User's Manual

SBS
-
900 Shore
Ba
Ba
sed
Radar Systems
Chapter
5
:
Technical overview
KH
KH
-
1602 2
issue 1
:
Standard SBS900 Systems Operator & Maintenance Handbook
Page
30
30
of
240
5.11
Radar Distribution Unit
There are 5 Radar Distribution Units used in the
standard
SBS
-
900
range
with the only difference
being the configuration and interfacing of the individual units.
The operation of each of the Radar Distribution Units is identical.
SBS system
:
SBS
900
1
SBS
900
2
SBS
900
3
SBS
900
4
SBS
900
51
51
RDU
SBS
-
A1
A1
-
4
SBS
-
A1
A1
-
5
SBS
-
A1
A1
-
6
SBS
-
A1
A1
-
7
SBS
-
A1
A1
-
8
The SBS
-
A1
A1
-
X Radar Distribution Unit (
RDU
)
is a radar processing and distribution
unit that accepts radar video input
s from the external transceiver
enclosure
and
provides signal outputs in digital form.
The RDU accepts
radar
data
via fibre optic cable or cable connection (cable on
SBS
900 51 only
) and
output
s
digit
ised video including control and status data
via a
LAN
to
to
the
track extractor.
A
Kelvin Hughes TCP/IP specific protocol
is used
based on the Asterix format
.
The RDU al
so provides an int
erim two way serial interface for
a range of s
ervice
d
isplay
s which offer local
control of the
system for maintenance and monitoring
purposes.
Control modes
: The RDU can be operated in either of the following modes
Remote control
In normal operation,
the
system
i
s remotely controlled
via a 3
rd
rd
rd
party
command & display
system or track extractor
and WAN with the RDU acting as an interface.
Note
: The infrastructure of the track extractor and WAN are not detailed in this handbook.
Local control
In local control, t
he system can be
locally
operated using controls
mounted on the front of the Radar Distribution Unit (RDU); controls
include:
-
Local
or
R
emote
control selection.
-
Local transceiver
Run
and
Standby
control.
-
View
ing
of status and BITE data on an integrated LCD display.
-
Viewing and a
djustment of system configurations.
Optional
service display
A range of optional service displays are available which enables a maintainer to view,
control and display the radar locally f
or commissioning and maintenance purposes.
AC Breakers:
To
comply with CE
and EN60950 requirements it is recommended that the
AC
connections to the RDU are via clearly labelled, readily accessible
disconnection
device
s:
s:
-
Single phase
supply
:
Standard CE approved mains outlet sockets (not supplied).
-
Three phase
supply
:
Class B, red, 4
pole plug & socket (not supplied).
Antenna Rotation Safety Notice
Depending on the status of the safety switches, w
hen three
phase power
is
is
connected and
connected and
switched ON, the antenna
may rotate
immediately
regardless of the RUN command status.