Furuno DRS6A, DRS4D, DRS2D, DRS12A, DRS25A User Manual
...
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 PSU-013 (for DRS25A)/PSU-012 (Option) ................8
2. WIRING .................................................................................................. 9
2.1 Wiring inside DRS2D/4D ............................................................................................ 12
2.2 Wiring inside DRS4A/6A/12A/25A .............................................................................. 16
2.3 Wiring inside Power Supply Unit PSU-013 (for DRS25A) ..........................................20
2.4 Wiring inside Power Supply Unit PSU-012 (Option)...................................................21
PACKING LISTS...................................................................................... A-1
OUTLINE DRAWINGS............................................................................. D-1
INTERCONNECTION DIAGRAMS.......................................................... S-1
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SAFETY INSTRUCTIONS
WARNING
Do not open the equipment unless
totally familiar with electrical circuits
and service manual.
Only qualified personnel should work
inside the equipment.
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.
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.
CAUTION
Ground the equipment to prevent
electrical shock and mutual
interference.
WARNING
Radio Frequency Radiation Hazard
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
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.
Model
DRS4A
DRS6A
DRS12A (XN12A)
DRS12A (XN13A)
DRS25A (XN12A)
DRS25A (XN13A)
DRS2D
DRS4D
2
exist are given in the
Distance to
100 W/m
2
Nil
Nil
0.20 m
0.20 m
0.50 m
0.40 m
Nil
0.10 m
point
Distance to
10 W/m
2
1.20 m
1.20 m
2.40 m
1.90 m
5.30 m
4.40 m
0.40 m
1.40 m
point
Observe the following compass safe
distance to prevent deviation of a ma
gnetic compass.
Model
DRS4A
DRS6A
DRS12A
DRS25A
DRS2D
DRS4D
PSU-012
PSU-013
Standard
0.80 m
0.85 m
1.15 m
1.00 m
1.35 m
1.40 m
0.30 m
0.30 m
Steering
0.50 m
0.55 m
0.70 m
0.60 m
0.80 m
0.85 m
0.30 m
0.30 m
i
SYSTEM CONFIGURATION
DRS2D/4D/4A/6A/12A
RADAR SENSOR
DRS2D/DRS4D
NMEA 2000
Equipment
RADAR SENSOR
DRS4A/DRS6A/DRS12A
Power Supply Unit
PSU-012*
NMEA 2000
Equipment
Multi Function Display BlackBox
MFDBB
*The power supply unit PSU-012 is necessary in the combination of radar sensor and MFD.
MFD8
MFD12
MFDBB
DRS2D/4D
NO
NO
NO
OR
RECTIFIER
RU-1746B
12-24 VDC
DRS4A DRS6A
YES
NO
NO
100/110/220/230 VA C
YES
NO
NO
12-24 VDC
Multi Function Display
MFD8/12
: Standard Supply
: Optional Supply
: Local Supply
DRS12A (future development)
YES
YES
NO
ii
DRS25A
RADAR SENSOR
12-24 VDC
DRS25A
NMEA 2000
Equipment
Power Supply Unit
PSU-013
Multi Function
Display BlackBox
MFDBB
: Standard Supply
: Optional Supply
: Local Supply
OR
12-24 VDC
Multi Function Display
MFD8/12
RECTIFIER
RU-1746B
100/110/220/230 V AC
iii
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
Power Supply
Unit
Installation
Materials
DRS4D - 1 Radome, 4 kW,
w/CP03-32101
PSU-013 - 1 For DRS25A, w/SP03-16101 and
CP03-32700
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
iv
Optional supply
Name Type Code No. Qty Remarks
Power Supply
Unit
Gasket OP03-203 001-025-290 1
Resister Assy OP03-204 001-025-300 1 For NMEA2000 connection with a unit
Joint Box TL-CAT-012 000-167-140-10 1 For LAN cable extension
LAN Cable MOD-Z072-020+ 000-167-175-10 1 2 m
Cable Assy M12-05BFFM-010 000-167-965-10 1
PSU-012 - 1 set
For DRS2D/4D, φ10 NMEA2000
cable
OP03-205 001-025-790
OP03-206 001-035-290
MOD-Z072-050+ 000-167-176-10 1 5 m
MOD-Z072-100+ 000-167-177-10 1 10 m
M12-05BFFM-020 000-167-966-10 1
M12-05BFFM-060 000-167-967-10 1
For DRS4A/6A, φ10 NMEA2000
cable
For DRS25A, φ10 NMEA2000 cable
NMEA2000, φ6, w/connector, 1 m
NMEA2000, φ6, w/connector, 2 m
NMEA2000, φ6, w/connector, 6 m
CB-05BFFM-010 000-167-971-10 1
CB-05BFFM-020 000-167-972-10 1
CB-05BFFM-060 000-167-973-10 1
NMEA2000, φ10, w/connector, 1 m
NMEA2000, φ10, w/connector, 2 m
NMEA2000, φ10, w/connector, 6 m
v
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 obstruction 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 horizontal 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
• Deposits and fumes from a funnel or other exhaust vent can adversely affect the aerial performance 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.
(a) Common mast
or 30 m.
(b) Radar mast
For DRS4A/6A/12A
1
Radar sensor
Radar sensor
Radar sensor
Radar sensor
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.
Screws
(two screws on other side)
Stern
Cable entry
Flat washer
Spring washer
Hex bolt (M10 x 20)
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.
Bow
2
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.
Transceiver
module
Antenna base
assy.
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.
Platform
Apply silicone sealant.
Flat
washer
Spring
washer
L
Hex bolt
(M10 x 25
or M10 x 20)
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.
RADIATOR BRACKET
(top view)
10mm
(Do not coat.)
Coat hatched area with
silicone sealant.
3. Coat threaded holes on the antenna radiator with silicone sealant.
4. Grease the O-ring and set it to the radiator bracket.
3
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.
Antenna
radiator
Coat threaded
holes with silicone
O-ring
Radiator bracket
Flat washer
Spring washer
Hex bolt
(M8 x 30)
sealant.
Coat bolts with
silicone sealant.
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.
Rubber mat
Ground terminal
Bow mark
4
2. Lay the radar sensor on the mounting platform, orienting it as shown below. (The hinges must
CAUTION
face toward the stern.)
BOW
STERN
Hinge
Do not lift the radar sensor by the
radiator; lift it by the housing.
The radiator may be damaged.
3. Insert four hex bolts (M12 x 60, supplied) and seal washers (φ30, supplied) from the top of the
housing, as shown below.
Hex. bolt
Seal washer
(Face projecting part down.)
Flat washer
Spring washer
Nut
5
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.
Seal washer
Antenna
Rubber mat
Flat washer
unit
Mounting
platform
Silicone
sealant
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 sensor) 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.
Hex. bolt
Flat washer
Ground
wire
Silicone
sealant
Ground
wire
OR
Flat washer
Spring washer
Hex. nut
GROUND
POINT
Hex. nut
Spring washer
Flat washer
Hex. nut
GROUND
TERMINAL
Weld here.
Silicone
sealant
Ground
wire
antenna
unit
6
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.
Upper chassis
Bolt
M8x25,
2 pcs.
RF unit
PCS connector
Hex bolt
2 pcs.
Fixing bolt
(2 pcs.)
Inside fixing holes
(Example: DRS4A/6A)
Lower chassis
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 silicone 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.
7
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