Chapter 1: System connections
11
Separate SmartPilot computer and instrument power
Another option is to provide separate power supplies to the SmartPilot computer
and SeaTalk system so you can have independent, switched instrument and pilot
systems.
Note:
DO NOT connect the SeaTalk RED wire at the SmartPilot terminal
WARNING: Use correct fuse
The fuse supplying the instrument system MUST be rated at 5A or
less.
The behavior of the computer and the instruments now depend on where power
is applied to the system.
•
Computer AND instrument power supplies ON:
The system will function normally.
•
Only computer power supply ON:
The controller and instruments do not power up.
•
Only instrument power supply ON:
The controller shows a NO PILOT message.
Connecting SeaTalk or NMEA compasses
You can connect SeaTalk or NMEA compasses to the SmartPilot computer, either
to replace the fluxgate compass or provide supplementary compass signals.
When you connect more than one compass to the autopilot system, the computer
processes their signals in this order of priority:
D6302-2
SmartPilot
controller
SeaTalk instruments
SeaTalk bus
Computer
power supply
(via breaker/fuse)
SmartPilot
computer
SeaTalk
SeaTalk
Screen
Do not connect Red wire
(Cut back and insulate)
Yellow
Instrument SeaTalk
bus 12 V power supply
(via breaker/fuse
rated at 5 A or less)
Separate SmartPilot computer and instrument power supplies
81282_1.book Page 11 Monday, October 2, 2006 1:58 PM
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