S P E C I F I C AT I O N S

39

40

41

42

43

44

45

COMPANY A

COMPANY B

10

20
0

5

10

20
0

5

-20

-20

0

0

-40

-40
-5

-60

-10

-80
22

24

26

28

30

32

-5

-60

-10

34

-80
33

34

35

36

37

38

39

Test Conditions:
Roll - Amplitude 20°, 10 sec. period
Pitch - Amplitude 10°, 6 sec. period
Heading - 5°, 15 sec. period
Standard - ISO22090-3 (2015)

Temperature
POWER SUPPLY
12-24 VDC: 0.2-0.1 A (4 LEN @ 9 VDC)
Standard:
INTERFACE
Ports
1 Port NMEA2000
SCX-20:059392/904, 060160/416/928, 061184, 065240, 126208/720,
Input
130847059392/904, 060928, 061184, 065280,126208/464/720/992/993/
Output996/998, 127250/251/252/257/258, 129025/026/029/538/539/
540,130310/312/314/316/577/578/816/817/818/819/822/823,
130833/834/842/843/845/846/847
3 Ports NMEA0183, Tx 3 Ch, Rx 2 Ch
SCX-21:
1 Port PPS, RS-485, rising edge detecting
Data Sentences
AAM*, APB*, BOD*, BWC*, BWR*, RMB*, TLL*, XDR, XTE*
Input:
AAM*, APB*, BOD*, BWR*, DTM, GGA, GLL, GNS, GSA, GSV, HDG,
Output:
HDT, HRM, POS, RMB*, RMC, ROT, THS, TLL*, VBW, VTG, XTE*, ZDA
GPatt, Gphve, GPimu, pidat, SDmrk*, GPmsv, hdcom*: GP-39 REQUIREDP Sentences
ENVIRONMENTAL CONDITIONS
Ambient Temperature: -25°C to +55°C (storage: -30°C to 70°C)
95% or less at +40°C
Relative Humidity:
Degree of Protection: IP56
EQUIPMENTSCX-20: FRU-NMEA-PMMFF cable (6m)Cable Assembly
SCX-21: FRU-CF-F cable (15m)
SCX-20: Roof or Pole Mount
SCX-21: Pole Mount ONLY
Standard
Installation materials, spare parts
Optional Supply
Interface Unit:
SCX-20: FI-70
SCX-21: GP-39

Ø22

60 °

4 - Ø7
FIXING HOLES

0.5

20-040-1108
GASKET

BOW MARK
3-M5
BINDING SCREWS
110±0.5

20-040-1107
ROOF MOUNT PEDESTALØR25
CABLE ENTRY

R25
R25 MIN.

SCX-20 w/o mount
1.0 kg (2.2 lbs)

ØR25
CABLE ENTRY
± 0.5
Ø90

250

AIR VENT (BOTTOM)
NAMEPLATECABLE CONNECTOR

74

11
BOW MARK
Ø194

-80

±
Ø90

BOW MARK3 - Ø6
FIXING HOLES

ANTENNA UNIT
PLATFORM

A
CABLE

R25
R25 MIN.

M5
BOLT
DETAIL FOR A (SCALE: 1/1)

SCX-20/21 w/ pole mount
1.2 kg (2.64 lbs)
NAMEPLATE

250

AIR VENT (BOTTOM)

74 28

0.5
Ø90 ±
Ø50

-10

Pressure

256.4

AIR VENT (BOTTOM)

60 °

-60

SCX-20 w/ roof mount
1.4 kg (3.0 lbs)

60 °

-5

Radar
Autopilot
Video Plotter
Current Indicator
Scanning Sonar
AIS
PC w/ Converter

60 °

-40

GP-39

UNIT DIAGRAMS

60 °

-20
0

VBW:

NAVpilot-300

NMEA0183 TD x3 RD x2
0.02 kn rms (tracking satellites 5 or more)
0.2 kn rms (tracking satellites 3 or more)
0.02 kn rms (tracking satellites 5 or more, at antenna position)
0.08 kn rms (tracking satellites 5 or more, at another position)
2.0% of ship’s speed or 0.2 kn, whichever is greater (tracking
satellites 3 or 4)
850 to 1100 hPa (temp range: 0°C to > 50°C), ± 1.0 hPa (offset
adjustment)-20°C to > 55°C (relative wind: ≥ 4 kn), ± 2.0°C (offset adjustment)

BOW MARK

60 °HEADING DEVIATION
ROLL
PITCH
y = Standard Deviation (deg)x = Time (sec)

0

5

FI-70

DRX
(WASSP)

50 Hz MAX
10 Hz MAX

234.3
210±0.5

20

PPS

SCX-21

T-connector
Standard
Option88

10

NMEA0183 Network Configuration:

NavNet Series

75

FURUNO SCX-20/21

5m approx. (2 drms, HDOP < 4)4m approx. (2 drms, HDOP < 4)
3m approx. (2 drms, HDOP < 4)
50 seconds approx.

