3.4Systemprotocols
Yourproductcanbeconnectedtovariousproducts
andsystemstoshareinformationandsoimprove
thefunctionalityoftheoverallsystem.These
connectionsmaybemadeusinganumberof
differentprotocols.Fastandaccuratedatacollection
andtransferisachievedbyusingacombinationof
thefollowingdataprotocols:
•SeaTalk
ng
•NMEA2000
•SeaTalk
Note:Youmayndthatyoursystemdoesnot
usealloftheconnectiontypesorinstrumentation
describedinthissection.
Seatalk
ng
SeaTalk
ng
(NextGeneration)isanenhancedprotocol
forconnectionofcompatiblemarineinstruments
andequipment.ItreplacestheolderSeaTalkand
SeaTalk
2
protocols.
SeaTalk
ng
utilizesasinglebackbonetowhich
compatibleinstrumentsconnectusingaspur.Data
andpowerarecarriedwithinthebackbone.Devices
thathavealowdrawcanbepoweredfromthe
network,althoughhighcurrentequipmentwillneed
tohaveaseparatepowerconnection.
SeaTalk
ng
isaproprietaryextensiontoNMEA2000
andtheprovenCANbustechnology.Compatible
NMEA2000andSeaT alk/SeaT alk
2
devicescan
alsobeconnectedusingtheappropriateinterfaces
oradaptorcablesasrequired.
NMEA2000
NMEA2000offerssignicantimprovementsover
NMEA0183,mostnotablyinspeedandconnectivity.
Upto50unitscansimultaneouslytransmitand
receiveonasinglephysicalbusatanyonetime,
witheachnodebeingphysicallyaddressable.The
standardwasspecicallyintendedtoallowfor
awholenetworkofmarineelectronicsfromany
manufacturertocommunicateonacommonbusvia
standardizedmessagetypesandformats.
SeaTalk
SeaTalkisaprotocolwhichenablescompatible
instrumentstoconnecttoeachotherandsharedata.
TheSeaTalkcablesystemisusedtoconnect
compatibleinstrumentsandequipment.Thecable
carriespoweranddataandenablesconnection
withouttheneedforacentralprocessor.
Additionalinstrumentsandfunctionscanbeaddedto
aSeaTalksystem,simplybypluggingthemintothe
network.SeaT alkequipmentcanalsocommunicate
withothernon-SeaT alkequipmentviatheNMEA
0183standard,providedasuitableinterfaceisused.
3.5Toolsrequired
Toolsrequiredforinstallation
1Pozi-drivescrewdriver
2File
3
92mm(3.62in)holecutter
4Adhesivetape
5
Powerdrill
20i50
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