Raymarine RSW-Wired - 9.1 SeaTalkng power supply

9.1SeaTalkng®powersupply
Y ourproductissuppliedpowerviatheSeaTalkng®backbone.
ASeaTalkng®backbonerequiresasingle12Vdcpowersupply.Powercan
besuppliedtotheSea Talkng®backbonebyoneofthefollowingmethods:
•
(1)
directconnectiontoa12Vdcbatteryusinganinline5ampfuse,
•connectiontoa12Vdcdistributionpanelusinga5ampthermalbreaker,
•
(2)
connectiontotheSeaTalkng®connectorofanAutopilotControlUnit
(ACU)(notACU-100or150),oranSPXcoursecomputer(notSPX-5).
•for24Vvessels,connectionmustbeviaa5amp,regulated,continuous
24Vdcto12Vdcconverter
Note:
•
(1)
Thebatteryusedforstartingthevessel’sengine(s)shouldNOTbeused
topowertheSeaTalkng®backbone,asthiscancausesuddenvoltage
dropswhentheenginesarestarted.
•
(2)
TheACU-100,ACU-150orSPX-5productscannotbeusedtopower
theSea Talkng®backbone.TheACU’s/SPX’sSea Talkng®connector
hasapowerswitchthatmustbeintheonpositiontoprovidepowerto
thebackbone.
Inlinefuseandthermalbreakerratings
TheSeaTalkng®network’spowersupplyrequiresaninlinefuseorthermal
breakertobefitted.
InlinefuseratingThermalbreakerrating
5A
3A(refertonotebelow)
Note:
Thesuitablefuseratingforthethermalbreakerisdependenton:
1.HowmanydevicesyouhaveconnectedtoyourSeaTalkng®network,
and;
2.Howmanydevicesaresharingthesamethermalbreakerthatyour
SeaTalkng®networkisconnectedto.
9.2SeaTalkng®powercables
ThefollowingSeaTalkng®powercablescanbeusedtoconnectthe
backbonetoyourchosenpowersupply:
Directconnectioncables
1.Powercable(straight)2m(6.6ft)(partnumber:A06049).
2.Elbow(rightangled)powercable2m(6.6ft)(partnumber:A06070).
AutopilotControlUnitconnectioncable
1.ACU/SPXautopilottoSea Talkngspurcable0.3m(1.0ft)(partnumber
R12112).ConnectsthecoursecomputertotheSeaTalkngbackbone.
Thisconnectioncanalsobeusedtoprovide12Vdcpowertothe
SeaTalkngbackbone.
9.3SeaTalkng®productloading
ThenumberofproductsthatcanbeconnectedtoaSeaTalkng®backbone
dependsonthecurrentdrawofeachproductandthephysicallengthof
thebackbonecabling.
NMEA2000LoadEquivalencyNumbers(LEN)areusedtoexpressthe
amountofcurrentthatisdrawnfromSeaTalkng®products(1LEN=50
mA)TheLENforeachproductcanbefoundintheproduct’sTechnical
Specification.
Powerconnection31