SCX-20KEY:

194- Perfect for NavNet TZtouch MFD, NAVpilot-300, and WASSP installations- Outputs accurate Time, Position, Heading, COG/SOG, ROT,
Roll/Pitch/Heave 3-Axis Speed, Air Temperature and Air Pressure data
- Unprecedented heading accuracy for Radars, Sonars, and Navigation- Utilizes four Multi GNSS (GPS, QZSS, GLONASS, Galileo) antennas- 1.0 degree heading accuracy, 0.02 knot speed accuracy- Lightweight antenna - only 1.0kg!

NMEA2000® Network Configuration:

90

Tracking Code
AttitudeFollow Up
Heave Accuracy
TimingSettling Time
Position Accuracy
GPS:
MSAS:
WAAS:
Position Fix Time
Update Interval
Attitude:Position:
Ship Speed Accuracy
SOG:

INTERCONNECTION DIAGRAM
1575.42 MHz (GPS/Galileo/QZSS/SBAS)
1602.5625 MHz (GLONASS)
C/A (GPS/QZSS/SBAS), E1B (Galileo), L1OF (GLONASS)
Heading/Roll/Pitch: 1.0° rms (static) 0.5° rms (dynamic)
45°/sec
σ5cm(1PPS) Accuracy: 50μs (SCX-21 only)
60 seconds approx.

194

GENERAL
Frequency

BOW MARK

3-M5
FIXING HOLES

1-14 UNS 1B

CABLE
Ø25.6

A

20-040-1105
ANTENNA FIXTURE
20-040-1118(T5)
LOCK NUT
PIPE

VIEW A

SCX-21
NMEA0183

Catalog No. CA000001660
B-2210LB
SCX-20
NMEA2000

SCX-20
NMEA2000

SCX-21
NMEA0183

FURUNO ELECTRIC CO., LTD.
Japan www.furuno.com
FURUNO U.S.A., INC.
U.S.A. www.furunousa.com
FURUNO PANAMA S.A.
Republic of Panama www.furuno.com.pa
FURUNO (UK) LIMITED
U.K. www.furuno.co.uk
FURUNO NORGE A/S
Norway www.furuno.no

FURUNO DANMARK A/S
Denmark www.furuno.dk
FURUNO SVERIGE AB
Sweden www.furuno.se
FURUNO FINLAND OYFinland www.furuno.fi
FURUNO POLSKA Sp. Z o.o.
Poland www.furuno.pl
FURUNO DEUTSCHLAND GmbHGermany www.furuno.de

FURUNO FRANCE S.A.S.
France www.furuno.fr
FURUNO ESPAÑA S.A.
Spain www.furuno.es
FURUNO ITALIA S.R.L.
Italy www.furuno.it
FURUNO HELLAS S.A.
Greece www.furuno.gr
FURUNO (CYPRUS) LTD
Cyprus www.furuno.com.cy

FURUNO SHANGHAI CO., LTD.
China www.furuno.com/cn
FURUNO CHINA CO., LTD.
Hong Kong www.furuno.com/cn
FURUNO KOREA CO., LTD
Korea
FURUNO SINGAPORE
Singapore www.furuno.sg
PT FURUNO ELECTRIC INDONESIA
Indonesia www.furuno.id

FURUNO ELECTRIC (MALAYSIA) SDN. BHD.
Malaysia www.furuno.com/my
SCX-20 ONLYBEWARE OF SIMILAR PRODUCTS
All brand and product names are trademarks, registeredtrademarks, or service marks for their respective holders.

SPECIFICATIONS SUBJECT TO
CHANGE WITHOUT NOTICE

www.furuno.com

AMAZING MULTI-GNSS SATELLITE COMPASS™

R A D A R E C H O T R A I L Z I G - Z A G D O M I N AT I O NTESTED. PROVEN. SUPERIOR.

R ELI A BL E ACCUR A C Y I N T H E M O S T CH ALLE NG ING SITU ATIO NSWhen connected to
Furuno SCX-20/21,
the Radar’s echo trails
hold steady and clearly
depict an accurateecho trail thanks to the
SCX-20/21’s amazing
accuracy.

Company B’s heading
accuracy fluctuatesby +/- 3˚ with a slower
update, causing anecho trail that has awide zig-zag pattern.

FURUNO SCX-20/21

Company A

Company B

Company C

Company A’s satellitecompass fails to
uphold a steadyheading, making
echo trails virtually
unintelligible.

