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4.4.3 Sensor configuration
The CSA-300 transceiver has seven NMEA0183 (IEC61162-1/2) data ports for connection of ship’s sensors
a
nd display equipment as described in Table 3. There are three input ports for ship’s sensor data and three
bidirectional ports for connection of display equipment such as Radar or electronic chart displays. It is
r
ecommended that an AIS compatible electronic charting system is connected to the CSA-300 transceiver for
display of AIS targets. To comply with IMO regulations the AIS must be connected to speed over ground
(SOG), course over ground (COG), heading, rate of turn (ROT) and position information sources.
The three sensor ports are input only data ports for the connection of
data from ships sensors. The four
remaining ports are bi-directional high speed connections supporting data input and output from the AIS. These
ports are suitable for connection to ECDIS, AIS enabled RADAR displays and Pilot equipment.
All data input connections ar
e optically isolated.
Table 3 Serial data ports
All sensor ports can be configured via the sensor configuration
menu which can be found under the Main
menu>Installation>Sensor configuration menu option.
The sensor configuration menu also
includes the ability to disable the requirement for external GPS sensors to
provide a DTM (Datum) sentence, as not all external GPS devices provide this sentence.
4.4.4 Junction box connections
The junction box provides screw terminal connections for ea
ch of the seven data ports. The connections and
functions of each connection are defined in Table 4. All connections are labeled on the junction box PCB for
clarity. A diagram showing connections available in
side the junction box is provided in Figure 44.
Use of shielded cable is recommended when connec
ting ships sensors and display systems to the junction box
Connect the cable shield to the terminal block marked ‘shields’ in the junction box. It is possible to remove the
PCB from the junction box enclosure to aid connection of cables to the screw terminals during installation.
Data port Function Type Default Baud rate
1 Sensor 1 input
(DGPS -
CO
G/SOG/LAT/LON)
Receive only 4800
2 Sensor 2 input
(Rate of Turn)
Receive only 4800
3 Sensor 3 input
(Gyro heading)
Receive only 4800
4 External display / ECDIS Bi-directional 38400
5 Pilot port Bi-directional 38400
6 Long Range Bi-directional 38400
7 DGPS beacon receiver Bi-directional 4800
If an external GPS device which does not provide a DTM sentence is connected to the
transceiver and the transceiver is configured to require DTM sentences, the external GPS data
will not be accepted by the transceiver. If no DTM sentence is required the WGS84 datum will be
used as a coordinate origin and the external GPS device must be configured to output position
using this datum.
Do not connect the shield of both the external equipment and the junction box. Connect at only
one end.
www.busse-yachtshop.de | info@busse-yachtshop.de
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