Raymarine i50 Depth - General Cabling Guidance; Power Connection

4.1Generalcablingguidance
Cabletypesandlength
Itisimportanttousecablesoftheappropriatetype
andlength
•Unlessotherwisestateduseonlystandardcables
ofthecorrecttype,suppliedbyRaymarine.
•Ensurethatanynon-Raymarinecablesareofthe
correctqualityandgauge.Forexample,longer
powercablerunsmayrequirelargerwiregauges
tominimizevoltagedropalongtherun.
Routingcables
Cablesmustberoutedcorrectly,tomaximize
performanceandprolongcablelife.
•DoNOTbendcablesexcessively.Wherever
possible,ensureaminimumbenddiameterof200
mm(8in)/minimumbendradiusof100mm(4in).
100 mm (4 in)
200 mm (8 in)
•Protectallcablesfromphysicaldamageand
exposuretoheat.Usetrunkingorconduitwhere
possible.DoNOTruncablesthroughbilgesor
doorways,orclosetomovingorhotobjects.
•Securecablesinplaceusingtie-wrapsorlacing
twine.Coilanyextracableandtieitoutoftheway.
•Whereacablepassesthroughanexposed
bulkheadordeckhead,useasuitablewatertight
feed-through.
•DoNOTruncablesneartoenginesoruorescent
lights.
Alwaysroutedatacablesasfarawayaspossible
from:
•otherequipmentandcables,
•highcurrentcarryingacanddcpowerlines,
•antennae.
Strainrelief
Ensureadequatestrainreliefisprovided.Protect
connectorsfromstrainandensuretheywillnotpull
outunderextremeseaconditions.
Cableshielding
Ensurethatalldatacablesareproperlyshielded
thatthecableshieldingisintact(e.g.hasn’tbeen
scrapedoffbybeingsqueezedthroughatightarea).
4.2Powerconnection
PowerissuppliedtotheproductovertheSeaT alk
ng
network.
ASeaT alk
ng
systemrequiresone12Vdcsupply,
connectedtotheSeaTalk
ng
backbone.Thiscanbe
provided:
•Byabatteryviathedistributionpanel,or
•FromaRaymarinecoursecomputer,viaaSeaT alk
oraSeaT alk
ng
system.
Warning:Groundingnotrequired
Thisproductisfullyinsulatedanddoes
NOTrequireseparategrounding.
Warning:Positivegroundsystems
Donotconnectthisunittoasystemwhich
haspositivegrounding.
Powerconnection
Directpowerconnection
+
_
D13137-1
2
1
4
3
1
3Acircuitbreakerorfuse
212Vdcvesselpowersupply
3Vessel’sRFground
4
SeaTalk
ng
powercable
Example
SeaTalk
ng
D12391-2
1 2
8
6
3 54
7
12 V dc
1
SeaTalk
ng
instrument
2
SeaTalk
ng
Pilotcontroller
312Vdcvesselpowersupply.
24
i50