MK27F

Attitude and Heading Reference System

Technical Specifications


PERFORMANCE
Accuracy

Heading

0.35° secant (Lat) 1?

Roll, Pitch

0.1° 1?


Dynamic Motion

Roll

±40 Deg

Pitch

±15 Deg

Yaw ±10 Deg
Speed -10 to 90 Knots


Settling Times at Sea

Coarse Align

<25 minutes

Full Accuracy

<2 hours


SIZE AND WEIGHT

Height

41.8 cm (17.4 in)

Width

34.8 cm (12.0 in)

Depth 31.2 cm (12.3 in)
Weight 25 kg / 55 lb


SYSTEM INPUTS
Serial Data Inputs


4 channels RS422. Each channel accepts GGA, GLL, GNS. VBW, VHW and VTG NMEA messages


System Power


24 VDC, 50 Watts


SYSTEM OUTPUTS
Analog Outputs


Step Heading Output

24VDC, 6 steps per degree


Synchro Output Channels


2 channels

Selectable H, R, P

Selectable 1X - 36X


Vital Reference Output


Internally generated

115 VAC, 400 Hz

50 Watt maximum


Serial Data Outputs


4 channels RS422. Message set for each channel individually configurable for messages and message rates


ENVIRONMENTAL CONDITIONS
Temperature

Operating

-25° to +65°C (-13° to +167° F)

Storage

-40° to +75°C (-40° to +167° F)


Humidity

 

95% Relative


Shock

 

MIL-S-901D


Vibration

 

MIL-STD-167-1 for Type I equipment


EMI/RFI

 

MIL-STD-461E


Magnetic Immunity

 

5 Gauss Operation


Air Borne Noise

 

MIL-STD-740-1 Grade C

 


Sealing

 

Watertight per MIL-STD-810 Method 509.3





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