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3884.DOC000002 Edition: 20.APR.2009
NAVIGATION DATA MANAGER
NDM
Description
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NDM
NAVIGATION DATA MANAGER
NDM
NAVIGATION DATA MANAGER
A
3884DOC000002Edition: 06.SEP.2006
SAFETY NOTES:
S Warning!
Take care during maintenance and repair work: avoid
touching live electrical connections. The applicable
safety regulations such as VDE, VBG 4, OSHA 1919
and other appropriate safety standards must be fol-
lowed.
S The installation and first putting into operation may only
be performed by trained and qualified personnel.
S Maintenance and repair work may only be performed
by trained and qualified personnel having knowledge of
the national safety regulations for this type of equip-
ment.
S The equipment can be damaged!
Parts may only be replaced when the supply voltage is
switched off.
NDM
NAVIGATION DATA MANAGER
B
3884DOC000002 Edition: 06.SEP.2006
Table of Contents
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NAVIGATION DATA MANAGER
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3884DOC000002Edition: 06.SEP.2006
1 Description 1--1..............................................................
1.1 General 1--1.................................................................
1.2 Construction 1--2.............................................................
1.2.1 Control Unit 1--2............................................................
1.3 Functional Description 1--3....................................................
1.3.1 Navigation Data Manager NDM 1--5...........................................
1.3.1.1 General 1--5...............................................................
1.3.2 Power Supply Pcb 24 V 1--6..................................................
1.3.3 Power supply for +5 V, + 15 V 1--6.............................................
2 Servicing, maintenance and repair 1--7........................................
2.1 Safety instructions 1--7........................................................
2.2 Servicing and maintenance 1--7................................................
2.3 Repair 1--8..................................................................
2.3.1 Explanation of the symbols 1--8...............................................
2.3.2 Control Unit 1--9.............................................................
2.3.2.1 Exchanging the control unit pcbs 1--12.........................................
Annex
Table of Contents
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3884DOC000002Edition: 31.OCT.2008
1 Description
1.1 General
The Navigation Data Manager is used as serial and Ethernet data distribution
used for NAUTOCONNING (CONNING DISPLAY) and for the MULTI FUNC-
TION SYSTEM (MFS) Radar and ECDIS.
Via the Navigation Data M anager the CONNING DISPLAY or the M ULTI FUNC -
TION SYSTEM receives all required sensor data, status signals and alarms.
The Navigation Data Manager as a central part of a NAUTOCONNING System
has the followin g m ain tasks (see annex, Block diagram):
Registration and adaptation of ethernet data
-- Radar
-- ECDIS
-- e t c .
Registration and adaptation (converting) of serial data-
-- Log
-- N a v R e c
-- W i n d
-- Depth
-- P o s i t i o n
-- e t c .
Registration and converting of analog data to internal digital data
Data Distribution to connected devices (Radar, ECDIS, Conning Display,
Alarm Transfer System etc.)
--
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1.2 Construction
A Navigation Data M anager consists of the following basic hardware compon-
ents (see Figure: 1--1).
-- Control Unit
-- Interfaces for registration and adaption of serial data
-- Converter for the registration and adaption of external analog data
-- Interfaces for registration and adaption of sensor data
Depending on the planning of the individual installation
the number of components may differ.
1.2.1 Control Unit
The control unit consists of the following functional groups (see Figure: 1--1):
1 Navigation Data Manager (NDM) -- Master
2 Power supply +5 V, + 15 V
3 NDM -- Slaves (4x serial)
4 Power supply pcb 24 V
123
4
Figure: 1--1 Structure of the control unit
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1.3 Functional Description
The Navigation Data Manager (NDM) consists of (see F igure: 1--2):
NDM--Master with following intergrated function modules:
-- NavData Inteface
-- Alarm Data Interface
-- Navigation Data Distribution
-- Selection Manager
-- Alarm Manager
-- Navigation Data Manager Selection
For a detailed description of the NDM Manager see chap. 1.3.1.
NDM--Slaves
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NMEA
Interface
NDM SLAVES
(4x serial)
NMEA
Interface
NMEA
Interface
NMEA
Interface
NMEA
Interface
NDM SLAVES
(4x serial)
NMEA
Interface
NMEA
Interface
NMEA
Interface
NMEA
Interface
NDM SLAVES
(4x serial)
NMEA
Interface
NMEA
Interface
NMEA
Interface
NMEA
Interface
NDM SLAVES
(4x serial)
NMEA
Interface
NMEA
Interface
NMEA
Interface
Selection
Manager
Alarm Manager
(internal)
Alarm Data
Interface
NavData
Interface
Navigation
Data
Distribution
NDM--Master
ETHERNET
Navigation Data
Manager
Selection
up to
11 NDM
SLAVES
internal CAN BUS
(back--plane)
Navigational Sources
e.g.
GPS, Echosounder
Gyro, Log, Autopilot
AIS, VDR, Analog
Converter
CONNING
DISPLA Y
MULTI FUNCTIO N
SYSTEM
MFS
Figure: 1--2: Functional Diagram Navigation Data Manager
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1.3.1 Navigation Data Manager NDM
(see also Figure: 1--2)
1.3.1.1 General
The NDM consists of a group of up to 12 pcb’s ( 1 m aster and up to 11 slaves).
The hardware of all the slaves is identical, which each pcb has its own
microprocessor.
The NDM--Master is a Vx Works PC.
The pcb’s are located in a 19“ rack.
The back--plane is used as pcb holder and central distribution for the internal
power supply and data transfer per CAN--BUS technology.