Company C’s heading
accuracy fluctuatesby +/- 5˚ with a faster
update, causing
an echo trail that is
indistinguishable andconfusing.

Connect the SCX-20 to NavNet TZtouch MFD’s forhighly accurate heading data!

MORE ACCURATEANTENNA 1

ANTENNA 2

SCX-20/21 < COMPANY B < COMPANY C < COMPANY A

LESS ACCURATE

EXPERIENCE SUPERIOR ACCURACY

R E L AY C R I T I C A L D ATA

The SCX-20 and SCX-21 enhance the performance of onboard equipment such as Radar, Fish Finders, Sonar, and Autopilots. Accurate

Effortlessly connect with existing Furuno systems in order to elevate your awareness of own vessel and the surrounding area by displaying

heading information empowers your NAVpilot to keep a better course, saving time, fuel, and money on every voyage; meanwhile, precise

critical information across several products including NavNet TZtouch MFD’s, NAVpilot-300, FI-70, and GP-39! Initial setup can be done

pitch, roll, and heave information stabilizes the display for many Furuno Fish Finders and Sonars, allowing for an accurate presentation evenfrom NavNet series MFD, NAVpilot-300 and GP-39.

in the roughest of seas.

R A DA R / PLOT TE R

OFF ON

True echo trails are available when the SCX-20 or SCX-21 is connected to your Furuno

BASELINES

Radar, helping to determine own ship’s movement as well as the movement of other vessels.

TRUE MOTION TARGET TRAILS• 3-Axis Speed• Pitch, Roll, Heave• Rate of Turn (RoT)• Heading (HDG)

OFF ON

Accurate speed and heading data ensures that target trails are displayed smoothly and
ANTENNA 3

ANTENNA 4

The SCX-20 and SCX-21 are designed with simplicity in mind
and can be mounted virtually anywhere on the vessel.

accurately, without the jagged, zig-zag appearance common to compasses with a higher
degree of deviation.

FI S H FI N D E R

Utilizing four separate GNSS Antennas for the ultimate in

GP-39

HEAVING COMPENSATION

responsiveness, the SCX-20 and SCX-21 set a new standard forEven in heavy seas, accurate heave compensation from SCX-20 or SCX-21 enable Fishreliable and accurate heading for all of your marine electronics.

Finders such as the FCV-1150 or NavNet TZtouch/TZtouch2/TZtouch3 to show you an

Traditionally, a Satellite Compass™ calculates heading using one

OFF

ON

unwavering presentation of the seabed, without the undulations caused by sea conditions.

baseline between two antennas; the SCX-20/21’s four antennas cancalculate heading information using any one of the six baselines
drawn between the four antennas.

SONAR

The unprecedented quad-antenna design of the SCX-20 and SCX21 makes them capable of calculating extremely accurate heading,Accurate pitch and roll information allows Furuno Sonar systems to display a steady image on

pitch, roll, and heave information. They are the perfect heading

the screen, even in foul weather.

solution for complex vessel installations where the view of satellites
may sometimes be obstructed.

The SCX-20 is a perfect companion unit for the NAVpilot-300.

PITCH & ROLL COMPENSATION

FI-70

AMAZING MULTI-GNSS SATELLITE COMPASS™

R A D A R E C H O T R A I L Z I G - Z A G D O M I N AT I O NTESTED. PROVEN. SUPERIOR.

R ELI A BL E ACCUR A C Y I N T H E M O S T CH ALLE NG ING SITU ATIO NSWhen connected to
Furuno SCX-20/21,
the Radar’s echo trails
hold steady and clearly
depict an accurateecho trail thanks to the
SCX-20/21’s amazing
accuracy.

Company B’s heading
accuracy fluctuatesby +/- 3˚ with a slower
update, causing anecho trail that has awide zig-zag pattern.

FURUNO SCX-20/21

Company A

Company B

Company C

Company A’s satellitecompass fails to
uphold a steadyheading, making
echo trails virtually
unintelligible.

Company C’s heading
accuracy fluctuatesby +/- 5˚ with a faster
update, causing
an echo trail that is
indistinguishable andconfusing.

Connect the SCX-20 to NavNet TZtouch MFD’s forhighly accurate heading data!

MORE ACCURATEANTENNA 1

ANTENNA 2

SCX-20/21 < COMPANY B < COMPANY C < COMPANY A

LESS ACCURATE

EXPERIENCE SUPERIOR ACCURACY

R E L AY C R I T I C A L D ATA

The SCX-20 and SCX-21 enhance the performance of onboard equipment such as Radar, Fish Finders, Sonar, and Autopilots. Accurate

Effortlessly connect with existing Furuno systems in order to elevate your awareness of own vessel and the surrounding area by displaying

heading information empowers your NAVpilot to keep a better course, saving time, fuel, and money on every voyage; meanwhile, precise

critical information across several products including NavNet TZtouch MFD’s, NAVpilot-300, FI-70, and GP-39! Initial setup can be done

pitch, roll, and heave information stabilizes the display for many Furuno Fish Finders and Sonars, allowing for an accurate presentation evenfrom NavNet series MFD, NAVpilot-300 and GP-39.

in the roughest of seas.

