120-7CDtransduceroneachindividualtowedbody.

2October2009

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Documenthistory

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Simraddocumentnumber:339149/ISBN:978-82-8066-110-4/Currentrevision:A

Rev.A02.10.2009

Firstversion.

©2009KongsbergMaritimeAS TheinformationcontainedinthisdocumentremainsthesolepropertyofKongsbergMaritimeAS.Nopart ofthisdocumentmaybecopiedorreproducedinanyformorbyanymeans,andtheinformationcontained withinitisnottobecommunicatedtoathirdparty ,withoutthepriorwrittenconsentofKongsberg MaritimeAS.Thedocument,oranypartofit,maynotbetranslatedtoanyotherlanguagewithoutthe writtenapprovalfromKongsbergMaritimeAS.

Disclaimer

KongsbergMaritimeASendeavourstoensurethatallinformationinthisdocumentiscorrectandfairly stated,butdoesnotacceptliabilityforanyerrorsoromissions.

Warning

Theequipmenttowhichthismanualappliesmustonlybeusedforthepurposeforwhichitwas designed.Improperuseormaintenancemaycausedamagetotheequipmentand/orinjuryto personnel.Theusermustbefamiliarwiththecontentsoftheappropriatemanualsbeforeattempting toinstall,operateorworkontheequipment. KongsbergMaritimeASdisclaimsanyresponsibilityfordamageorinjurycausedbyimproper installation,useormaintenanceoftheequipment.

Support

Ifyourequiremaintenanceorrepair,contactyourlocaldealer.Y oucanalsocontactususingthefollowing address:-.Ifyouneedinformationaboutourotherproducts,visitourwebsite.Onthewebsiteyou willalsondalistofourdealersanddistributors.

Installationmanual

Tableofcontents

ABOUTTHISMANUAL.......................................................5

SIMRADES120-7CD..........................................................6

TOWEDBODYDESIGN......................................................7

HOWTOINSTALLTHETRANSDUCER................................9

Examples..................................................................................................................9

Example1:Smalltransducer.......................................................................10

Example2:Mediumandlargetransducers...................................................11

Example3:Dualtransducerarrangement.....................................................12

TRANSDUCERHANDLINGANDMAINTENANCE................13

Rulesfortransducerhandling.................................................................................13

Approvedanti-foulingpaints..................................................................................14

Usingself-lockingtaps...........................................................................................14

IntroductiontoEmugeself-lockingthreads...................................................15

Drawingstandard........................................................................................16

Tapsandgauges..........................................................................................16

Self-locktapsprovidedbySimrad...............................................................17

Supplierandmanufacturer...........................................................................17

DRAWINGFILE...............................................................18

Echosounderconnections......................................................................................18

Splicingthetransducercable.......................................................................18

GeneralPurposeTransceiver(GPT)wiring...................................................19

GeneralPurposeTransceiver(GPT)transducerplugassembly.......................20

Outlinedimensionsandinstallationdrawings........................................................21

Outlinedimensions[324407].......................................................................22

Mountingring[204675]..............................................................................23

Clampingring[204677]..............................................................................25

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ABOUTTHISMANUAL

Aboutthismanual

Purpose

Thepurposeofthisinstallationmanualistoprovidegeneric descriptionsandillustrationsallowingthereadertounderstand thebasicprinciplesforechosoundertransducerinstallation.

Abouttheinformationprovidedinthisdocument

Theinformationinthisdocumentmustberegardedasgeneral guidelinesandrecommendationsonly.Theinstallationshipyard mustdesignandmanufactureinstallationhardwaretoteach individualtransducerandvessel.

Approvalbymaritimeauthorities

Wheneverrequired,theinstallationshipyardmustalsohavethe installationapprovedbytheapplicablemaritimeauthorities.

Additionalinformation

Foradditionaldetailedinformationaboutthetransducerto beinstalled,refertothedocumentationprovidedwiththe transducer.Drawingsanddescriptionscanalsobeobtainedfrom

t t p : / / w w w . s i m r a d . c o m .

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SimradES120-7CD

SIMRADES120-7CD

Thepurposeofthismanualistheprovidethebasicinformation requiredtoinstalltheSimradES120-7CDSplit-beamtransducer.

