Specifications

SimradSX90
Sonarroomunits
TransceiverUnit
TheSX90TransceiverUnitislocatedinthesonarroom,closeto
theHullUnit.
Thetransceiverperformsthetransmissionandreceptioncontrol
ofthe256transmittersand256receiverchannels.Eightidentical
transceiverboardsareused.TheTransceiverUnitalsoholds
twopowersupplies,anEthernetswitch,andalargecapacitor
bank.OneEthernetcableisusedforcommunicationwiththe
wheelhouse,andasecondEthernetcableisusedtocontrolthe
hullunit.
Thetransducercablesfromthehullunitarepluggedintotheside
walloftheTransceiverUnitcabinetusingaspecialplug.
TheTransceiverUnitismountedonthebulkheadusingpowerful
shockabsorbers.Theconnectorsforpowerandinterfaceare
locatedatthebottomofthecabinet.
HullUnit
ThestandardSX92HullUnitisdesignedtolowerthetransducer
1.2metersbelowtheship’shull,whileanoptionalhullunitwill
lowerthetransducerto1,6metersbelowthehull.
Thetransducercanalsobeloweredtoanyselectedmiddle
position.Incaseofvoltagefailure,thetransducercanberaised
orloweredmanuallybymeansofahandcrank.
Thesensorfortheelectronicstabilisationofthesonarbeams
ishousedintheMotorControlUnit,whichismountedonthe
HullUnit.
Transducer
ThecylindricalTransducerallowsthesonarbeamtogivefull360
degreescoverageofthewatervolumedownto-60degrees.
8
337432/A