R A DA R / PLOT TE R

OFF ON

True echo trails are available when the SCX-20 or SCX-21 is connected to your Furuno

BASELINES

Radar, helping to determine own ship’s movement as well as the movement of other vessels.

TRUE MOTION TARGET TRAILS• 3-Axis Speed• Pitch, Roll, Heave• Rate of Turn (RoT)• Heading (HDG)

OFF ON

Accurate speed and heading data ensures that target trails are displayed smoothly and
ANTENNA 3

ANTENNA 4

The SCX-20 and SCX-21 are designed with simplicity in mind
and can be mounted virtually anywhere on the vessel.

accurately, without the jagged, zig-zag appearance common to compasses with a higher
degree of deviation.

FI S H FI N D E R

Utilizing four separate GNSS Antennas for the ultimate in

GP-39

HEAVING COMPENSATION

responsiveness, the SCX-20 and SCX-21 set a new standard forEven in heavy seas, accurate heave compensation from SCX-20 or SCX-21 enable Fishreliable and accurate heading for all of your marine electronics.

Finders such as the FCV-1150 or NavNet TZtouch/TZtouch2/TZtouch3 to show you an

Traditionally, a Satellite Compass™ calculates heading using one

OFF

ON

unwavering presentation of the seabed, without the undulations caused by sea conditions.

baseline between two antennas; the SCX-20/21’s four antennas cancalculate heading information using any one of the six baselines
drawn between the four antennas.

SONAR

The unprecedented quad-antenna design of the SCX-20 and SCX21 makes them capable of calculating extremely accurate heading,Accurate pitch and roll information allows Furuno Sonar systems to display a steady image on

pitch, roll, and heave information. They are the perfect heading

the screen, even in foul weather.

solution for complex vessel installations where the view of satellites
may sometimes be obstructed.

The SCX-20 is a perfect companion unit for the NAVpilot-300.

PITCH & ROLL COMPENSATION

FI-70

AMAZING MULTI-GNSS SATELLITE COMPASS™

R A D A R E C H O T R A I L Z I G - Z A G D O M I N AT I O NTESTED. PROVEN. SUPERIOR.

R ELI A BL E ACCUR A C Y I N T H E M O S T CH ALLE NG ING SITU ATIO NSWhen connected to
Furuno SCX-20/21,
the Radar’s echo trails
hold steady and clearly
depict an accurateecho trail thanks to the
SCX-20/21’s amazing
accuracy.

Company B’s heading
accuracy fluctuatesby +/- 3˚ with a slower
update, causing anecho trail that has awide zig-zag pattern.

FURUNO SCX-20/21

Company A

Company B

Company C

Company A’s satellitecompass fails to
uphold a steadyheading, making
echo trails virtually
unintelligible.

Company C’s heading
accuracy fluctuatesby +/- 5˚ with a faster
update, causing
an echo trail that is
indistinguishable andconfusing.

Connect the SCX-20 to NavNet TZtouch MFD’s forhighly accurate heading data!

MORE ACCURATEANTENNA 1

ANTENNA 2

SCX-20/21 < COMPANY B < COMPANY C < COMPANY A

LESS ACCURATE

EXPERIENCE SUPERIOR ACCURACY

R E L AY C R I T I C A L D ATA

The SCX-20 and SCX-21 enhance the performance of onboard equipment such as Radar, Fish Finders, Sonar, and Autopilots. Accurate

Effortlessly connect with existing Furuno systems in order to elevate your awareness of own vessel and the surrounding area by displaying

heading information empowers your NAVpilot to keep a better course, saving time, fuel, and money on every voyage; meanwhile, precise

critical information across several products including NavNet TZtouch MFD’s, NAVpilot-300, FI-70, and GP-39! Initial setup can be done

pitch, roll, and heave information stabilizes the display for many Furuno Fish Finders and Sonars, allowing for an accurate presentation evenfrom NavNet series MFD, NAVpilot-300 and GP-39.

in the roughest of seas.

R A DA R / PLOT TE R

OFF ON

True echo trails are available when the SCX-20 or SCX-21 is connected to your Furuno

BASELINES

Radar, helping to determine own ship’s movement as well as the movement of other vessels.

