Simrad Halo24 - Power connection

18 |
Installation | Halo20, 20+ and 24 Dome Radars Installation Manual
Power connection
The unit is designed to be powered by a 12 or 24 V DC system. It is protected against reverse
polarity, under voltage, and over voltage (for a limited duration of time).
A fuse should be fitted to the positive supply, for recommended fuse rating refer to “Technical
specifications” on page 27.
¼ Note: Connection via a switch panel and main isolator switch is assumed. Wiring directly to a
vessels battery bank is not recommended.
The shield (bare wire) can be insulated from all other wires.
If interference is encountered from other on board electronics, the screen can be connected
to a vessel hull ground to help reduce any interference, but it is not generally required.
A B
E
F
C
D
Key Color Description
A Black DC negative
B Red +12/24 V DC
C Yellow Power control wire
D -- Shield
E -- Data cable
F -- Interconnection cable to scanner
Recommended wire gauges for extending power wire length for a 12 V system:
Extension wiring length
2 m
(6.56 ft)
5 m
(16.40 ft)
10 m
(32.80 ft)
20 m
(65.61 ft)
30 m
(98.42 ft)
5 m
(16.40 ft)
16
16 16 16 14
10 m
(32.80 ft)
16 16 14 12
20 m
(65.61 ft)
16 16 14 12
30 m
(98.42 ft)
14 12 8 6
5 m
(16.40 ft)
1.00
1.00 1.00 1.00 2.50
10 m
(32.80 ft)
1.00 1.00 2.50 4.00
20 m
(65.61 ft)
1.00 1.00 2.50 4.00
30 m
(98.42 ft)
2.50 4.00 10.00 16.00
Interconnection cable length
Min. AWG
Min. Cross-section
(mm)