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Installation Manual
RADAR SENSOR
DRS2D/DRS4D/
DRS4A/DRS6A/DRS12A/DRS25A
SAFETY INSTRUCTIONS ............................................................................i
SYSTEM CONFIGURATION ....................................................................... ii
EQUIPMENT LISTS....................................................................................iv
1. MOUNTING............................................................................................ 1
1.1 Mounting Considerations..............................................................................................1
1.2 Mounting Procedure for DRS2D/4D .............................................................................2
1.3 Mounting Procedure for DRS4A/6A/12A/25A...............................................................3
1.4 Mounting of Power Supply Unit ....................................................................................8
2. WIRING ................................................................................................ 11
2.1 Wiring inside DRS2D/4D ............................................................................................15
2.2 Wiring inside DRS4A/6A/12A/25A..............................................................................19
2.3 Wiring of Power Supply Unit.......................................................................................23
SPECIFICATIONS ................................................................................. SP-1
PACKING LISTS...................................................................................... A-1
OUTLINE DRAWINGS............................................................................. D-1
INTERCONNECTION DIAGRAMS.......................................................... S-1
i
WARNING
WARNING
Wear a safety belt and hard hat when
working on the antenna unit.
Serious injury or death can result if
someone falls from the radar mast.
Model
Distance to
100 W/m
2
point
Distance to
10 W/m
2
point
DRS4A
Nil
1.20 m
Nil
1.20 m
CAUTION
Do not open the equipment unless
totally familiar with electrical circuits
and service manual.
Only qualified personnel should work
inside the equipment.
Ground the equipment to prevent
electrical shock and mutual
interference.
Model
Standard
Steering
DRS4A
0.80 m
0.50 m
DRS6A
0.85 m
0.55 m
Radio Frequency Radiation Hazard
DRS6A
SAFETY INSTRUCTIONS
DRS12A
DRS2D
Nil
0.40 m
0.10 m
1.40 m
DRS4D
DRS4D
1.40 m
0.85 m
DRS2D
1.35 m
0.80 m
0.20 m
2.40 m
DRS12A (XN12A)
DRS12A (XN13A)
0.20 m
1.90 m
1.15 m
0.70 m
PSU-012
0.30 m
0.30 m
PSU-013
0.30 m
0.30 m
DRS25A
1.00 m
0.60 m
0.50 m
5.30 m
DRS25A (XN12A)
DRS25A (XN13A)
0.40 m
4.40 m
Indicates a potentially hazardous situation which, if not avoided,
could result in death or serious injury.
Read these safety instructions before installing the equipment.
WARNING
Indicates a potentially hazardous situation which, if not avoided,
canresult in minor or moderate injury.
Warning, Caution
Prohibitive Action
CAUTION
Mandatory Action
The radar antenna emits electromagnetic radio
frequency (RF) energy which can be harmful,
particularly to your eyes. Never look directly into
the antenna aperture from a close distance while
the radar is in operation or expose yourself to the
transmitting antenna at a close distance.
Distances at which RF radiation levels of 100 and
10 W/m
2
exist are given in the table below.
Note: If the antenna unit is installed at a close
distance in front of the wheel house, your
administration may require halt of transmission
within a certain sector of antenna revolution. This
is possible - Ask your FURUNO representive or
dealer to provide this feature.
Construct a suitable service platform
from which to install the antenna
unit.
Serious injury or death can result if the
power is left on or is applied while the
equipment is being installed.
Turn off the power at the mains
switch board before beginning the
installation.
Fire, electrical shock or serious injury
can result if the power is left on or is
applied while the equipment is being
installed.
Observe the following compass safe distance
to prevent deviation of a magnetic compass.
PSU-017
0.30 m 0.30 m
ii
SYSTEM CONFIGURATION
DRS2D/4D/4A/6A/12A
RADAR SENSOR
DRS4A/DRS6A/DRS12A
RECTIFIER
RU-1746B
100/110/220/230 VAC12-24 VDC
NMEA 2000
Equipment
Multi Function Display BlackBox
MFDBB
*
1
:
The power supply unit (PSU-012/017) is necessary in the combination of radar sensor and multi function display.
NMEA 2000
Equipment
RADAR SENSOR
DRS2D/DRS4D
MFD8
MFD12
MFDBB
DRS2D/4D DRS4A DRS6A DRS12A
NO
NO
NO
NO
NO
NO
NO
PSU-012
NO
12-24 VDC
Multi Function Display
MFD8/12, TZT9/14
or
Multi Function Display BlackBox
TZTBB
Multi Function Display
MFD8/12, TZT9/14
or
Multi Function Display BlackBox
TZTBB
TZT9
TZT14
Power Supply Unit*
1
PSU-017*
2
Power Supply Unit*
1
PSU-017*
2
12-24 VDC
PSU-012
PSU-012
PSU-012
PSU-012
PSU-012
PSU-012
PSU-012
PSU-012
PSU-012
PSU-012 or PSU-017
PSU-012 or PSU-017
*
2
:
The disconnecting device (breaker, etc.) is required when the power cable of PSU-017 is connected to ship’s mains.
