Raymarine p70Rs - Seatalkng System Loading; Power Distribution - Seatalkng

Note:
Thesuitablefuseratingforthethermalbreak
erisdependenton:1)Howmanydevicesyouhave
connectedtoyourSea Talkng®network;and2)Howmanydevicesaresharingthesamethermal
breakerthatyourSeaTalkng®networkisconnectedto.
Sea
Talkng®systemloading
Themaximumloading/LENforaSea Talkng®systemdependsonthelengthofthebackbone.
Unbalancedsystemloading:
•BackboneL ength:0m(0ft)to20m(66ft)—MaximumLEN:40
•BackboneLength:>20m(66ft)to40m(131ft)—MaximumLEN:20
•BackboneLength:>40m(131ft)to60m(197ft)—MaximumLEN:14
Balancedsystemloading:
•BackboneL ength:0m(0ft)to60m(197ft)—MaximumLEN:100
•BackboneLength:>60m(197ft)to80m(262ft)—MaximumLEN:84
•BackboneLength:>80m(262ft)to100m(328ft)—MaximumLEN:60
•BackboneLength:>100m(328ft)to120m(394ft)—MaximumLEN:50
•BackboneLength:>120m(394ft)to160m(525ft)—MaximumLEN:40
•BackboneLength:>160m(525ft)to200m(656ft)—MaximumLEN:32
Powerdistribution—SeaTalkng®
Recommendationsandbestpractice.
•OnlyuseapprovedSea Talkng®powercables.DoNOTuseapowercabledesignedfor,or
suppliedwith,adifferentproduct.
•Seebelowformoreinformationonimplementationforsomecommonpowerdistributionscenarios.
Important:
•Whenplanningandwiring,tak eintoconsiderationotherproductsinyoursystem,someofwhich
(e.g.sonarmodules)mayplacelargepowerdemandpeaksonthevessel’selectricalsystem,
whichmayimpactthevoltageavailabletootherproductsduringthepeaks.
•Theinformationprovidedbelowisforguidanceonly,tohelpprotectyourproduct.Itcovers
commonvesselpowerarrangements,butdoesNOTcovereveryscenario.Ifyouareunsure
howtoprovidethecorrectlevelofprotection,pleaseconsultanauthorizedRaymarinedealeror
asuitablyqualifiedprofessionalmarineelectrician.
Sea Talkng®powercable(A06049)
WhenpoweringtheSeaTalkng®bus(backboneor5–wayconnector)fromabatteryordistribution
panel,theA06049powercablemustbeused.
All3coresofthecablemustbeconnectedcorrectly:
1.Sea Talkng®spurconnector—connectstospurconnectionontheSea Talkng®network.
2.+Red(positive)wire—connectstobatteryordistributionpanelpositiveterminal.
3.–Black(negative)wire—connectstobatteryordistributionpanelnegativeterminal.
4.GroundwireconnectstoRFgroundpoint,ifnogroundpointisavailableconnecttothebattery
negative(-)terminal.
Connections29