Raymarine Ray260 - System Protocols and Supplied Parts

3.5Systemprotocols
Yourproductcansendandreceivepositioninformation,e.g.
latitudeandlongitudeusinganyofthefollowingprotocols:
•SeaT alk
ng
•NMEA2000
•NMEA0183
Usingtheseprotocolsenablesyourradiotosendposition
informationtootherdevicesinyoursystemwheneveritreceives:
•aresponsetoaDSCpositionrequest.
•aDSCdistresscall
Note:Youmayndthatyourproductorsystemdoesnotuse
alloftheprotocolsdescribedinthissection.
Seatalk
ng
SeaTalk
ng
(NextGeneration)isanenhancedprotocolfor
connectionofcompatiblemarineinstrumentsandequipment.It
replacestheolderSeaT alkandSeaT alk
2
protocols.
SeaTalk
ng
utilizesasinglebackbonetowhichcompatible
instrumentsconnectusingaspur.Dataandpowerarecarried
withinthebackbone.Devicesthathavealowdrawcanbe
poweredfromthenetwork,althoughhighcurrentequipmentwill
needtohaveaseparatepowerconnection.
SeaTalk
ng
isaproprietaryextensiontoNMEA2000andthe
provenCANbustechnology.CompatibleNMEA2000and
SeaTalk/SeaTalk
2
devicescanalsobeconnectedusingthe
appropriateinterfacesoradaptorcablesasrequired.
NMEA2000
NMEA2000offerssignicantimprovementsoverNMEA0183,
mostnotablyinspeedandconnectivity.Upto50unitscan
simultaneouslytransmitandreceiveonasinglephysicalbusat
anyonetime,witheachnodebeingphysicallyaddressable.The
standardwasspecicallyintendedtoallowforawholenetwork
ofmarineelectronicsfromanymanufacturertocommunicateon
acommonbusviastandardizedmessagetypesandformats.
NMEA0183
TheNMEA0183DataInterfaceStandardwasdevelopedby
theNationalMarineElectronicsAssociationofAmerica.Itisan
internationalstandardtoenableequipmentfrommanydifferent
manufacturerstobeconnectedtogetherandshareinformation.
TheNMEA0183standardcarriessimilarinformationtoSeaT alk.
Howeverithastheimportantdifferencethatonecablewillonly
carryinformationinonedirection.ForthisreasonNMEA0183
isgenerallyusedtoconnectadatareceiverandatransmitter
together,e.g.acompasssensortransmittingheadingtoaradar
display.Thisinformationispassedin‘sentences’,eachofwhich
hasathreelettersentenceidentier.Itisthereforeimportant
whencheckingcompatibilitybetweenitemsthatthesame
sentenceidentiersareusedsomeexamplesofwhichare:
•VTG-carriesCourseandSpeedOverGrounddata.
•GLL-carrieslatitudeandlongitude.
•DBT-carrieswaterdepth.
•MWV-carriesrelativewindangleandwindspeeddata.
NMEABaudrates
TheNMEA0183standardoperatesatanumberofdifferent
speeds,dependingupontheparticularrequirementorequipment
capabilities.Typicalexamplesare:
•4800baudrate.Usedforgeneralpurposecommunications,
includingFastHeadingdata.
•38400baudrate.UsedforAISandotherhighspeed
applications.
3.6Partssupplied
ThepartssuppliedwithyourRay260areshownbelow.
00
1
5
9
13
6 7 8
2
11
3
4
10
12
D12624-2
1Ray260Basestation
2Ray260Handset
3
Ray260speakerincludingcable(dependingonvariantthe
speakermaybepassiveoractive.)
4
Speakergasket
5
4xscrewsforbasestationmounting
6
2xScrewsforhandsetmounting
7
SeaTalk
ng
blankingplug
82xhandsetstationblankingplugs
9Handsetextensionkit
10
4xThumbnutandstudsforspeakermounting
11Handsetmountingclip
12Documentationpack
13
Power/Datacable1m(3.3ft.)
Handsetextensionkitcontents
Thehandsetextensionkitincludesthepartsshownbelow.
1
4 5
6 7
3
2
D12 64 9-1
1
Splash-proofcap
2Nut
3
Handsetadaptorcable10m(32.8ft.)
4Washer
5
3xMountingscrews
6
Gasket
7
Mountingplate
Planningtheinstallation
17