Power Supply Unit*
1
PSU-012
Power Supply Unit*
1
PSU-012
TZTBB
PSU-012 or PSU-017 PSU-012 PSU-012 PSU-012
or
iii
DRS25A
RADAR SENSOR
DRS25A
RECTIFIER
RU-1746B
100/110/220/230 VAC
12-24 VDC
NMEA 2000
Equipment
Power Supply Unit
PSU-013
12-24 VDC
Multi Function Display
MFD8/12, TZT9/14
or
Multi Function Display BlackBox
MFDBB, TZTBB
Multi Function Display
MFD8/12, TZT9/14
or
Multi Function Display BlackBox
MFDBB, TZTBB
iv
EQUIPMENT LISTS
Standard supply
Name Type Code No. Qty Remarks
Radar Sensor XN10A-RSB-118-092 - 1 For DRS4A, w/CP03-32601
XN12A-RSB-118-093 1 For DRS6A, w/CP03-32601
XN12A-RSB-118-094 - 1 For DRS12A, 1255 mm,
w/CP03-32601
XN13A-RSB-118-094 1 For DRS12A, 1795 mm,
w/CP03-32601
XN12A-RSB-118-095 - 1 For DRS25A, 1255 mm, w/CP03-
32601
XN13A-RSB-118-095 - 1 For DRS25A, 1795 mm, w/CP03-
32601
DRS2D - 1 Radome, 2 kW,
w/CP03-32101
DRS4D - 1 Radome, 4 kW,
w/CP03-32101
Power Supply
Unit
PSU-013 - 1 For DRS25A, w/SP03-16101 and
CP03-32700
Installation
Materials
CP03-32101 001-025-270 1 set For DRS2D/4D
CP03-32601 001-025-780 1 set For DRS4A/6A/12A/25A
CP03-32200 000-011-720 1 Two-way cable, MOD-ASW0001-
100+, 10 m, for DRS2D/4D/4A/6A/12A
CP03-32300 000-011-721 Two-way cable, MOD-ASW0001-
150+, 15 m, for DRS2D/4D/4A/6A/12A
CP03-32400 000-011-722 Two-way cable, MOD-ASW0001-
200+, 20 m, for DRS2D/4D/4A/6A/12A
CP03-32500 000-011-723 Two-way cable, MOD-ASW0001-
300+, 30 m, for DRS2D/4D/4A/6A/12A
CP03-32800 000-011-990 Two-way cable, MOD-ASW0002-
100+, 10 m, for DRS25A
CP03-32810 000-011-991 Two-way cable, MOD-ASW0002-
150+, 15 m, for DRS25A
CP03-32820 000-011-992 Two-way cable, MOD-ASW0002-
200+, 20 m, for DRS25A
CP03-32830 000-011-993 Two-way cable, MOD-ASW0002-
300+, 30 m, for DRS25A
v
Optional supply
*: After the wiring, it is required to wind the vinyl tape around the LAN connector to waterproof.
Name Type Code No. Remarks
Power Supply
Unit
PSU-012 -
PSU-017 - For DRS2D/4D
Gasket OP03-203 001-025-290
For DRS2D/4D, φ10 NMEA2000 cable
OP03-205 001-025-790
For DRS4A/6A, φ10 NMEA2000 cable
OP03-206 001-035-290
For DRS25A, φ10 NMEA2000 cable
Resister Assy OP03-204 001-025-300 For NMEA2000 connection with a unit
Radome
Mount
OP03-208 001-078-340 For DRS4D
OP03-209 001-078-350 For DRS2D
Joint Box* TL-CAT-012 000-167-140-10 For LAN cable extension
LAN Cable MOD-Z072-020+ 000-167-175-10 2 m
MOD-Z072-050+ 000-167-176-10 5 m
MOD-Z072-100+ 000-167-177-10 10 m
Cable Assy M12-05BFFM-010 000-167-965-10
NMEA2000, φ6, w/connector, 1 m
M12-05BFFM-020 000-167-966-10
NMEA2000, φ6, w/connector, 2 m
M12-05BFFM-060 000-167-967-10
NMEA2000, φ6, w/connector, 6 m
CB-05BFFM-010 000-167-971-10
NMEA2000, φ10, w/connector, 1 m
CB-05BFFM-020 000-167-972-10
NMEA2000, φ10, w/connector, 2 m
CB-05BFFM-060 000-167-973-10
NMEA2000, φ10, w/connector, 6 m
1
1. MOUNTING
1.1 Mounting Considerations
The radar sensor is generally installed either on top of the wheelhouse or on the radar mast on
a suitable platform. Locate the radar sensor where there is a good all-round view. Any obstruc-
tion will cause shadow and blind sectors. A mast for instance, with a diameter considerably less
than the horizontal beamwidth of the radiator, will cause only a small blind sector, but a horizon-
tal spreader or crosstrees in the same horizontal plane as the radar sensor would be a much
more serious obstruction; you would need to place the radar sensor well above or below it.
It is rarely possible to place the radar sensor where a completely clear view in all directions is
available. Thus, you should determine the angular width and relative bearing of any shadow
sectors for their influence on the radar at the first opportunity after fitting.