TRUE MOTION TARGET TRAILS• 3-Axis Speed• Pitch, Roll, Heave• Rate of Turn (RoT)• Heading (HDG)

OFF ON

Accurate speed and heading data ensures that target trails are displayed smoothly and
ANTENNA 3

ANTENNA 4

The SCX-20 and SCX-21 are designed with simplicity in mind
and can be mounted virtually anywhere on the vessel.

accurately, without the jagged, zig-zag appearance common to compasses with a higher
degree of deviation.

FI S H FI N D E R

Utilizing four separate GNSS Antennas for the ultimate in

GP-39

HEAVING COMPENSATION

responsiveness, the SCX-20 and SCX-21 set a new standard forEven in heavy seas, accurate heave compensation from SCX-20 or SCX-21 enable Fishreliable and accurate heading for all of your marine electronics.

Finders such as the FCV-1150 or NavNet TZtouch/TZtouch2/TZtouch3 to show you an

Traditionally, a Satellite Compass™ calculates heading using one

OFF

ON

unwavering presentation of the seabed, without the undulations caused by sea conditions.

baseline between two antennas; the SCX-20/21’s four antennas cancalculate heading information using any one of the six baselines
drawn between the four antennas.

SONAR

The unprecedented quad-antenna design of the SCX-20 and SCX21 makes them capable of calculating extremely accurate heading,Accurate pitch and roll information allows Furuno Sonar systems to display a steady image on

pitch, roll, and heave information. They are the perfect heading

the screen, even in foul weather.

solution for complex vessel installations where the view of satellites
may sometimes be obstructed.

The SCX-20 is a perfect companion unit for the NAVpilot-300.

PITCH & ROLL COMPENSATION

FI-70

S P E C I F I C AT I O N S

39

40

41

42

43

44

45

COMPANY A

COMPANY B

10

20
0

5

10

20
0

5

-20

-20

0

0

-40

-40
-5

-60

-10

-80
22

24

26

28

30

32

-5

-60

-10

34

-80
33

34

35

36

37

38

39

Test Conditions:
Roll - Amplitude 20°, 10 sec. period
Pitch - Amplitude 10°, 6 sec. period
Heading - 5°, 15 sec. period
Standard - ISO22090-3 (2015)

Temperature
POWER SUPPLY
12-24 VDC: 0.2-0.1 A (4 LEN @ 9 VDC)
Standard:
INTERFACE
Ports
1 Port NMEA2000
SCX-20:059392/904, 060160/416/928, 061184, 065240, 126208/720,
Input
130847059392/904, 060928, 061184, 065280,126208/464/720/992/993/
Output996/998, 127250/251/252/257/258, 129025/026/029/538/539/
540,130310/312/314/316/577/578/816/817/818/819/822/823,
130833/834/842/843/845/846/847
3 Ports NMEA0183, Tx 3 Ch, Rx 2 Ch
SCX-21:
1 Port PPS, RS-485, rising edge detecting
Data Sentences
AAM*, APB*, BOD*, BWC*, BWR*, RMB*, TLL*, XDR, XTE*
Input:
AAM*, APB*, BOD*, BWR*, DTM, GGA, GLL, GNS, GSA, GSV, HDG,
Output:
HDT, HRM, POS, RMB*, RMC, ROT, THS, TLL*, VBW, VTG, XTE*, ZDA
GPatt, Gphve, GPimu, pidat, SDmrk*, GPmsv, hdcom*: GP-39 REQUIREDP Sentences
ENVIRONMENTAL CONDITIONS
Ambient Temperature: -25°C to +55°C (storage: -30°C to 70°C)
95% or less at +40°C
Relative Humidity:
Degree of Protection: IP56
EQUIPMENTSCX-20: FRU-NMEA-PMMFF cable (6m)Cable Assembly
SCX-21: FRU-CF-F cable (15m)
SCX-20: Roof or Pole Mount
SCX-21: Pole Mount ONLY
Standard
Installation materials, spare parts
Optional Supply
Interface Unit:
SCX-20: FI-70
SCX-21: GP-39

Ø22

60 °

4 - Ø7
FIXING HOLES

0.5

20-040-1108
GASKET

BOW MARK
3-M5
BINDING SCREWS
110±0.5

20-040-1107
ROOF MOUNT PEDESTALØR25
CABLE ENTRY

R25
R25 MIN.

SCX-20 w/o mount
1.0 kg (2.2 lbs)

ØR25
CABLE ENTRY
± 0.5
Ø90

250

AIR VENT (BOTTOM)
NAMEPLATECABLE CONNECTOR

74

11
BOW MARK
Ø194

-80

±
Ø90

BOW MARK3 - Ø6
FIXING HOLES

ANTENNA UNIT
PLATFORM

A
CABLE

R25
R25 MIN.

