
3.1Generalcablingguidance
Cabletypesandlength
Itisimportanttousecablesoftheappropriatetypeandlength
•Unlessotherwisestateduseonlystandardcablesofthe
correcttype,suppliedbyRaymarine.
•Ensurethatanynon-Raymarinecablesareofthecorrect
qualityandgauge.Forexample,longerpowercablerunsmay
requirelargerwiregaugestominimizevoltagedropalongthe
run.
Routingcables
Cablesmustberoutedcorrectly,tomaximizeperformanceand
prolongcablelife.
•DoNOTbendcablesexcessively.Whereverpossible,ensure
aminimumbenddiameterof200mm(8in)/minimumbend
radiusof100mm(4in).
100 mm (4 in)
200 mm (8 in)
•Protectallcablesfromphysicaldamageandexposuretoheat.
Usetrunkingorconduitwherepossible.DoNOTruncables
throughbilgesordoorways,orclosetomovingorhotobjects.
•Securecablesinplaceusingtie-wrapsorlacingtwine.Coil
anyextracableandtieitoutoftheway.
•Whereacablepassesthroughanexposedbulkheador
deckhead,useasuitablewatertightfeed-through.
•DoNOTruncablesneartoenginesoruorescentlights.
Alwaysroutedatacablesasfarawayaspossiblefrom:
•otherequipmentandcables,
•highcurrentcarryingacanddcpowerlines,
•antennae.
Strainrelief
Ensureadequatestrainreliefisprovided.Protectconnectors
fromstrainandensuretheywillnotpulloutunderextremesea
conditions.
Circuitisolation
Appropriatecircuitisolationisrequiredforinstallationsusing
bothACandDCcurrent:
•Alwaysuseisolatingtransformersoraseparatepower-inverter
torunPC’s,processors,displaysandothersensitiveelectronic
instrumentsordevices.
•AlwaysuseanisolatingtransformerwithWeatherFAXaudio
cables.
•Alwaysuseanisolatedpowersupplywhenusinga3rdparty
audioamplier.
•AlwaysuseanRS232/NMEAconverterwithopticalisolation
onthesignallines.
•AlwaysmakesurethatPC’sorothersensitiveelectronic
deviceshaveadedicatedpowercircuit.
Cableshielding
Ensurethatalldatacablesareproperlyshieldedthatthe
cableshieldingisintact(e.g.hasn’tbeenscrapedoffbybeing
squeezedthroughatightarea).
3.2Connections
Connectionsoverview—EV-1andEV-2
1.SeaTalk
ng
.
2.DeviceNet.
Important:TheDeviceNetportisforusewiththeEV-2only.
DoNOTconnectthisportontheEV-1unit.
Connectionsoverview—ACU-100
A B+
_
MOTOR
RUDDER
P OWER
D12861-1
1 2
54
3
1.SeaTalk
ng
.
2.Rudderreferenceconnection.
3.Powerin.
4.RFGround.
5.Motor(drive)connection.
Connectionsoverview—ACU-200
GR OUND
POWE R
P OWE R, 20 AMP
12 V
OFF
ON
24 V
RUD DER
CLUTCH
S LEEP
, 3 AMP
Ra yma r ine UK Ltd
POWE R MOT O R
A B
ACU 200
MADE IN HUNGARY
D12671-1
1 2 3 4 5
6 7
1.SeaTalk
ng
.
2.Sleepswitch.
3.Powerin.
4.Motor(drive)connection.
5.RFground.
6.Rudderreferenceconnection.
7.Clutchconnection—selectablebetween12/24Vtosuit
connecteddevice.
22
EvolutionEV-1,ACU-100,ACU-200,ACU-300,ACU-400
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