Furuno Sc 50 User manual

Catalogue No. N-859
R
R
TRADE MARK REGISTERED
MARCA REGISTRADA
Revolutionary heading sensor
SATELLITE COMPASS
Model SC-50
The future today with FURUNO's electronics technology.
FURUNO ELECTRIC CO., LTD.
9-52 Ashihara-cho, Nishinomiya City, Japan Phone: [phone]
Fax: [phone], 66-4622 URL: www.furuno.co.jp

The SC-50 is a new satellite compass that uses Furuno’s
advanced GPS technology. This satellite compass can be
used for a wide range of applications for any type of
vessel. Radar/ARPA, AIS, ECDIS, Scanning Sonar and
Autopilots can utilize the functions of this compass.
The SC-50 uses GPS carrier frequency to determine
heading and is not affected by ship's speed, latitude,
geomagnetism, etc. Settling time is nearly instantaneous
and the follow-up performance is excellent, achieving
45°/s (SOLAS HSC Code requires 20°/s as a minimum).
The SC-50 delivers GPS positioning, SOG (Speed Over
Ground), COG (Course Over Ground) and ROT (Rate of
Turn). SOG is remarkably accurate through decoding the
Doppler shift in the received satellite signals. The
information can be output in IEC61162-2 format at the
high update rate up to 38.4 kbps to satisfy the high speed
data-output requirements in special applications.
Precision roll and pitch data is output in both analog and
digital formats to external equipment. For sonar or echo
sounders, the SC-50 offers stable echo pictures by
compensating the transmitted/received beams even in
rough seas. Thus, the SC-50 can also function as a
highly accurate motion sensor.
The SC-50 has a unique Set and Drift mode. When
connected with a water-tracking speed log, such as
the DS-80, it calculates set and drift (tide direction and
speed) in the mode. The display helps a radar operator
manually enter set and drift for the accurate sea
stabilization pictures.
The SC-50 consists of Antenna Unit, Display Unit and
Processor Unit. The stylish radome antenna
accommodates three GPS antennas. The tri-antenna
system helps reduce the influence of vessels’ motions
more than dual-antenna system.
Furuno’s advanced GPS technology ensures
data for AIS, ECDIS, Radar/ARPA and more.
Compass Rose Mode
■Provides highly accurate heading data
for autopilot, radar, AIS, Sonar and
plotting systems
■IMO MSC.116(73) type approved as a
verified THD (Transmitting Heading
Device)
■Rapid 45°/s follow-up rate greatly
exceeds IMO High Speed Craft
requirements 20°/s
■High accurate GPS, WAAS Data - SOG,
COG, ROT, and L/L
■Precision Pitch/Roll Data in Analog and
Digital formats for vessel stabilizers,
sonar, etc..
■Multiple High Speed Heading Data
Output in IEC 61162-1/2 (NMEA0183/HS)
■High Contrast 4.5" Silver Bright LCD
■100% free of yearly or regular
maintenance - No Recurring Costs
■Unique Tri-Antenna System improves
system accuracy and reduces the
effects of yaw, pitch and roll
Processor Unit

Heading
Antenna A1
Antenna A2
Antenna A3
Difference between the
range from satellite to
antenna 1 and the range
to antenna 2.
Fore-and-aft line
Vector to decide heading
North
Principle
s highly accurate heading
With the SC-50, a ship's heading is determined by decoding
the phase data in the GPS carrier frequency.
In principle, a pair of antennas A1(ref) and A2(fore), each
connected with an associated GPS engine and processor, are
installed along the ship's fore-aft line. The GPS systems at A1
and A2 calculate the range and azimuth
to the satellite.
The difference in range between A1 and A2 is ∆λ + nλwhere λ
is 19 cm and n* is automatically found during
the initialization stage. A fraction of a carrier wavelength, ∆λ, is
processed by Furuno's advanced kinematic technology in
geographical survey, thus determining a vector (range and
orientation) A1 to A2, i.e., heading of ship relative to north.
In reality, the third antenna is added to reduce the influence of
pitch, roll and yaw, and five satellites are used to process 3D
data (by 3rd sat), to reduce clock derived error (by 4th sat),
and to calculate n in initial stage (by 5th sat).
If the GPS signal is blocked by a tall building or under a
bridge, the 3-axis vibrating-gyro rate sensors in
the processor unit take the place of the satellite until all
five satellites are in view. The rate sensors also contribute to
regulating the heading data against pitch, roll and yaw
together with the third antenna (A3 in the illustration).
*Ambiguity "n" is resolved by LAMBDA algorithm developed by Prof.
Teussen, Delft University of Technology, The Netherlands.
Heading Mode ROT Mode
Set & Drift Mode
Steering Mode
(Current (Set and Drift) and Distance Run is selectable.)
NAV Data Mode