A magnetic compass will be affected if the radar sensor is placed too close to it. Observe the
compass safe distances mentioned in the SAFETY INSTRUCTIONS to prevent interference to
a magnetic compass.
Do not paint the radiator aperture and radome to ensure proper emision of the radar waves.
When this radar sensor is to be installed on large vessels, consider the following points:
The two-way cable run between the radar sensor and MFDBB, MFD8, MFD12 or PSU-012
comes in lengths of 10 m, 15 m, 20 m or 30 m.
Deposits and fumes from a funnel or other exhaust vent can adversely affect the aerial per-
formance and hot gases may distort the radiator portion. The radar sensor must not be
mounted where the temperature is more than 55 degrees centigrade.
As shown in the figure below, the radar sensor may be installed on a common mast or on the radar
mast.
For DRS4A/6A/12A/25A
NOTICE
Do not apply paint, anti-corrosive sealant or contact
spray to coating or plastic parts of the equipment.
Those items contain organic solvents that can damage coating and
plastic parts, especially plastic connectors.
(a) Common mast
(b) Radar mast
2
For DRS2D/4D
1.2 Mounting Procedure for DRS2D/4D
1. Remove mounting hardware at the bottom of the radar sensor, four each of hex bolts
(M10x20), spring washers and flat washers. Save the spring washers and flat washers to use
them to fix the radome base to the platform, at step 3. If the thickness of the mounting platform
is 5 mm or less, also save the bolts.
2. Construct a platform (steel or aluminum) 6-10 mm in thickness referring to the outline drawing
at the back of this manual. Fasten the platform to the mounting location. Next, position the
base so the cable entrance is facing the stern.
Note: When drilling holes in the platform, be sure they are parallel with the fore and aft line.
Radar sensor
Radar sensor
Radar sensor
Radar sensor
Screws
(two screws on other side)
Stern
Bow
Cable entry
Hex bolt (M10 x 20)
Spring washer
Flat washer
3
3. Use the hex bolts*, flat washers and spring washers removed at step 1, and fasten the
radome base to the platform. The torque should be between 19.6-24.5N
zm.
*If the thickness of the platform is 6-10 mm, use M10x25 bolts (supplied). For thicker platform, use
locally supplied bolts.
4. Mount the cover tentatively. The cover is opened for wiring at Chapter 2.
1.3 Mounting Procedure for DRS4A/6A/12A/25A
Refer to the outline drawing at the back of this manual, and drill five holes in the mounting platform:
four holes of 15 mm in diameter for fixing the radar sensor and one hole of 25-30 mm in diameter
for the signal cable. The outline drawing shows two cable entrance holes, one on the radar sensor
and one on the rubber mat. Use only the one on the rubber mat.
1.3.1 Fastening the radiator to the radiator bracket
1. Remove the radiator cap from the radiator bracket.
2. Coat the surface of the radiator bracket with silicone sealant as shown in the figure below.
3. Coat threaded holes on the antenna radiator with silicone sealant.
4. Grease the O-ring and set it to the radiator bracket.
Flat
washer
Antenna base
assy.
Spring
washer
Platform
Hex bolt
Apply silicone sealant.
(M10 x 25
or M10 x 20)
Transceiver
module
5 mm or under: M10x20 (local supply)
6-10 mm: M10x25 (supplied)
over 10 mm: locally supplied bolts
As for length, use the bolt
the "L" shown in the figure
in left becomes 10 to 15 mm.
L
RADIATOR BRACKET
(top view)
Coat hatched area with
silicone sealant.
10mm
(Do not coat.)
4
5. Coat the hex bolts (4 pcs.) with silicone sealant. Fasten the antenna radiator to the radiator
bracket with the hex bolts, flat washers and spring washers supplied with the radiator Then,
apply silicone sealant around the junction part between the radiator and bracket.
6. Apply silicone sealant to holes to prevent water ingress.
1.3.2 Mounting the radar sensor
The radar sensor can be mounted using the fixing holes on the outside (200 x 200 mm) or inside
(140 x 150 mm) the radar sensor.
Using outside fixing holes of radar sensor
Use the hex bolts (supplied) to mount the radar sensor as below.
1. Lay the corrosion-proof rubber mat (supplied) on the mounting platform.
Flat washer
Spring washer
Hex bolt
(M8 x 30)
Radiator bracket
Coat bolts with
silicone sealant.
Antenna
radiator
O-ring
Coat threaded
holes with
silicone sealant.
Radiator bracket, bottom view
(four): Holes
where to apply
silicone sealant.
Apply silicone sealant
around the joint part
with the antenna
radiator.
Rubber mat
Ground terminal
Bow mark
5
2. Lay the radar sensor on the mounting platform, orienting it as shown below. (The hinges must
face toward the stern.)
3. Insert four hex bolts (M12 x 60, supplied) and seal washers (φ30, supplied) from the top of the
housing, as shown below.
STERN
BOW
Hinge
CAUTION
Do not lift the radar sensor by the
radiator; lift it by the housing.
The radiator may be damaged.
