Cabling And Power Supplies; Signal Cabling - Raymarine Autohelm 6000 User Manual

2.3 CABLING AND POWER SUPPLIES

2.3.1 SIGNAL CABLING

Cable interconnections between all sub system
modules are shown schematically in (Fig. 1). All
peripheral units connect to the connector unit
where they are permanently hard wired to colour
coded connector blocks situated on a central
printed circuit board (Fig. 30).
The end face of the connector unit is fitted with
ten blanking discs (Fig. 27), which are easily
grommets supplied with each peripheral unit
fixing kit (Fig. 28). After cutting the interconnecting
cable to length (Fig. 29), it may be passed through
the inserted rubber grommet and prepared for
connection to the relevant connector block
(Fig. 30).
Each connector block is clearly identified on
the printed circuit board and each wire position is
identified by coloured dots which match the
individual wire colours.
be connected to terminals identified by a white
dot.
The control units and the Radio Navigation
Interface may be connected to any of the serial
bus connector blocks Al - A5
Each peripheral unit is supplied with 6m (20')
of interconnecting cable. Additional cabling can
be supolied in 12m (40') cut lengths as follows:-
.
Cat. No. 0086
Two core unscreened
Cat. No. DO88
Four core screened
Fig. 30
The cable screen should
Alarm, Electronic
power supply and
Clutch
Control units,
Navigation Interface
Fig. 28
l
BLUE
I I