Kongsberg Simrad ST90 - Verifying the Communication with the Course Gyro

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Verifyingthecommunicationwiththecoursegyro
Inordertooperatecorrectly,theST90systemrequiresinputfromacoursegyro.Thecurrent
headingisshownonthetopbarifyouhaveenabledthisintheDisplayOptionsdialogbox.
Thecommunicationwiththesensoristested.
Prerequisites
TheST90systemhasbeensetupwithitshardwareunitsconnectedasspeciedinthe
InstallationManual.
•ApersonalcomputerwithasensorsimulatorprogramisconnectedtotheST90system.
Thesimulatorisactive.
•Theinterfaceportissetupwiththecorrectcommunicationparameters.
•YouarefamiliarwithNMEAandotherrelevantdatagramformats.
•Youknowhowtosetuptheparametersforserialandlocalareanetwork(LAN)
communication.
•TheST90systemisturnedonandoperatesnormally.
Youneedthefollowingtestequipment:
•Personalcomputer
•NMEASimulatorsoftware
Forconnectionsandcommunicationparameters,seetherelevantend-userdocumentation
fromthesensormanufacturer.
Context
Note
Theinputfromacoursegyroisessentialforoperation.Withouttheinputfromacourse
gyro,theST90systemwillnotbeabletopresentcorrectnavigationalinformation.Thislack
ofcompensationwillpreventthesystemfromprovidingcorrectechoinformation.
Inmostcasesasuitablecoursegyroisalreadyinstalledonthevessel.Aglobalpositioning
system(GPS)withacompatibleoutputformatcanalsobeused.
ThepropertiesofeachoftheavailablecommunicationportsaredenedontheI/OSetup
page.TheSensorInstallationpageallowsyourST90systemtocommunicatewithexternal
sensorsandsystems.Tomakesurethattheinformationfromthe"mostreliable"sensorsare
usedbytheST90system,usetheSensorCongurationpagetodeneadatagrampriorities.
ThecommunicationparametersdenedforNMEA0183are:
•Baudrate:4800bit/s
•Databits:8
SimradST90FactoryAcceptanceTest