Simrad ES120-7CD - INSTALLATION REV A Installation Manual

Installation manual

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

TECHNOLOGY FOR SUSTAINABLE FISHERIES

www.simrad.com

SimradES120-7CD

Installationmanual

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

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Documenthistory

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

Rev.A02.10.2009

Firstversion.

Copyright

©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.

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Tele fa x:+ 473 30 42 98 7

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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

h

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

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Towedbodydesign

TOWEDBODYDESIGN

Atowedbodyusedtoholdthetransducerisn

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

Figure1Example,towedbody

A

B

C

D

E

(CD017201C)

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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SimradES120-7CD

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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