Hex. bolt
Seal washer
(Face projecting part down.)
Flat washer
Spring washer
Nut
6
4. Pass flat washers (M12, supplied), spring washers (M12, supplied) and nuts (M12, supplied)
onto hex. bolts. Fasten by tightening nuts. Do not fasten by tightening the hex. bolts; seal
washers may be damaged.
5. Coat flat washers, spring washers, nuts and exposed parts of bolts with anticorrosive sealant.
6. Prepare ground point in mounting platform (within 300 mm of ground terminal on radar sen-
sor) using M6 x 25 bolt, nut and flat washer (supplied).
7. Run the ground wire (RW-4747, 340 mm, supplied) between the ground terminal and ground
point.
8. Coat ground terminal and ground point with silicone sealant as shown below.
Antenna
unit
Mounting
platform
Silicone
sealant
Flat washer
Rubber mat
Seal washer
Ground
wire
Hex. bolt
Flat washer
Spring washer
Flat washer
Hex. nut
Silicone
sealant
Hex. nut
Weld here.
Silicone
sealant
Ground
wire
antenna
unit
OR
Flat washer
Spring washer
Ground
wire
GROUND
TERMINAL
GROUND
POINT
Hex. nut
7
Using inside fixing holes of the sensor housing
If this radar is replacing a FURUNO radar whose mounting dimensions are the same as this one
(140 x 150 mm), it may be possible to use its mounting platform. This method requires removal of
the RF unit from the radar sensor to access inside fixing holes. Use hex bolts, flat washers, spring
washers and nuts (local supply) to mount the radar sensor.
1. Unfasten four bolts from the cover to open the radar sensor.
2. Unplug the PCS connector from RF unit.
3. Separate upper chassis from lower chassis by removing two bolts (M8x25).
4. Remove RF unit by unfastening two hex bolts and two fixing bolt.
For DRS12A/25A, unfasten four hex bolts, not two fixing bolts, to remove the RF unit.
5. Lay the corrosion-proof rubber mat (supplied) on the mounting platform.
6. Fasten the lower chassis to the mounting platform with hex bolts, spring washers, flat washers
and nuts (local supply), and then coat flat washers, nuts and exposed parts of bolts with sili-
cone sealant. Cut a slit in the rubber bushing and insert bolt into the bushing. Do not use seal
washers.
7. Remount RF unit.
8. Coat outside fixing holes with silicone sealant and then attach caps (supplied) to holes.
9. Do steps 6-8 on page 6.
Bolt
M8x25,
2 pcs.
Inside fixing holes
RF unit
Upper chassis
PCS connector
Hex bolt
2 pcs.
Fixing bolt
(2 pcs.)
Lower chassis
(Example: DRS4A/6A)
8
1.4 Mounting of Power Supply Unit
1.4.1 PSU-013 (for DRS25A)/PSU-012 (Option)
For combinations shown below, the optional power supply unit PSU-012 or PSU-017 is necessary.
The PSU-013 is required for any DRS25A installation
*: The power supply unit is shipped with 15A fuse. Replace fuse with 10A when using the unit with
24V ship’s battery.
*: The PSU-017 is available in the combination of DRS2D/4D and TZT9/14/BB. See section 1.4.2.
Contents of PSU-012/013
Name Type Code No. Qty Remarks
Power supply unit PSU-012 - 1
PSU-013 - For DRS25A
Cable assy VL3P-VV-S2X2C-AA050 000-152-217-11 1 5 m
LAN cable MOD-Z072-050+ 000-167-176-10 1 5 m, standard
Self-tapping screw 4x20, SUS304 000-158-850-10 4
Fuse* FGB0 250V 10A 000-155-839-10 2 For 24 VDC
FGB0 250V 15A 000-157-874-10 2 For 12 VDC
XH Connector Assembly 03-2345(2P) 001-183-760-00 1 For TZT9/14/BB
MFD8
MFD12
MFDBB
DRS2D/4D DRS4A
DRS6A
DRS12A
NO
NO
NO
NO
NO
NO
NO
PSU-012
NO
TZT9
TZT14
PSU-012
PSU-012
PSU-012
PSU-012
PSU-012
PSU-012
PSU-012
PSU-012
PSU-012
PSU-012 or PSU-017*
PSU-012 or PSU-017*
TZTBB
PSU-012 or PSU-017* PSU-012 PSU-012 PSU-012
9
Mounting
When selecting a location, keep in mind the following points. Fix the power supply unit on the
desktop or bulkhead with four self-tapping screws (4x20, supplied).
Location is dry, well ventilated.
Make sufficient maintenance space.
Installed within 2, 5 or 10 m (2 and 10 m: optional supply) from the multi function display.
Note: When you install the unit on the bulkhead, fix the unit with the following direction.
Self-tapping screw
(4x20, 4 pcs.)
UP
10
1.4.2 PSU-017 (option)
A power supply unit is required when you connect a radar sensor. The PSU-017 is available in the
combination of DRS2D/4D and TZT9/14/BB. Use the PSU-012 or PSU-013 in all other combina-
tions.