240 9.5"
160
6.3"
62
2.4"
160 6.3"
100 3.9"
150
5.9"
650 25.6"
240 9.5"
4-M10
1. Accuracy
Heading ±1.0° (95% static accuracy)
(IMO THD MSC.116(73) static accuracy:
±1.0° x secant Lat.)
GPS Fix 10 m (95%)
DGPS Fix 5 m (95%)
WAAS Fix 3 m (95%)
2. Follow-up 45°/s rate-of-turn
3. Settling time 3 min
4. Interface
Number of ports
10 ports* 5 ports in AD-10 or
10 ports in IEC 61162-1/-2
* can be utilized in menu selection
1 port AD-10 only
Serial data sentence
25, 100, 200 ms, 1, 2 s data rate:
HDT, HDM(Heading), ROT(Rate of turn)
ATT(Pitch and Roll)
1, 2 s data rate: VHW(Heading), VTG, VBW(SOG),
GGA, GLL, GNS(L/L), ZDA(UTC),
VDR( Set and Drift)
Log Output 1 port: 200/400 p/nm (closure)
Alarm Output 1 port: Alarm signal (closure signal)
Heading Input 1 port: Backup Heading
(AD-10/IEC 61162-1)
HDT, HDG, HDM, VBW, VHW, VLW
DGPS Input 1 port: RTCM SC-104 format
5. Receiver Type Twelve discrete channels.
C/A code, all-in-view
6. Receive Freq L1 (1575.42 MHz)
7. Display Unit Monochrome LCD, 4.5" diagonal
95 (W) x 60 (H)mm, 120 x 64 pixels
8. Display Mode Steering, Nav Data, Compass Rose,
ROT, Heading and Set and Drift modes
POWER SUPPLY 12-24 VDC, 15 W
ENVIRONMENTAL
IEC 60945 for EMC, Vibration, Temperature
EQUIPMENT LIST
Standard
1. Display Unit SC-502 1 unit
2. Antenna Unit SC-303 with 15 m cable 1 unit
3. Processor Unit SC-501 1 unit
Option
1. Antenna Cable, 30 m CP20-01700, 50 m CP20-01710
2. Flush Mount Kit S type CP20-17, F type CP20-29
04032/5KS Printed in Japan
FURUNO U.S.A., INC.
Camas, Washington, U.S.A.
Phone: [phone] Telefax: [phone]
FURUNO (UK) LIMITED
Denmead, Hampshire, U.K.
Phone: [phone] Telefax: [phone]
FURUNO FRANCE S.A.
Bordeaux-Mérignac, France
Phone: [phone] Telefax: [phone]
FURUNO ESPANA S.A.
Madrid, Spain
Phone: [phone] Telefax: [phone]
FURUNO DANMARK AS
Hvidovre, Denmark
Phone: [phone] Telefax: [phone]
FURUNO NORGE A/S
Ålesund, Norway
Phone: [phone] Telefax: [phone]
FURUNO SVERIGE AB
Västra Frölunda, Sweden
Phone: [phone] Telefax: [phone]
FURUNO FINLAND OY
Espoo, Finland
Phone: [phone] Telefax: [phone]
SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE
SPECIFICATIONS OF SC-50
209 8.2"
175 6.9"
85 3.4"
78 3.1"
15 0.6"
145 5.5" 32 1.3"
100 3.9"
125 4.9"
4- 6
70 2.8"
215 8.5"
205 8.1"
130 5.1"
15 0.8"
12 0.5"max
50 2.0"
70 2.8"
68 2.7"
17 0.7"
61 2.4"
Cutout for flush mount
92 3.6"
167 6.6"
63 2.5"
4- 5.5
4- 5.5
187 7.4"
112 4.4"
Cutout for flush mount
183 7.2"
92 3.6"
210 8.3" 308 12.1" 290 11.4"
31.5 1.2"
350 13.8"
330 13.0"
310 12.2" 68 2.7"
Processor Unit
Antenna Unit
SC-303
Display Unit
0.55 kg 1.2 lb
4.2 kg 9.3 lb
4.2 kg 9.3 lb
12-24 VDC
Antenna Unit Display Unit
Processor Unit
DGPS
Beacon Receiver
GR-80
Radar
Autopilot (HCS/TCS)
VideoPlotter
Current Indicator
Scanning Sonar
ECDIS
AIS
Current Indicator
Scanning Sonar
Pitch/Roll
Analog
Speed alarm/
Heading alarm
(Contact)
MJ-7
Option or local supply
Heading (Backup)
/STW
15/30/50 m
IEC 611162-1/-2 or AD-10
SC-501
SC-502SC-303
10 m
IEC 611162-1/-2 or AD-10
AD-10
IEC 611162-1/-2 or AD-10
IEC 611162-1/-2 or AD-10
IEC 611162-1/-2 or AD-10
Compass
Rose*
Repeater Interface*
for synchro or
step by step
* For further info, contact our depot
TNC-PS-3D-15 x3 or
TPPX6-3D2V-15M x1
Interconnection Diagram
Flush Mount Kit F type
Flush Mount Kit S type