Raytheon Anschuetz GmbH High Seas Products MTX9 사용자 설명서

Chapter 1: Overview

13

For vessels with 12 V power systems, the recommended cable(s) for different
run lengths are given in the following table, which assumes a minimum supply
voltage of 10.7 V (the lowest voltage likely to be reached by a 12 V battery in
normal marine use). Do not use cable combinations that are not included in
the table.

Inter-Unit Cable

4 kW Scanners

10kW Scanners

Length Required (m)

5

5m heavy

15

15 m heavy

15

5 m heavy + 10 m  extension

Refer to the packing list in Section 1.2 for cable part numbers

For vessels with 24 V and 32 V power systems, any combination of inter-unit
cable up to a maximum length of 35 m can be used.

The radome radar systems are intended for use on ships’ DC power systems
operating in the 10.7 to 32 V DC range (that is, 12 V and 24 V systems, not 32 V
systems). A 1.5 m (5 ft) power cable is supplied (with the display unit) for
connecting the ship’s DC power to the radar scanner via the display unit. Refer
to the HSB Series Display Owner’s Handbook for details on connecting this
cable. This section provides details for extending the length of the power cable.

If a longer power cable run is required, use the supplied power cable to connect
to the display 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
2.0 mm

2

.

Note: For vessels with 24 V power systems, the power cable may be extended
by up to 20 m using a wire gauge of 1.5 mm

For vessels with 12 V power systems, longer power cable runs may require
larger wire gauges to minimise any voltage drop in the cable. The scanner type
and the length and type of the inter-unit cable (see tables) also affect the wire
gauge required for the extension power cable. In order to determine the correct

154_3c1.p65

13/12/99, 17:01

13