Raymarine eci-100 - ECI-100 Power Connections and Grounding; Power Connection Requirements; Grounding and Positive Ground Systems

4.3Powerconnection
Bothconnectionsneedpowertobesuppliedfromeachnetwork
i.e.TheSeaT alk
ng
connectionispoweredbytheSeaT alk
ng
backboneorSeatalk
ng
deviceandtheengine(DeviceNet)
connectionispoweredfromtheengine’sCANbusnetwork.
TheinformationinthissectionrelatestopoweringtheSeaT alk
ng
network.PowerwillalreadybeavailableonyourenginesCAN
bustopowertheDeviceNetconnection.
PleaserefertotheRaymarineSeaTalk
ng
Referencemanual
(81300)forfurtherinformationonSeaTalk
ng
networks.
Powercableextension
Theproductissuppliedwithapowercable,whichcanbe
extendedifrequired.
•Thepowercableforeachunitinyoursystemshouldberunas
aseparate,singlelengthof2-wirecablefromtheunittothe
vessel'sbatteryordistributionpanel.
•Raymarinerecommendsaminimumwiregaugeof18AWG
(0.82mm
2
)foranylengthofcableextension.
•Regardlessofthelengthofthecableextension,anycable
usedshouldbecapableofachievingaminimumvoltageat
theunitof10.8Vwithafullyatbatteryat11V.
Powerdistribution
Raymarinerecommendsthatallpowerconnectionsaremade
viaadistributionpanel.
•Allequipmentmustbepoweredfromabreakerorswitch,with
appropriatecircuitprotection.
•RefertotheBreakers,fusesandcircuitprotectionsectionfor
specicfuseandthermalbreakerratingsforthisproduct.
Breakers,fusesandcircuitprotection
Itisrecommendedthatyoutathermalbreakerorfuseatthe
distributionpanel.
Thermalbreakerrating
5A(ifonlyconnectingonedevice)
Note:Thesuitablefuseratingforthethermalbreakeris
dependentonthenumberofdevicesyouareconnecting.Ifin
doubtconsultanauthorizedRaymarinedealer.
Sharingabreaker
Wheremorethan1pieceofequipmentsharesabreakeryou
mustprovideprotectionfortheindividualcircuits.E.g.by
connectinganin-linefuseforeachpowercircuit.
D116 37-2
2
4 4
1
3
+
-
1
Positive(+)bar
2
Negative(-)bar
3
Circuitbreaker
4Fuse
Wherepossible,connectindividualitemsofequipmentto
individualcircuitbreakers.Wherethisisnotpossible,use
individualin-linefusestoprovidethenecessaryprotection.
Warning:Productgrounding
Beforeapplyingpowertothisproduct,ensureithas
beencorrectlygrounded,inaccordancewiththe
instructionsinthisguide.
Grounding—Dedicateddrainwire
Thepowercablesuppliedwiththisproductincludesadedicated
shield(drain)wireforconnectiontoavessel'sRFgroundpoint.
ItisimportantthataneffectiveRFgroundisconnectedtothe
system.Asinglegroundpointshouldbeusedforallequipment.
Theunitcanbegroundedbyconnectingtheshield(drain)wire
ofthepowercabletothevessel'sRFgroundpoint.Onvessels
withoutanRFgroundsystemtheshield(drain)wireshouldbe
connecteddirectlytothenegativebatteryterminal.
Thedcpowersystemshouldbeeither:
•Negativegrounded,withthenegativebatteryterminal
connectedtothevessel'sground.
•Floating,withneitherbatteryterminalconnectedtothe
vessel'sground
Warning:Positivegroundsystems
Donotconnectthisunittoasystemwhichhas
positivegrounding.
Cablesandconnections