Simrad ST90 - Operating Procedures

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•YouarefamiliarwithNMEAandotherrelevantdatagramformats.
•Youknowhowtosetuptheparametersforserialandlocalareanetwork(LAN)
communication.
•Thevesselisberthedoratsea.
•Allrelevantvesseldrawings,installationreportsand/ormeasurementresultsare
available.
•TheST90systemisturnedonandoperatesnormally.
•Thevesselisberthed.
Neithertoolsnorinstrumentsarerequired.Forconnectionsandcommunication
parameters,seetherelevantend-userdocumentationfromthesensormanufacturer.
Context
Amotionreferenceunit(MRU)measuresthevessel’spitchandrollmovementsinthe
sea.TheinformationprovidedbythemotionsensorisusedbytheST90tostabilizethe
beamsandtheechopresentation.
Procedure
1OpentheSetupmenu.
2OntheSetupmenu,selectInstallation.
ObservethattheInstallationdialogboxopens.Thisdialogboxcontainsanumber
ofpagesselectedfromthemenuontheleftside.
3OntheleftsideoftheInstallationdialogbox,selectMotionReferenceUnit.
aIfyouusethemotionsensorintheMotorControlUnitonthehullunit,make
surethatLANisselected.
Thesensorusesalocalareanetwork(LAN)portonyourProcessorUnit.A
messageonthepageveriesthatitisconnectedtotheST90beamformer
application.
bIfyouuseanexternalmotionreferenceunit(MRU),makesurethataCOM
portisselected,andthatthecorrectparametersareprovided.
4OntheleftsideoftheInstallationdialogbox,selectInstallationParameterstoopen
thepage.
aOpentheMRU(MotionReferenceUnit)page.
bMakesurethattheinstallationparametersforthemotionsensor(offsetand
rotation)arecorrect.
Thephysicallocationofthesensor(X,YandZoffsets)mustbeextractedfrom
thedetailedvesseldrawings,orfromthereportsprovidedbythepersonnelthat
didtheactualinstallation.Theinformationabouttheinstallationanglesmust
Testingtheinterfaceswithperipheraldevices