SimradSU90
Connectinganexternalmotionreference
unit(MRU)
Bydefault,theSU90usesabuilt-inmotionreferencedetectormountedonthehullunit.
Forimprovedaccuracy,andexternalmotionreferenceunit(MRU)maybeused.
ThemotionreferenceinterfacefunctionalityontheSU90hasbeendesignedtomatch
theMRUsmanufacturedbyKongsbergSeatex.Descriptionsofallavailabletypesare
providedonhttp://www.km.kongsberg.com/seatex
.TheMRUinterfaceintheSU90
willhoweverallowyouuseanytypeofsensorprovidedthatitoutputstheEM3000
datagramformat.
ThissectiondescribeshowtoconnecttheMRUtotheSU90system.
Topics
•Physicalinstallationofthemotionreferenceunitonpage144
•Installationofthemotionreferenceunitcableonpage144
•OpeningtheInstallationmenuonpage145
•Conguringandtestingtheinterfacetothemotionreferenceunitonpage145
•EnteringthestabilisationoffsetangleintotheSU90onpage146
Physicalinstallationofthemotionreferenceunit
Observetheinstallationinstructionsintherelevantmanual.
Installationofthemotionreferenceunitcable
Purpose
Thisprocedureexplainshowtoinstallthecablesbetweenthemotionreferenceunitand
theSU90ProcessorUnit.
Relatedtopics
•GenericRS-232Serialline(Threewires)onpage289
Procedure
1Connectthepowercabletothemotionreferenceunitasdescribedintherelevant
manualprovidedbythemanufacturer.
2Connectaseriallinecablebetweenthemotionreferenceunitandavacantserial
lineconnectorontherearsideoftheSU90ProcessorUnit.
•Theconnectiontothemotionreferenceunitmustbemadeaccordingtothe
cablinginformationinthemanufacturer’smanual.
•TheconnectiontotherearsideoftheSU90ProcessorUnitismadeaccording
todrawingGenericRS-232Serialline(Threewires)onpage289orGeneric
RS-422Serialline(Fivewires)onpage291.
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