Transduceranddocuments

•SimradES120–7CD:324410

•Productspecication:339095

•Drawings:

–Outlinedimensions:324407

–Mountingring:871–204675

–Clampingring:871–204677

Note

Althoughdrawingsareprovidedtoexplaintheinstallation principles,theinstallationshipyardmustprovidethenal drawingsrequiredtotthetransducertoeachindividual vessel.Also,whenapplicable,theinstallationshipyard musthavethedrawingsandinstallationapprovedbythe propermaritimeauthorities.Thedrawingsspecicforthe ES120-7CDtransducerarelocatedintheDrawingleon page18.

Technicalspecications

RefertotheES120-7CDproductspecication.

Additionalpartsprovidedforinstallation

ThefollowingitemscanbesuppliedbySimradtofacilitate installation:

•Mountingring:ES1–204719

•Clampingring:ES1–203672

•Transducercable(forextension):642–078215

Note

ThiscableisNOTsuitableasatowcable!

•Thefollowingpartsmust(ifrequired)beprovidedbythe installationshipyard:

–Malebulkheadconnector:8–pinBurton5500Series

w w . b u r t o n e e . c o m )

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TOWEDBODYDESIGN

(CD017201C)

Towedbodydesign

Figure1Example,towedbody

Atowedbodyusedtoholdthetransducerisn

o t providedby Simrad.Thedesignandmanufacturingofsuchabodymustbe madebyyourownorganisation,orbyathirdpartyyouwish toengagetodothis.Duringthedesignphase,thefollowing considerationsmustbemade.

ATransducermountedthroughthebodyplatingbymeansof

amountingring

BWatertightcompartmentwithtransceiverelectronics

CTailn

DTowlinewithbuilt-incablesforpowersupply,controland

datatransfer(ethernet)

EFairings

Locationoftransceiverelectronics

Ifyourtowedbodydesigncomprisesawatertightcompartment, youmaychoosetoinstallthetransceivercircuitryinsidethe towedbody.Inordertodoso,youmustinstallwatertightsockets onthebulkheadinordertoconnectthetransducercable(s), controlanddatatransfer(Ethernet)andoperatingpower.By usingathisarrangement,youavoidthesignallossyoumay experienceusingalongtransducercable.

Depth

Theupperwaterlayersoftheseacontainamyriadofsmall airbubblescreatedbythebreakingwaves.Inheavyseasthe uppermost5to10metresmaybeair-lled,withthehighest concentrationsnearthesurface.Airbubblesabsorbandreect

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thesoundenergy,andmayinworstcasesblockthesound transmissiontotally.Therefore,designthetowedbodysothatit canoperateindeepwater.

Caution

Observethemaximumoperationaldepthofthe transducer.Donotexceedthislimitation.

Donotallowthetowedbodytohittheseabed.This mayinictpermanentdamagetothetransducer(s).

Noisefromprotrudingobjectsonthebody

Objectsprotrudingfromthetowedbody,suchaszincanodes, sonartransducersorevenarudderorakeel,maygenerate turbulenceandownoise.Holesandpipeoutletsarealso possiblenoisesources,asthesemayactasresonantcavities amplifyingtheownoiseatcertainfrequencies.Donotplace anechosoundertransducerinthevicinityofsuchobjects,and especiallynotclosebehindthem.Forthesamereason,itis veryimportantthatthebodyareaadjacenttothetransducer faceisassmoothandlevelaspossible.Eventracesofsealing compound,sharpedges,protrudingboltsorboltholeswithout llingcompoundwillcreatenoise.

Inclinationofthetransducerface

Ideally,thetransducerfaceshouldbemountedinparallelwith theseasurfacewhenthetowedbodyisinnormaltrim,asthis willprovidethemostaccurateechoinformation.However,itis alsoveryimportantthatthew

a t e r  o w overthetransducerface islaminar.Inordertoensurelaminarow,thetransducerface maybetiltedslightlyupwardsinrelationtothewaterow.This allowstheowingwatertomeetthefacedirectly,andassures laminarow .Theinclinationanglemusthoweverbedetermined carefully.Theanglemustbesmallontransducerswithnarrow beamangles.Asaruleofthumb,mounttransducerswithbeam anglessmallerthansevendegreeswithminimuminclination angle.Thesmallerbeamangleyourtransducerhas,thesmaller theinclinationanglecanbe.Makesurethatyoudonotmount thetransducerwithanegativeinclinationangle.Thismaycause turbulenceunderthetransducerface,andreducedechosounder performance.

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