Simrad ST90 - Testing the Interfaces with Peripheral Devices; Verifying the Communication with a Navigation System (GPS)

442703/B
365
Testingtheinterfaceswithperipheraldevices
Topics
Verifyingthecommunicationwithanavigationsystem(GPS),page365
Verifyingthecommunicationwithspeedlog,page367
Verifyingthecommunicationwiththecoursegyro,page369
Verifyingthecommunicationwiththemotionreferenceunit(MRU),page371
Verifyingthecommunicationwithanavigationsystem(GPS)
FortheST90touseandoffercorrectnavigationalinformation,oneormoreexternal
sensorsmustbeconnected.Thecommunicationwiththesensoristested.
Prerequisites
Thisprocedureassumesthat:
•ThesensorisconnectedtotheST90.Itisswitchedonandinnormaloperation.
•Theinterfaceportissetupwiththecorrectcommunicationparameters.
•YouarefamiliarwithNMEAandotherrelevantdatagramformats.
•Youknowhowtosetuptheparametersforserialandlocalareanetwork(LAN)
communication.
•Thevesselisberthedoratsea.
•Allrelevantvesseldrawings,installationreportsand/ormeasurementresultsare
available.
•TheST90isturnedon,anditisworkingnormally.
Neithertoolsnorinstrumentsarerequired.
Context
ThepropertiesofeachoftheavailablecommunicationportsaredenedontheI/OSetup
page.TheSensorInstallationpageallowsyourST90tocommunicatewithexternal
sensorsandsystems.Tomakesurethattheinformationfromthe"mostreliable"sensors
areusedbytheST90,usetheSensorCongurationpagetodeneadatagrampriorities.
ThecommunicationparametersdenedforNMEA0183are:
•BaudRate:4800b/s
•DataBits:8
•Parity:None
•StopBits:1
Settingtowork