Raymarine RL80C Plus Dokumentacja Strona 193

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Chapter 8: Installation 8-15
Display Unit
Connection
Power and NMEA Input Connection
TheDC powerand NMEA inputshould be connectedat the rear Power/
NMEAseven-pinconnector.Theconnector(viewedfromtheoutside)andpin
functionsareshowninthefollowingdiagramand table. The NMEA Input is
detailed in Section 8.8.
f
Figure 8-8: Power and NMEA Connector
Power Connection
CAUTION:
Ifthepowerconnectionsareaccidentally reversedthesystemwill not
work.Use a multimetertoensurethatthe inputpowerleadsare
connectedforcorrectpolarity.
Switchoff the displayunitbefore youremovethepowercord.
TheREDwiremustbe connectedtothe feedfromthepositive(+)battery
terminal and theBLACK wireto the feedfromthe negative(–)battery
terminal.Theshieldedwire(screen)shouldbeconnectedtotheship’s RF
groundas previouslydescribedin Grounding the Systemon page 8-12.
Anyunused wires shouldbeinsulated andtapedback.
Pin No. Function Color
1 Channel 1 NMEA data input (+ve) Orange
2 Channel 1 NMEA return (-ve) Yellow
3 Battery negative Black
4 Shield (drain wire) No insulation
5 Battery positive (12/24/32 V systems) Red
6 Channel 2 NMEA data input (+ve) Green
7 Channel 2 NMEA return (-ve) Blue
2
1
4
3
5
7
6
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