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442729/A

•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

Simrad ST90 Harbour Acceptance Test

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