Raymarine SmartPilot SPX-10 - Grounding

3.6Grounding
ThesegroundingrequirementsareapplicableforRaymarine
equipmentwithadedicatedgroundterminal.
•Thegroundterminalmustbeconnectedtoacommonground
point.
•Itisrecommendedthatthecommongroundpointisabonded
ground,i.e.withthegroundpointconnectedtobatterynegative,
andsituatedascloseaspossibletothebatterynegativeterminal.
Ifabondedgroundsystemisnotpossible,anon-bondedRF
groundmaybeused.
Bondedgroundsystem(preferred)
D119 40 -1
2 4
3
1
RFgroundsystem(alternative)
D119 41 -1
2 4
3
1
1.Groundterminal.(ThismayalsobelabelledasGround,or
Screen.)
2.Groundbraid.
3.Bonded(preferred)ornon-bondedRFground.
4.Powersupplyorbattery.
Implementation
Ifseveralitemsrequiregrounding,theymayrstbeconnected
toasinglelocalpoint(e.g.withinaswitchpanel),withthispoint
connectedviaasingle,appropriately-ratedconductor,totheboat’s
commonground.Thepreferredminimumrequirementforthepath
toground(bondedornon-bonded)isviaaattinnedcopperbraid,
witha30Arating(1/4inch)orgreater.Ifthisisnotpossible,an
equivalentstrandedwireconductormaybeused,ratedasfollows:
•forrunsof<1m(3ft),use6mm
2
(#10AWG)orgreater.
•forrunsof>1m(3ft),use8mm
2
(#8AWG)orgreater.
Inanygroundingsystem,alwayskeepthelengthofconnecting
braidorwiresasshortaspossible.
28SPXSmartPilotinstallationinstructions