Note: When the fuse in this unit blows, the LED does not light. At this time, the PSU-017 can not
output 48 VDC, but high voltage is still present inside. Turn off the unit from the ship’s mains to
service the unit.
Contents of PSU-017
Mounting
When selecting a location, keep in mind the following points. Fix the power supply unit on the
desktop or bulkhead with four tapping screws (4x20, supplied).
Location is dry, well ventilated.
Make sufficient maintenance space.
A disconnecting device (breaker, etc.) is required when the power cable is connected to ship’s
mains.
Name Type Code No. Qty Remarks
Power supply unit PSU-017 - 1
Self-tapping screw 4x20, SUS304 000-158-850-10 4
Fuse FGMB 125V 7A PBF 000-157-493-10 1 For the replacement
FGMB 125V 1.5A PBF 000-157-464-10 1
Power cable (5 m):
The power cable is preattached to
the unit.
LED for the operation check:
Lights in green when the unit
outputs 48 VDC.
11
2. WIRING
The MFDBB, MFD8, MFD12, PSU-012 or PSU-017 connects to the radar sensor with the two-way
cable MOD-ASW0001 (MOD-ASW0002 for DRS25A). In order to minimize the chance of picking
up electrical interference, avoid where possible routing the two-way cable near other onboard
electrical equipment. After passing the cable through the hole in the radar sensor, apply sealing
compound around the hole for waterproofing. When connecting to other NMEA2000 equipment,
use the optional cable M12-05BFFM 6) or CB-05BFFM (φ10).
Note: When TZT9/14/BB is connected to the radar sensor, confirm that the program ver-
sion of the radar sensor is 0359235-01.16 or higher.
Wiring for DRS2D/4D/4A/6A/12A without PSU-012
NOTICE
Before connecting or disconnecting the
NMEA2000 cable, turn off the radar sensor.
The sensor may become damaged if the power is
not turned off.
RADAR SENSOR
DRS4A/DRS6A/DRS12A
NMEA2000
Equipment
: Standard Supply
: Optional Supply
NMEA2000
Equipment
RADAR SENSOR
DRS2D/DRS4D
To Multi Function Display BlackBox
MFDBB or Multi Function Display
MFD8/12
Two-way cable
MOD-ASW0001
(10/15/20/30 m)
NMEA2000 cable
M12-05BFFM (φ6) or
CB-05BFFM (φ10)
NMEA2000 cable
M12-05BFFM (φ6) or
CB-05BFFM (φ10)
12
Wiring for DRS2D/4D/4A/6A/12A with PSU-012
Wiring for DRS2D/4D with PSU-017
Radar Sensor
DRS4A/DRS6A/DRS12A
NMEA2000
Equipment
: Standard Supply
: Optional Supply
: Local Supply
NMEA2000
Equipment
Radar Sensor
DRS2D/DRS4D
To Multi Function Display BlackBox
MFDBB/TZTBB or Multi Function Display
MFD8/12, TZT9/14
Two-way cable
MOD-ASW0001
(10/15/20/30 m)
NMEA2000 cable
M12-05BFFM (ø6) or
CB-05BFFM (ø10)
NMEA2000 cable
M12-05BFFM (ø6) or
CB-05BFFM (ø10)
LAN cable
MOD-WPAS0001-030+
Power cable
VL3P-VV-S2X2C-AA050
(supplied with PSU-012)
12-24 VDC
To ship's ground
Ground wire
(Local supply, IV-2sq)
Power Supply Unit
PSU-012
(Power)
(LAN)
3 m: supplied with
MFD8/12/BB, TZT9/14/BB
Power cable*
(The input voltage range at the edge of the power cable:
10.8 to 31.2 VDC.)
*The power cable is supplied with attached to the unit. When connecting the power cable to ship’s mains,
pass through the disconnecting device (breaker, etc.).
Radar Sensor
DRS2D/DRS4D
: Standard Supply
: Optional Supply
: Local Supply
NMEA2000
Equipment
NMEA2000 cable
M12-05BFFM (ø6) or
CB-05BFFM (ø10)
LAN cable
Two-way cable
MOD-ASW0001
(10/15/20/30 m)
12-24 VDC
Ground wire
(Local supply, IV-2sq)
To ship's ground
Power Supply Unit
PSU-017
To Multi Function Display BlackBox
TZTBB or Multi Function Display
TZT9/14
13
Wiring for DRS25A
: Standard Supply
: Optional Supply
: Local Supply
Two-way cable
MOD-ASW0002 cable
(10/15/20/30 m)
12-24 VDC
RADAR SENSOR
DRS25A
NMEA2000
Equipment
NMEA2000 cable
M12-05BFFM (ø6) or
CB-05BFFM (ø10)
Ground wire
(Local supply, IV-2sq)
LAN cable
MOD-2072-050
To ship's ground
(POWER)
(LAN)
Power Supply Unit
PSU-013
Power cable
VL3P-VV-S2X2C-AA050
(Supplied with PSU-013)
To Multi Function Display BlackBox
MFDBB/TZTBB or Multi Function Display
MFD8/12, TZT9/14
14
How to terminate of NMEA2000 connection
When connecting the radar sensor and an NMEA2000 equipment using the optional cable M12-
05BFFM (
φ6) or CB-05BFFM (φ10), attach the terminator (supplied as installation materials) to the
NMEA connector in the radar sensor.
