WIRING CABLE CONNECTIONS
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5
WIRING CABLE CONNECTIONS
A detailed installation wiring diagram for the R4 Navigation System is
available in Appendix [A.8]. This diagram includes cable connections for
the R4 Navigation Sensor, R4 Display, power supply and RS422 ports. The
diagram also illustrates how to correctly connect shield of external
equipment.
Please refer to this diagram when doing the installation.
The following chapters give a detailed description of the cables for the R4
Display and the R4 Navigation Sensor.
5.1
R4 Navigation Sensor Cable Description
Figure 5-1 describes the power and data cable of the R4 Navigation Sensor.
The R4 Navigation Sensor cable is connected by an 18-pin ConXall
connector and supplies several different interfaces, described below. The
cable is also used to apply power to the sensor.
Figure 5-1: R4 Navigation Sensor Power and Data cable
Important:
The shield of the Navigation Sensor power and data cable (
SAA
7000 109-011) is
referenced to the negative 24V DC supply. For this reason,
the free end of
the cable shield must not be connected to the ship’s structure
. For the
same reason, don’t connect the Navigation Sensor alarm acknowledge signal
ground, the speed log pulse signal ground or the cable shield for the GPS
antenna to the ship’s structure.
Содержание 1000 R4
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