Chapter 5: Installation
5-13
If a longer power cable run is required, use the supplied power cable to
connect to the unit, then use a suitable connector block to connect the free
end to the extension cable. The supplied power cable has a cross-section
of 2.0mm
2
(15 AWG).
Longer power cable runs may require larger wire gauges to minimize any
voltage drop in the cable. In order to determine the correct supply cable
size if the power cable must be extended, estimate the length of cable
between the vessel’s main power source and the connector block, then
select the wire size determined by the distance as indicated in
Table 5-1
.
The DC power and NMEA inputs/outputs should be connected to the
POWER/NMEA
connector at the rear of the Plotter. The connector pin
functions are detailed in
Table 5-2
.
Table 5-2:
Power/NMEA Connections
Table 5-1: Maximum Power Cable Extension Lengths
Power Cable Core mm
2
:
1.5
2.0
2.5
4.0
6.0
10.0
Equivalent AWG:
16
15
14
12
10
8
Maximum Extension (feet):
36
49
65
98
147
230
Maximum Extension (meters):
11.0
15.0
20.0
30.0
45.0
70.0
Function
Color
Battery negative
Black
Battery positive
Red
NMEA data input (+ve)
White
NMEA input (-ve) -common
Green
Not connected
Gray
NMEA data out
Yellow
NMEA Data output common
Brown
Not connected
Screen
81171_4.BOOK Page 13 Thursday, November 29, 2001 11:34 AM
Содержание GPS Plotter
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