1. Twist the lead wire of the resistor assembly to the cable M12-05BFFM (
φ6) or CB-05BFFM
(
φ10), and solder them as below.
2. Connect wires to the NMEA connector consulting the label on the connector.
Note: This fabrication is not necessary when the external terminators are attached as below.
Resistor assembly
(120 OHM-1007#24-L50)
Twisting and
soldering
White
Blue
NMEA2000 cable
NMEA2000 connector
(in the sensor)
Backbone cable
External
terminator 1
External
terminator 2
NMEA2000
equipment
DRS4A/DRS6A/DRS12A
DRS2D/DRS4D
or
17
3. Insert wires of cable M12-05BFFM (φ6) or CB-05BFFM (φ10) to the NMEA connector inside the
radar sensor, consulting the label on the connector for location. As for shield, use the cable
clamp shown below.
Cable M12-05BFFM (φ6) CB-05BFFM (φ10)
Clamp
Use the clamp pre-attached inside the radar
sensor.
Use the clamp supplied with the optional gasket
(Type: OP03-203,
Code No.: 001-025-290)
15
5
CB-05BFFM cable
370
CB-05BFFM cable
20
65
15 (Area fastened with the cable clamp)
Wind vinyl tape.
(supplied)
Fabrication of CB-05BFFM cable
Fasten the cable tie (supplied) within
15 mm from the end of vinyl sheath.
Shield
Zoom up
Attach the cable clamp
using this screw for CB-
05BFFM cable. (Face
projecting part down.)
Cable clamp
Location of the cable clamp
18
4. Push LAN and POWER cables of the two-way cable and cable M12-05BFFM (φ6) or CB-
05BFFM (φ10)
into the slits of the gasket inside the mounting base. Depending on the
NMEA2000 cable used, replace the gasket as shown below.
Note: The ends of the gasket are different. Larger end should be up)
5. Slide the gasket on cables so that the amount of cable above the gasket is lower than the RF
chassis.
Note: If the two-way cable touches the platform near the radar sensor base, wind vinyl tape
around the cable at the point where is bent.
6. Confirm that the rubber gasket is properly positioned and that the triangle mark on the cover is
aligned with the triangle mark on the mounting base, then tighten the fixing screws for the
cover.
Cable type M12-05BFFM (φ6) CB-05BFFM (φ10)
Gasket Use the gasket supplied in the plastic
bag inside the radar sensor.
Use the optional gasket. (Type: OP03-203,
Code No.: 001-025-290)
Up
Large
Small
This height should
be lower than the RF
unit when attaching to
the bottom of the sensor.
Gasket
RF unit
RF unit
Gasket
Cable
19
2.2 Wiring inside DRS4A/6A/12A/25A
Two-way cable connection
If you have no NMEA2000 equipment to connect, use the MOD-ASW0001 cable (standard sup-
ply).
1. Open the radar sensor cover by loosening four bolts, and fix the stay for safety purpose.
2. Unfasten four bolts to detach the plate, gasket, washer and lid. Discard the lid at the bottom of
the hole for the gasket.
3. Pass the two-way cable MOD-ASW0001 (MOD-ASW0002 for DRS25A) through the bottom of
the chassis and washer.
4. Fasten the shield of the power cable of the two-way cable (part of the foil) with the cable
clamp in the radar sensor, and then connect the power cable to the power terminal as shown
on next page.
Gasket
Washe
r
Lid
Stay
Plate
20
5. Attach the LAN cable of the two-way cable to the LAN terminal in the radar sensor.
DRS4A/6A/12A
DRS25A
6. Refer to the illustration shown below, and attach the gasket to the two-way cable, inserting the
cable into the slits on the gasket.
Fix the power cable at the foil part
with this cable clamp.
Power terminal
LAN terminal
Power cable
LAN cable
Black
White
RF unit
Fix the power cable at the copper
foil part with this cable clamp.
Power terminal
Gasket
LAN terminal
White
Black
LAN cable
Blue
Red
Power cable
21
7. Slide the gasket on cables so that the amount of cable above the gasket is lower than the RF
chassis.
8. Push the gasket and washers into the hole at the bottom of the radar sensor, then fasten four
pan head screws to fix the plate to the sensor.
9. Release the stay and close the cover.
Note: When closing the cover, set the gaskets to grooves in the bottom chassis, then tighten bolts.
Connecting to NMEA2000 equipment
To connect NMEA2000 equipment to the sensor, use an optional NMEA2000 cable, M12-05BFFM
(φ6)
or CB-05BFFM (φ10). Also, the gasket at the bottom of the antenna sensor must be replaced.
1. Do steps 1 to 5 on pages 19 and 20.
2. Fabricate the cable
M12-05BFFM (φ6) or CB-05BFFM (φ10) as shown below.
