|
|
|
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)
|