Simrad SU90 - Setting up the Input from a Motion Reference Unit (MRU)

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4SelectthesensoryouwishtocongureintheSensorlist.
5Ifyouwishtousethebuilt-indatagrampriority,selectAuto.
•WithAutoenabled,theprioritylistisused.Informationisimportedfromthe
sensoratthetopofthelist.Ifthesensorfailstoprovideinformationformore
than20seconds,datafromthenextsensorisused.
•WithAutodisabled,theprioritylistisnotused.Informationisimportedfromthe
sensoratthetopofthelist.Allothersensorsareignored.
6Ifyouwishtocontrolthedatagramprioritymanually,donotselectAuto.
Tochangethepriorityforagivendatagram,selectit,andchangeitslocationon
thelistusingthearrowbuttons.
7Ifrelevant,addamanualvalueforthesensorinput.
8Atthebottomofthedialogbox,selectApplytosaveyoursettings.
9Repeatforeachsensorinterfacethatyouneedtosetup.
10ContinueyourworkintheInstallationdialogbox,orselectOKtocloseit.
Relatedtopics
Settinguptheinterfacestoperipheraldevices,page119
Settinguptheinputfromamotionreferenceunit(MRU)
Theinformationfromamotionreferenceunit(MRU)(normallyheave,rollandpitch
information)isimportedintotheSU90toincreasetheaccuracyoftheechodata.The
SU90isprovidedwithabuilt-inmotionsensor.ItisplacedinsidetheMotorControl
Unit.Forimprovedoperationalaccuracy,anexternalmotionreferenceunit(MRU)
maybeused.Thistaskisonlyapplicableisyouareusinganexternalmotionreference
unitonyourSU90.
Prerequisites
Thisprocedureassumesthat:
•YouhaveavacantinterfaceportonyourProcessorUnit.
•YouarefamiliarwithNMEAandotherrelevantdatagramformats.
•Youknowhowtosetuptheparametersforserialandlocalareanetwork(LAN)
communication.
•Theinterfaceportissetupwiththecorrectcommunicationparameters.
•TheSU90systemisturnedonandoperatesnormally.
•ThenewsensorisphysicallyconnectedtotheSU90usingaserialornetworkcable.
Itisswitchedonandinnormaloperation.
Neithertoolsnorinstrumentsarerequired.
SimradSU90OperatorManual