4.2Connectionsoverview
Usethefollowinginformationtohelpyouidentifytheconnectionsonyourproduct.
ConnectorQtyConnectsto:Suitablecables
21.SeaTalkng®backbone
2.NMEA2000backbone
3.SeaTalkbackbone
4.SeaTalkng®device
1.SeaTalkng®spurcables
2.SeaTalkng®toDeviceNet
adaptorcable(A06045)
3.SeaTalktoSeaTalkng®
adaptorcable(A06073)
ConnectingSea Talkng®cables
1.R otateyourproduct’sSeaTalkng®connectorlockingcollarcounterclockwise,sothatthe
connectorisintheunlockedposition.
2.Ensurethecable’sconnectoriscorrectlyoriented(groovepointingup).
3.Fullyinsertthecableconnector..
4.Rotatethelockingcollarclockwise(2clicks)untilitisinthelockedposition.
SeaTalkng®productloading
ThenumberofproductsthatcanbeconnectedtoaSeaTalkng®backbonedependsonthecurrent
drawofeachproductandthephysicallengthofthebackbonecabling.
NMEA2000LoadEquivalencyNumbers(LEN)areusedtoexpresstheamountofcurrentthatis
drawnfromSeaTalkng®products(1LEN=50mA)TheLENforeachproductcanbefoundinthe
product’sT echnicalSpecification.
LENsareusedtodeterminethepowerconnectionpointfortheSeaTalkng®backbone.
4.3SeaTalkng®powersupply
Y ourproductissuppliedpowerviatheSeaTalkng®backbone.
ASea Talkng®backbonerequiresasingle12Vdcpowersupply.Powercanbesuppliedtothe
SeaTalkng®backbonebyoneofthefollowingmethods:
•
(1)
directconnectiontoa12Vdcbattery
•connectionviaa12Vdcdistributionpanel
•
(2)
viaanAutopilotControlUnit(ACU)(notACU-100or150),oranSPXcoursecomputer(notSPX-5)
thatisconnectedtotheSea Talkng®backbone.
•for24Vvessels,viaa5amp,regulated,continuous24Vdcto12Vdcconverter
Connections33