M5
BOLT
DETAIL FOR A (SCALE: 1/1)

SCX-20/21 w/ pole mount
1.2 kg (2.64 lbs)
NAMEPLATE

250

AIR VENT (BOTTOM)

74 28

0.5
Ø90 ±
Ø50

-10

Pressure

256.4

AIR VENT (BOTTOM)

60 °

-60

SCX-20 w/ roof mount
1.4 kg (3.0 lbs)

60 °

-5

Radar
Autopilot
Video Plotter
Current Indicator
Scanning Sonar
AIS
PC w/ Converter

60 °

-40

GP-39

UNIT DIAGRAMS

60 °

-20
0

VBW:

NAVpilot-300

NMEA0183 TD x3 RD x2
0.02 kn rms (tracking satellites 5 or more)
0.2 kn rms (tracking satellites 3 or more)
0.02 kn rms (tracking satellites 5 or more, at antenna position)
0.08 kn rms (tracking satellites 5 or more, at another position)
2.0% of ship’s speed or 0.2 kn, whichever is greater (tracking
satellites 3 or 4)
850 to 1100 hPa (temp range: 0°C to > 50°C), ± 1.0 hPa (offset
adjustment)-20°C to > 55°C (relative wind: ≥ 4 kn), ± 2.0°C (offset adjustment)

BOW MARK

60 °HEADING DEVIATION
ROLL
PITCH
y = Standard Deviation (deg)x = Time (sec)

0

5

FI-70

DRX
(WASSP)

50 Hz MAX
10 Hz MAX

234.3
210±0.5

20

PPS

SCX-21

T-connector
Standard
Option88

10

NMEA0183 Network Configuration:

NavNet Series

75

FURUNO SCX-20/21

5m approx. (2 drms, HDOP < 4)4m approx. (2 drms, HDOP < 4)
3m approx. (2 drms, HDOP < 4)
50 seconds approx.

SCX-20KEY:

194- Perfect for NavNet TZtouch MFD, NAVpilot-300, and WASSP installations- Outputs accurate Time, Position, Heading, COG/SOG, ROT,
Roll/Pitch/Heave 3-Axis Speed, Air Temperature and Air Pressure data
- Unprecedented heading accuracy for Radars, Sonars, and Navigation- Utilizes four Multi GNSS (GPS, QZSS, GLONASS, Galileo) antennas- 1.0 degree heading accuracy, 0.02 knot speed accuracy- Lightweight antenna - only 1.0kg!

NMEA2000® Network Configuration:

90

Tracking Code
AttitudeFollow Up
Heave Accuracy
TimingSettling Time
Position Accuracy
GPS:
MSAS:
WAAS:
Position Fix Time
Update Interval
Attitude:Position:
Ship Speed Accuracy
SOG:

INTERCONNECTION DIAGRAM
1575.42 MHz (GPS/Galileo/QZSS/SBAS)
1602.5625 MHz (GLONASS)
C/A (GPS/QZSS/SBAS), E1B (Galileo), L1OF (GLONASS)
Heading/Roll/Pitch: 1.0° rms (static) 0.5° rms (dynamic)
45°/sec
σ5cm(1PPS) Accuracy: 50μs (SCX-21 only)
60 seconds approx.

194

GENERAL
Frequency

BOW MARK

3-M5
FIXING HOLES

1-14 UNS 1B

CABLE
Ø25.6

A

20-040-1105
ANTENNA FIXTURE
20-040-1118(T5)
LOCK NUT
PIPE

VIEW A

SCX-21
NMEA0183

Catalog No. CA000001660
B-2210LB
SCX-20
NMEA2000

SCX-20
NMEA2000

SCX-21
NMEA0183

FURUNO ELECTRIC CO., LTD.
Japan www.furuno.com
FURUNO U.S.A., INC.
U.S.A. www.furunousa.com
FURUNO PANAMA S.A.
Republic of Panama www.furuno.com.pa
FURUNO (UK) LIMITED
U.K. www.furuno.co.uk
FURUNO NORGE A/S
Norway www.furuno.no

FURUNO DANMARK A/S
Denmark www.furuno.dk
FURUNO SVERIGE AB
Sweden www.furuno.se
FURUNO FINLAND OYFinland www.furuno.fi
FURUNO POLSKA Sp. Z o.o.
Poland www.furuno.pl
FURUNO DEUTSCHLAND GmbHGermany www.furuno.de

FURUNO FRANCE S.A.S.
France www.furuno.fr
FURUNO ESPAÑA S.A.
Spain www.furuno.es
FURUNO ITALIA S.R.L.
Italy www.furuno.it
FURUNO HELLAS S.A.
Greece www.furuno.gr
FURUNO (CYPRUS) LTD
Cyprus www.furuno.com.cy