3. Pass the cable through the bottom of the chassis.
4. Insert wires of the cable
M12-05BFFM (φ6) or CB-05BFFM (φ10) to the NMEA connector inside
the radar sensor, consulting the label on the connector for location. As for drain wire, attach
This height should be lower than the
RF unit when installed to the bottom
of the sensor.
Gasket
Washers
RF unit
Gasket
Cable
BOTTOM
CHASSIS
GASKET
GROOVE
HEX BOLT
Torque : 9.8 ±0.1 N m
.
95
5
Drain wire
Cable M12-05BFFM
or CB-05BFFM
22
the crimp-on lug (pre-attached at the bottom of the chassis) to the drain wire, and fasten it with
the screw shown below.
5. Depending on the NMEA2000 used, replace the gasket as shown below.
DRS4A/6A/12A
DRS25A
6. Refer to the illustration shown on next page, and attach the gasket to the two-way cable
inserting the cable into the slits on the gasket.
7. Slide the gasket on cables so that the amount of cable above the gasket is lower than the RF
chassis.
8. Do steps 8 and 9 on the previous page.
Cable type M12-05BFFM (φ6) CB-05BFFM (φ10)
Gasket Use the gasket supplied in the plastic
bag inside the radar sensor.
Use the optional gasket. (Type: OP03-205,
Code No.: 001-025-790)
Cable type M12-05BFFM (φ6) CB-05BFFM (φ10)
Gasket Use the gasket supplied in the plastic
bag inside the radar sensor.
Use the optional gasket. (Type: OP03-206,
Code No.: 001-035-290)
NMEA connector
Fasten the drain wire with this screw.
A
A
view
NMEA cable
NMEA connector
Drain wire
Crimp-on lug
RF unit
This height should be lower than the
RF unit when installed to the bottom
of the sensor.
Washer
Gasket
RF uni
t
Gasket
Cable
23
2.3 Wiring of Power Supply Unit
2.3.1 Wiring inside power supply unit PSU-013 (for DRS25A)
1. Detach the body cover by hand.
2. Loosen six pan head screws (M3x8) and slide the shield cover upward to remove it.
3. Unfasten four pan head screws (M14x10) to remove two cable clamps.
4. Connect the VL3P-VV-S2X2C-AA050 and MOD-ASW0002 cables (supplied) to appropriate
connectors in the power supply unit as shown below.
Note: W
hen the power supply unit is connected to TZT9/14/BB, attach the XH
Connector Asembly (supplied with PSU-013) to J7 on the PWR board. For
details, see "How to connect TZT9/14/BB" (supplied with PSU-013).
5. Remove two cable clamps, shield cover and body cover in that order.
6. Connect other cables.
Body cover
Shield cover
Pan head screws
(M3x8, 6 pcs.)
Pan head screws
(M4x10, 4 pcs.)
Cable clamps
VL3P-VV-S2X2C-AA050 cable MOD-ASW0002 cable
(Power)
White
Black
3: Blue
2: Black
1: White
1: Red
2: N. C.
J7
24
2.3.2 Wiring inside power supply unit PSU-012 (Option)
1. Detach the body cover by hand.
2. Loosen six pan head screws (M3x8) and slide the shield cover upward to remove it.
3. Unfasten two pan head screws (M4x12) to remove the cable clamp.
4. Connect the cable VL3P-VV-S2X2C-AA050 (supplied) to the power connector in the PSU-
012.
Note:
When the power supply unit is connected to TZT9/14/BB, attach the XH
Connector Assembly (supplied with PSU-012) to J7 on the PWR board. For
details, see "How to connect TZT9/14/BB" (supplied with PSU-012).
5. Remount the cable clamp, shield cover and body cover in that order.
6. Connect other cables.
Body cover
Shield cover
Pan head screw
(M3x8, 6 pcs.)
Pan head screw
(M4x12, 2 pcs.)
Cable clamp
For white wire
For black wire
Put the cable VL3P-VV-S2X2C-AA050 here at the shield part.
J7
25
2.3.3 Wiring the power supply unit PSU-017 (option, for DRS2D/4D)
Connect the power cable and MOD-ASW0001 cables to appropriate connectors of the power sup-
ply unit as shown below. When you connect the power cable to ship’s mains, pass through the
disconnecting device (breaker, etc.).
Replacement of the fuse
1. Remove four self-tapping screws (4x20) to dismount the unit.
2. Remove four screws (M3x8) at the back of the unit to remove the base.
To ship’s mains (12-24 VDC)*
2
MOD-ASW0001 cable
To radar sensor DRS2D/4D
Power cable*
1
*
2
: Be sure to pass through a disconnecting device (breaker, etc.).
*
1
: Input voltage range at the edge of the power cable: 10.8 to 31.2 VDC.
Screws (M3x8)
Base
Waterproofing gasket
26
3. Confirm that the LED on the board is OFF, and then replace the fuse.
Note: DO NOT change the fuse if the LED is ON; this indicates high voltage is present.
4. Reattach the base and install the unit.
Note: Before fixing the base, make sure the waterproofing gasket is correctly seated in the groove
in the chassis.
