663605
27
Zoom out
Zoom in
Previous page
1/112
Next page
awholenetworkofmarineelectronicsfromany
manufacturertocommunicateonacommonbusvia
standardizedmessagetypesandformats.
SeaTalk
SeaTalkisaprotocolwhichenablescompatible
instrumentstoconnecttoeachotherandsharedata.
TheSeaT alkcablesystemisusedtoconnect
compatibleinstrumentsandequipment.Thecable
carriespoweranddataandenablesconnection
withouttheneedforacentralprocessor.
Additionalinstrumentsandfunctionscanbeaddedto
aSeaTalksystem,simplybypluggingthemintothe
network.SeaT alkequipmentcanalsocommunicate
withothernon-SeaT alkequipmentviatheNMEA
0183standard,providedasuitableinterfaceisused.
NMEA0183
TheNMEA0183DataInterfaceStandardwas
developedbytheNationalMarineElectronics
AssociationofAmerica.Itisaninternational
standardtoenableequipmentfrommanydifferent
manufacturerstobeconnectedtogetherandshare
information.
TheNMEA0183standardcarriessimilarinformation
toSeaTalk.Howeverithastheimportantdifference
thatonecablewillonlycarryinformationinone
direction.ForthisreasonNMEA0183isgenerally
usedtoconnectadatareceiverandatransmitter
together,e.g.acompasssensortransmitting
headingtoaradardisplay.Thisinformationis
passedin‘sentences’,eachofwhichhasathree
lettersentenceidentier.Itisthereforeimportant
whencheckingcompatibilitybetweenitemsthatthe
samesentenceidentiersareusedsomeexamples
ofwhichare:
VTG-carriesCourseandSpeedOverGround
data.
GLL-carrieslatitudeandlongitude.
DBT-carrieswaterdepth.
MWV-carriesrelativewindangleandwindspeed
data.
NMEABaudrates
TheNMEA0183standardoperatesatanumber
ofdifferentspeeds,dependingupontheparticular
requirementorequipmentcapabilities.Typical
examplesare:
4800baudrate.Usedforgeneralpurpose
communications,includingFastHeadingdata.
38400baudrate.UsedforAISandotherhigh
speedapplications.
3.7Datamaster
Anysystemcontainingmorethanonenetworked
multifunctiondisplaymusthaveadesignateddata
master.
Thedatamasteristhedisplaywhichservesasa
primarysourceofdataforalldisplays,italsohandles
allexternalsourcesofinformation.Forexample
thedisplaysmayrequireheadinginformationfrom
theautopilotandGPSsystems,usuallyreceived
throughaSeaTalk
ng
orNMEAconnection.Thedata
masteristhedisplaytowhichtheSeaT alk,NMEA
andanyotherdataconnectionsaremade,itthen
bridgesthedatatotheSeaTalk
hs
networkandany
compatiblerepeatdisplays.Informationsharedby
thedatamasterincludes:
Cartography
Routesandwaypoints
Radar
Sonar
Datareceivedfromtheautopilot,instruments,the
engineandotherexternalsources.
Yoursystemmaybewiredforredundancywithdata
connectionsmadetorepeatdisplays.Howeverthese
connectionswillonlybecomeactiveintheeventofa
faultand/orreassignmentofthedatamaster.
Inanautopilotsystemwhichdoesnotcontaina
dedicatedpilotcontrolheadtheDatamasteralso
actsasthecontrolfortheautopilot.
Planningtheinstallation
27
27


Need help? Post your question in this forum.

Forumrules


Report abuse

Libble takes abuse of its services very seriously. We're committed to dealing with such abuse according to the laws in your country of residence. When you submit a report, we'll investigate it and take the appropriate action. We'll get back to you only if we require additional details or have more information to share.

Product:

For example, Anti-Semitic content, racist content, or material that could result in a violent physical act.

For example, a credit card number, a personal identification number, or an unlisted home address. Note that email addresses and full names are not considered private information.

Forumrules

To achieve meaningful questions, we apply the following rules:

Register

Register getting emails for Raymarine A68 at:


You will receive an email to register for one or both of the options.


Get your user manual by e-mail

Enter your email address to receive the manual of Raymarine A68 in the language / languages: English as an attachment in your email.

The manual is 18,66 mb in size.

 

You will receive the manual in your email within minutes. If you have not received an email, then probably have entered the wrong email address or your mailbox is too full. In addition, it may be that your ISP may have a maximum size for emails to receive.

Others manual(s) of Raymarine A68

Raymarine A68 Installation Guide - German - 168 pages

Raymarine A68 Installation Guide - Dutch - 150 pages


The manual is sent by email. Check your email

If you have not received an email with the manual within fifteen minutes, it may be that you have a entered a wrong email address or that your ISP has set a maximum size to receive email that is smaller than the size of the manual.

The email address you have provided is not correct.

Please check the email address and correct it.

Your question is posted on this page

Would you like to receive an email when new answers and questions are posted? Please enter your email address.



Info