External devices are connected via isolated transfer modules (RS232, 20mA,
RS422, RS485, TriState) on the slaves.
Communication with further units takes place via the Ethernet (NavData Inter-
face).
The NDM--Master (defined also as Navigation Data Distribution) determines the
CAN bus configuration, in other words how many slaves with what addresses
are active on the bus.
Every user interface can be freely configured:
-- Module: RS485, RS422, RS232, 20mA, Tr iState
-- Baud rate, parity and data bits
-- “End of Line” char of telegrams
The Navigation Data Distribution can only be configured as follows:
-- IP--Address, Port--Number, with/without data header
Note:
Only the NDM has a Ethernet connection.
The configuration of the NDM is stored in its flash memory.
The configuration is stored in the EEPROMs on the slave pcb’s concerned.
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Summary of the most important features of the NDM manager:
-- Configurable user interfaces
-- NMEA telegrams received may have variable format, e.g.:
$GPGLL,5430.22,N,01234.267,W*2E<CR><LF>
$GPGLL,05430.220,N,01234.267,W*2E<CR><LF>
-- selection of data
-- send selected data only
-- join together data from different inputs
1.3.2 Power Supply Pcb 24 V
Transformers and rectifiers are used to generate 24 VDC from the 230 VAC
mains supply. This is then further processed in the DC supply unit to generate
the internal +5 V, +15 V.
1.3.3 Power supply for +5 V, + 15 V
Generates the internal +5 V and +15 V voltages from a 24 VDC input and makes
it available to the control unit via the back--plane.
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3884DOC000002Edition: 06.SEP.2006
2 Servicing, maintenance and repair
2.1 Safety instructions
Warning!
Take care during maintenance and repair work: avoid
touching live electrical connections. The applicable safety
regulations such as VDE, VBG 4, OSHA 1919 and other
appropriate safety standards must be followed.
Warning!
Maintenance and repair work may only be performed
by trained and qualified personnel having knowledge
of the national safety regulations for this type of
equipment.
Warning!
The equipment can be damaged!
Parts may only be replaced when the supply voltage is
switched off.
2.2 Servicing and maintenance
Servicing and maintenance are not needed for the Navigation Data Manager.
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2.3 Repair
2.3.1 Explanation o f the symbols
or
LED flashes
or
LED off
or
LED on
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2.3.2 Control Unit
Figure: 1--3 and the following table show the standard signals during trouble--
free operation.
1 Navigation Data Manager (NDM) -- Master
2 Power supply +5 V, + 15 V
3 NDM--Slaves (4x serial)
4 Power supply pcb 24 V
ON / OFF
13 42
*)
*)
*) *)
*) LED signalling when the
Control Unit has to be in use
Figure: 1--3: Signals on the Control Unit
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NDM
Pos 1
LED Color Standard Comment
red
green flashing
Program is running
Power supply
+5 V, +
15 V
Pos 2
LED Color Standard Comment
green +5V
green +15V
green --15V
ON OFF
ON
Toggle switch
ON for Control
Unit ON
OFF for Control Unit
OFF
Slaves
Pos 3
LED Color Standard Comment
RUN/FAULT
green
flashing
Program is running
Power supply
24 V
Pos 4
LED Color Standard Comment
green 230 VAC
green
24V
Emergency
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If one of the LEDs behaves other than in the standard fashion, it is recom-
mended as a first step to exchange the corresponding card (see chap . 2.3.2.1).
If either the ”RUN” or the ”FAULT” LED of one of the cards does not corre -
spond to the standard signal, the first step is to perform a restart.
Proceed as follows:
Switch the device off (see ON/OFF switch, F igure: 1--3 ) and wait for about 25
seconds
Switch the device on again.
If the fault is not overcome in this way, appropriately trained service personnel
should be called.
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2.3.2.1 Exchanging the co n t rol unit pcbs
-- Undo the cross--headed fastening screws and remove the cover.
-- Undo the fastening screws of the connector on the front side of the pcb to be
exchanged and pull out the plug.
-- Loosen the pcb’s two fastening screws, and pull the pcb out from the
back--plane by pushing the levers apart, removing the pcb then in a forwards
direction.
-- Configure the new pcb
The pcb configuration is software controlled (flash
memory and program controlled) and has to be done
by trained and qualified personnel only.
Fastening
screw
Fastening
screw
Lever
Lever
Figure: 1--4 Control Unit, fastening points
-- Insert the configured pcb and fasten it
-- Plug the connector in and fasten it
-- Place the cover on and fasten it
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NAVIGATION DATA MANAGER
Block Diagram
Annex --1
3884DOC000002Edition: 20.APR.2009
NMEA SENSORS
ALARM TRANSFER
SYSTEM
ECDIS RADAR
ETHERNET
SWITCH
NAUTOCONNING
DISPLAY NCD
ALARM PANEL
used as CENTRAL
ALARM PANEL
CENTRAL BRIDGE PLACE
NAVIGATION DATA MANAGER
DV BUS
RADAR
ECDIS
AUTOPILOT
GYRO COMPASS
CONNING ALARM
NMEA
GL ONASS
WIND
GPS 1
GPS 2
ALARM SOURCES
NAVIGATIONAL SOURCES (e.g.)
ECHOSOUNDER
GYRO
LOG
IR--NAV
IR--TRACK
AUTOPILOT NP20xx
AIS
FC--NAV
FC--TRACK
VDR
ANALOG CONVERTER
230 VAC
24 VDC
Computer
MFC *)
or
*) Multifunction Console
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Block Diagram
Annex --2
3884DOC000002Edition: 20.APR.2009
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