SIMRAD DUAL

Accuracy
   

Settling time

:

within 3 hours

(if startup heading is within +/-5° of actual heading)

Settle point error

:

less than ±0.1º

RMS value of the difference

:

less than 0.1º

Repeatability of settle point error

:

less than ±0.1°

Roll and pitch error

:

less than ±0.4°

Static error

:

less than ±0.1°

Settle point error under general conditions

:

less than ±0.4°

Note! Accuracy at equator. For other latitudes, accurancy to be multiplied by *(1/COS f), where f = Latitude.

     

General Specification

   

Follow-up speed

:

> 75°/sec

Gimbal freedom for both roll and pitch

:

 ±45°

Range of speed correction

   

GC80

:

0-50 knots / latitude (0° - +70°)

GC85

:

0-70 knots / latitude (0° - +70°)

Main power supply

:

100/110/115/200V AC, 50/60Hz

Power supply for alarm and back-up

:

24V DC, 70W

Voltage fluctuation

:

AC ±10%, DC -20% - +30%

Frequency variation

:

±5%

     

Power Consumption

   

Start

:

within 140VA

Ordinary

:

within 70VA

Repeater

:

within 17VA

Repeater type

:

24V DC – 6 step/°

Number of step repeater connections

:

4

Number of NMEA connections

:

10

Repeater back-up circuits

:

4+10

     

Input Specification

   

Serial input signal (GPS)

   

Circuits

:

1

Electrical

:

RS422/MNEA0183/Current loop

Baud rate

:

4800 bps

Data bits

:

8 bits

Parity

:

None

Stop bits

:

1

Transmit freq.

:

1 – 5Hz

Input format

   

$--GGA,x,xxxx.xx,N,xx.x,E,x,~*hh<CR><LF>

 

$--GLL,xxxx.xx,N,xxxx.xx,E,*hh<CR><LF>

   

$--VTG,xx,T,xx,M,xx.x,N,xx,K*hh<CR><LF>

   

Serial input signal (External heading)

   

Circuits

:

1

Electrical

:

RS422/NMEA0183

Baud rate

:

4800/38400 bps

Data bits

:

8 bits

Parity

:

None

Stop bits

:

1

Transmit freq.

:

1 - 50Hz/20 – 50Hz

Input format

   

$--HDT,xxx.x*hh<CR><LF>

   

$--HDG,xxx.x*hh<CR><LF>

   

Serial input signal (LOG)

   

Circuits

:

1

Electrical

:

RS422/NMEA0183

Baud rate

:

4800 bps

Data bits

:

8 bits

Parity

:

None

Stop bits

:

1

Transmit freq.

:

1 - 50Hz

Input format

   

$--VBW,x.x,x.x,A,~*hh<CR><LF>

   

PULSE signal (LOG)

   

Circuits

:

1

Electrical

:

200/400 p.p.n.m., dry contact

     

Output specification

   

Serial output signal 1

   

Circuits

:

10

Electrical

:

RS422/485

Baud rate

   

GC80

:

4800 bps

GC85

:

38400 bps

Data bits

:

8 bits

Parity

:

None

Stop bits

:

1

Transmit freq.

   

GC80

:

10Hz

GC85

:

50Hz

Output format

   

Data no.1

   

$ HEHDT,xxx.x,T*hh<CR><LF>

   

Data no.2

   

$ HEROT,-xxx.xx,A*hh<CR><LF>

   

Data no.3

   

$ PCICM,HEALM,xxxx,x,xx*hh<CR><LF>

   
     

Serial output signal 2 *1

   

Circuits

:

10

Electrical

:

RS422/485

Baud rate

   

GC80

:

4800 bps

GC85

:

38400 bps

Data bits

:

8 bits

Parity

:

None

Stop bits

:

1

Transmit freq.

   

GC80

:

10Hz

GC85

:

50Hz

Output format

   

Data no.1

   

$ HEHDT,xxx.x,T*hh<CR><LF>

   

Data no.2

   

$ PTICM,--xxxx,x,xx,*hh<CR><LF>

   
     

STEP signal

   

Circuits

:

4

Electrical

:

24V DC – 6 step/°

     

RATE OF TURN signal

   

Circuits

:

1

Electrical

:

+/-10V (+/-120°) (default),

     

Alarm output

   

Potential free

:

NO/NC

Running contact

   

Potential free

:

NO/NC

     

Physical Dimensions

   

GC80/GC85 Master Compass

   

Height

:

438 mm (17.2”)

Width

:

340 mm (13.4”)

Depth

:

340 mm (13.4”)

Weight

:

23 kg (51lbs)

GC80 Dual Control Unit

   

Height

:

561 mm (22.1”)

Width

:

467 mm (18.4”)

Depth

:

182 mm (7.2”)

Weight

:

23kg (51lbs)

     

Power

   

GC80/GC85 Master Compass

   

Voltage input

:

Supplied from Control unit

GC80 Dual Control Unit

   

Voltage input

:

110/220V AC

Backup voltage

:

24V DC

Power consumption per Master compass (incl. Master compass)

Starting

:

1.5A at 100V AC

Running

:

1.2A at 100V AC

     

Environmental Specification

   

GC80/GC85 Master Compass

   

Enclosure material

:

Aluminum

Color

:

 Black

Temperature range

   

Operating

:

-10 - 50°C (14 - 122°F)

Storage

:

-25 – 70°C (-13 – 158°F)

Angular freedom of gimbal

:

±45° for roll and pitch

GC80 Dual Control unit

   

Enclosure material

:

Aluminum

Environmental protection

:

IP22

Color

:

Black

Temperature range

   

Operating

:

-10 - 50°C (14 - 122°F)

Storage

:

-25 – 70°C (-13 – 158°F)