Raymarine VCM100 - Page 20

RFgroundsystem(alternative)
D117 10-1
1 2 4
3
1.Powercabletoproduct.
2.Drain(screen).
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.
Important:DoNOTconnectthisproducttoapositively-grounded
powersystem.
References
•ISO10133/13297
•BMEAcodeofpractice
•NMEA0400
20
HDandSuperHDDigitalOpenArrayInstallationinstructions