J1
1: Brown (P48V)
2: Red (DC_N)
TB1
1: White (DC_P)
2: Black (DC_N)
LED
Fuse F2 (1.5A 125V)
Fuse F1 (7A 125V)
Waterproofing gasket
Groove in chassis
FURUNO
DRS SERIES
SP - 1 E3567S01A-M
SPECIFICATIONS OF RADAR SENSOR
DRS SERIES
1 RADIATOR
1.1 Antenna type
DRS2D/4D Patched waveguide array antenna
DRS4A/6A/12A/25A Slotted waveguide array antenna
1.2 Antenna length
DRS2D 19-inch
DRS4D 24-inch
DRS4A 3.4 ft
DRS6A 4 ft
DRS12A/25A 4 ft (XN12A), 6 ft (XN13A)
1.3 Horizontal beam width (3 dB)
DRS2D 5.2°
DRS4D 4.0°
DRS4A 2.3°
DRS6A 1.9°
DRS12A/25A 1.9° (XN12A), 1.4° (XN13A)
1.4 Vertical beam width (3 dB)
DRS2D/4D 25°
DRS4A/6A/12A/25A 22°
1.5 Gain
DRS2D 21.5dBi
DRS4D 23.0dBi
DRS4A 27.5dBi
DRS6A 28.5dBi
DRS12A/25A 28.5dBi (XN12A), 30dBi (XN13A)
1.6 Sidelobe attenuation
DRS2D -24 dB (within ±20°), -26 dB (±20° or more)
DRS4D -25 dB (within ±20°), -27 dB (±20° or more)
DRS4A -20 dB (within ±20°), -28 dB (±20° or more)
DRS6A/12A/25A -27 dB (within ±10°), -28 dB (±10° or more)
1.7 Rotation 24/36/48 rpm
2 RADAR FUNCTION
2.1 TX frequency 9410±30 MHz, P0N
2.2 Output power (nominal) DRS2D: 2.2 kW, DRS4D/4A: 4 kW, DRS6A: 6 kW, DRS12A: 12 kW
DRS25A: 25 kW
2.3 Duplexer Ferrite circulator with diode limiter
2.4 Intermediate frequency 60 MHz
2.5 Range, Pulse length and Pulse Repetition Rate (PRR)
Range (nm)
Pulse length (μs)
PRR (Hz approx.)
0.125 to 1.5 0.08 3000
1.5 to 3 0.3 1500
3 to 24 0.5 1000
12 to 48 0.7 600
32 to 64 (72/96) 0.8 600 (550)
FURUNO
DRS SERIES
SP - 2 E3567S01A-M
2.6 Maximum range DRS2D: 24 NM, DRS4D: 36 NM, DRS4A: 48 NM, DRS6A: 64 NM,
DSR12A: 72 NM, DRS25A: 96 NM
2.7 Minimum range 25 m
2.8 Range resolution 20 m
2.9 Bearing resolution DRS2D: 5.2°, DRS4D: 4°, DRS4A: 2.3°, DRS6A: 1.9°,
DRS12A/25A: 1.9° (XN12A) or 1.4° (XN13A)
2.10 Bearing accuracy ±1°
2.11 Range accuracy 0.9% of range in use or 8 m, whichever is the greater
3 POWER SUPPLY
3.1 Radar sensor 48 VDC, supplied by Multi-function display, w/o CAN bus load
DRS2D: 0.4 A, DRS4D: 0.5 A, DRS4A: 1 A, DRS6A: 1.4 A
DRS12A: 1.3 A
3.2 Radar sensor w/ power supply unit
DRS25A + PSU-013 12-24 VDC: 10.2-4.7 A (12.0-5.6 A: wind speed 70kt)
3.3 Power supply unit (option) set (unit: A, 12-24 VDC, ( ): wind speed 70kt)
Model DRS2D DRS4D DRS4A DRS6A, DRS12A
PSU-012
3.8-1.9 A 4.1-2.0
5.0-2.8
(6.2-3.0)
8.0-3.8
(8.5-4.1)
7.8-3.7
(9.8-4.7)
PSU-017 3.6-1.7 A 4.0-1.9
4 ENVIRONMENTAL CONDITION
4.1 Ambient temperature -30°C to +55°C (storage: +70°C or less)
4.2 Relative humidity 95% at 40°C
4.3 Degree of protection
Radar sensor IP26
Power supply unit PSU-012/013: IPX0, PSU-017: IP25
4.4 Vibration IEC 60945
5 COATING COLOR
5.1 Radar sensor N9.5
5.2 Power supply unit N2.5
6 COMPASS SAFE DISTANCE
6.1 Radar sensor
DRS2D Standard: 1.35 m, Steering: 0.80 m
DRS4D Standard: 1.40 m, Steering: 0.85 m
DRS4A Standard: 0.80 m, Steering: 0.50 m
DRS6A Standard: 0.85 m, Steering: 0.55 m
DRS12A Standard: 1.15 m, Steering: 0.70 m
DRS25A Standard: 1.00 m, Steering: 0.60 m
6.2 Power supply unit
PSU-012/013/017 Standard: 0.30 m, Steering: 0.30 m
7


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