FURUNO SHANGHAI CO., LTD.
China www.furuno.com/cn
FURUNO CHINA CO., LTD.
Hong Kong www.furuno.com/cn
FURUNO KOREA CO., LTD
Korea
FURUNO SINGAPORE
Singapore www.furuno.sg
PT FURUNO ELECTRIC INDONESIA
Indonesia www.furuno.id

FURUNO ELECTRIC (MALAYSIA) SDN. BHD.
Malaysia www.furuno.com/my
SCX-20 ONLYBEWARE OF SIMILAR PRODUCTS
All brand and product names are trademarks, registeredtrademarks, or service marks for their respective holders.

SPECIFICATIONS SUBJECT TO
CHANGE WITHOUT NOTICE

www.furuno.com

S P E C I F I C AT I O N S

39

40

41

42

43

44

45

COMPANY A

COMPANY B

10

20
0

5

10

20
0

5

-20

-20

0

0

-40

-40
-5

-60

-10

-80
22

24

26

28

30

32

-5

-60

-10

34

-80
33

34

35

36

37

38

39

Test Conditions:
Roll - Amplitude 20°, 10 sec. period
Pitch - Amplitude 10°, 6 sec. period
Heading - 5°, 15 sec. period
Standard - ISO22090-3 (2015)

Temperature
POWER SUPPLY
12-24 VDC: 0.2-0.1 A (4 LEN @ 9 VDC)
Standard:
INTERFACE
Ports
1 Port NMEA2000
SCX-20:059392/904, 060160/416/928, 061184, 065240, 126208/720,
Input
130847059392/904, 060928, 061184, 065280,126208/464/720/992/993/
Output996/998, 127250/251/252/257/258, 129025/026/029/538/539/
540,130310/312/314/316/577/578/816/817/818/819/822/823,
130833/834/842/843/845/846/847
3 Ports NMEA0183, Tx 3 Ch, Rx 2 Ch
SCX-21:
1 Port PPS, RS-485, rising edge detecting
Data Sentences
AAM*, APB*, BOD*, BWC*, BWR*, RMB*, TLL*, XDR, XTE*
Input:
AAM*, APB*, BOD*, BWR*, DTM, GGA, GLL, GNS, GSA, GSV, HDG,
Output:
HDT, HRM, POS, RMB*, RMC, ROT, THS, TLL*, VBW, VTG, XTE*, ZDA
GPatt, Gphve, GPimu, pidat, SDmrk*, GPmsv, hdcom*: GP-39 REQUIREDP Sentences
ENVIRONMENTAL CONDITIONS
Ambient Temperature: -25°C to +55°C (storage: -30°C to 70°C)
95% or less at +40°C
Relative Humidity:
Degree of Protection: IP56
EQUIPMENTSCX-20: FRU-NMEA-PMMFF cable (6m)Cable Assembly
SCX-21: FRU-CF-F cable (15m)
SCX-20: Roof or Pole Mount
SCX-21: Pole Mount ONLY
Standard
Installation materials, spare parts
Optional Supply
Interface Unit:
SCX-20: FI-70
SCX-21: GP-39

Ø22

60 °

4 - Ø7
FIXING HOLES

0.5

20-040-1108
GASKET

BOW MARK
3-M5
BINDING SCREWS
110±0.5

20-040-1107
ROOF MOUNT PEDESTALØR25
CABLE ENTRY

R25
R25 MIN.

SCX-20 w/o mount
1.0 kg (2.2 lbs)

ØR25
CABLE ENTRY
± 0.5
Ø90

250

AIR VENT (BOTTOM)
NAMEPLATECABLE CONNECTOR

74

11
BOW MARK
Ø194

-80

±
Ø90

BOW MARK3 - Ø6
FIXING HOLES

ANTENNA UNIT
PLATFORM

A
CABLE

R25
R25 MIN.

M5
BOLT
DETAIL FOR A (SCALE: 1/1)

SCX-20/21 w/ pole mount
1.2 kg (2.64 lbs)
NAMEPLATE

250

AIR VENT (BOTTOM)

74 28

0.5
Ø90 ±
Ø50

-10

Pressure

256.4

AIR VENT (BOTTOM)

60 °

-60

SCX-20 w/ roof mount
1.4 kg (3.0 lbs)

60 °

-5

Radar
Autopilot
Video Plotter
Current Indicator
Scanning Sonar
AIS
PC w/ Converter

60 °

-40

GP-39

UNIT DIAGRAMS

60 °

-20
0

VBW:

