Raymarine SmartPilot SPX-10 - SeaTalk autopilot system

2.4SeaTalkautopilotsystem
Theautopilotmaybeconnectedaspartofawidernetworkof
marineelectronicsusingSeaTalk.
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SMARTPILOT
D10 43 4-2
SeaTalk SeaTalk
SeaTalk
4
1.MultifunctiondisplaywithGPS.(GPSmaybeinternalor
external.)
2.Windanddepthinstruments
3.Autopilotcontroller
4.Autopilotcoursecomputeranddriveunit.Thismayalsosupply
powertoSeaT alkinstrumentsandtheautopilotcontroller.
Note:Themultifunctiondisplaywillrequireitsownpower
connection.ItcannottakeitspowerfromSeaT alk.
SeaTalk
SeaTalkisaprotocolwhichenablescompatibleinstrumentsto
connecttoeachotherandsharedata.
TheSeaT alkcablesystemisusedtoconnectcompatible
instrumentsandequipment.Thecablecarriespoweranddataand
enablesconnectionwithouttheneedforacentralprocessor.
AdditionalinstrumentsandfunctionscanbeaddedtoaSeaT alk
system,simplybypluggingthemintothenetwork.SeaT alk
equipmentcanalsocommunicatewithothernon-SeaTalkequipment
viatheNMEA0183standard,providedasuitableinterfaceisused.
NMEA0183
TheNMEA0183DataInterfaceStandardwasdevelopedby
theNationalMarineElectronicsAssociationofAmerica.Itisan
internationalstandardtoenableequipmentfrommanydifferent
manufacturerstobeconnectedtogetherandshareinformation.
TheNMEA0183standardcarriessimilarinformationtoSeaT alk.
Howeverithastheimportantdifferencethatonecablewillonly
carryinformationinonedirection.ForthisreasonNMEA0183is
generallyusedtoconnectadatareceiverandatransmittertogether,
e.g.acompasssensortransmittingheadingtoaradardisplay.This
informationispassedin‘sentences’,eachofwhichhasathree
lettersentenceidentier.Itisthereforeimportantwhenchecking
compatibilitybetweenitemsthatthesamesentenceidentiersare
usedsomeexamplesofwhichare:
16SPXSmartPilotinstallationinstructions