NAVpilot-300

NMEA0183 TD x3 RD x2
0.02 kn rms (tracking satellites 5 or more)
0.2 kn rms (tracking satellites 3 or more)
0.02 kn rms (tracking satellites 5 or more, at antenna position)
0.08 kn rms (tracking satellites 5 or more, at another position)
2.0% of ship’s speed or 0.2 kn, whichever is greater (tracking
satellites 3 or 4)
850 to 1100 hPa (temp range: 0°C to > 50°C), ± 1.0 hPa (offset
adjustment)-20°C to > 55°C (relative wind: ≥ 4 kn), ± 2.0°C (offset adjustment)

BOW MARK

60 °HEADING DEVIATION
ROLL
PITCH
y = Standard Deviation (deg)x = Time (sec)

0

5

FI-70

DRX
(WASSP)

50 Hz MAX
10 Hz MAX

234.3
210±0.5

20

PPS

SCX-21

T-connector
Standard
Option88

10

NMEA0183 Network Configuration:

NavNet Series

75

FURUNO SCX-20/21

5m approx. (2 drms, HDOP < 4)4m approx. (2 drms, HDOP < 4)
3m approx. (2 drms, HDOP < 4)
50 seconds approx.

SCX-20KEY:

194- Perfect for NavNet TZtouch MFD, NAVpilot-300, and WASSP installations- Outputs accurate Time, Position, Heading, COG/SOG, ROT,
Roll/Pitch/Heave 3-Axis Speed, Air Temperature and Air Pressure data
- Unprecedented heading accuracy for Radars, Sonars, and Navigation- Utilizes four Multi GNSS (GPS, QZSS, GLONASS, Galileo) antennas- 1.0 degree heading accuracy, 0.02 knot speed accuracy- Lightweight antenna - only 1.0kg!

NMEA2000® Network Configuration:

90

Tracking Code
AttitudeFollow Up
Heave Accuracy
TimingSettling Time
Position Accuracy
GPS:
MSAS:
WAAS:
Position Fix Time
Update Interval
Attitude:Position:
Ship Speed Accuracy
SOG:

INTERCONNECTION DIAGRAM
1575.42 MHz (GPS/Galileo/QZSS/SBAS)
1602.5625 MHz (GLONASS)
C/A (GPS/QZSS/SBAS), E1B (Galileo), L1OF (GLONASS)
Heading/Roll/Pitch: 1.0° rms (static) 0.5° rms (dynamic)
45°/sec
σ5cm(1PPS) Accuracy: 50μs (SCX-21 only)
60 seconds approx.

194

GENERAL
Frequency

BOW MARK

3-M5
FIXING HOLES

1-14 UNS 1B

CABLE
Ø25.6

A

20-040-1105
ANTENNA FIXTURE
20-040-1118(T5)
LOCK NUT
PIPE

VIEW A

SCX-21
NMEA0183

Catalog No. CA000001660
B-2210LB
SCX-20
NMEA2000

SCX-20
NMEA2000

SCX-21
NMEA0183

FURUNO ELECTRIC CO., LTD.
Japan www.furuno.com
FURUNO U.S.A., INC.
U.S.A. www.furunousa.com
FURUNO PANAMA S.A.
Republic of Panama www.furuno.com.pa
FURUNO (UK) LIMITED
U.K. www.furuno.co.uk
FURUNO NORGE A/S
Norway www.furuno.no

FURUNO DANMARK A/S
Denmark www.furuno.dk
FURUNO SVERIGE AB
Sweden www.furuno.se
FURUNO FINLAND OYFinland www.furuno.fi
FURUNO POLSKA Sp. Z o.o.
Poland www.furuno.pl
FURUNO DEUTSCHLAND GmbHGermany www.furuno.de

FURUNO FRANCE S.A.S.
France www.furuno.fr
FURUNO ESPAÑA S.A.
Spain www.furuno.es
FURUNO ITALIA S.R.L.
Italy www.furuno.it
FURUNO HELLAS S.A.
Greece www.furuno.gr
FURUNO (CYPRUS) LTD
Cyprus www.furuno.com.cy

FURUNO SHANGHAI CO., LTD.
China www.furuno.com/cn
FURUNO CHINA CO., LTD.
Hong Kong www.furuno.com/cn
FURUNO KOREA CO., LTD
Korea
FURUNO SINGAPORE
Singapore www.furuno.sg
PT FURUNO ELECTRIC INDONESIA
Indonesia www.furuno.id

FURUNO ELECTRIC (MALAYSIA) SDN. BHD.
Malaysia www.furuno.com/my
SCX-20 ONLYBEWARE OF SIMILAR PRODUCTS
All brand and product names are trademarks, registeredtrademarks, or service marks for their respective holders.

SPECIFICATIONS SUBJECT TO
CHANGE WITHOUT NOTICE

www.furuno.com