Installation Manual

46 Issue 1 AIS Installation Manual
Bridge Layout Drawing: Position of all parts & interface pick-off points
3. Heading Sensor(s)* (  Tick appropriately )
Source Option A Option B
Manufacturer
Model
Type
 GyroCompass  GNSS Compass
 Fluxgate Compass
 Transmitting Magnetic Compass
 GyroCompass  GNSS Compass
 Fluxgate Compass
 Transmitting Magnetic Compass
Output NMEA Message
IEC 61162-2 RS422
Required:-  HDT  ROT**
Optional:-  OSD
Required:-  HDT  ROT**
Optional:-  OSD
If no NMEA
 Optional Gyro Interface
Unit (89-028) Required
 Synchro
Reference Voltage =
Phase Voltage = Frequency =
Ratio -  90:1  180:1  360:1
 Synchro
Reference Voltage =
Phase Voltage = Frequency =
Ratio -  90:1  180:1  360:1
 Stepper
 Positive Step  Negative Step
Step Voltage =
Ratio -  90:1  180:1  360:1
 Stepper
 Positive Step  Negative Step
Step Voltage =
Ratio -  90:1  180:1  360:1
Location
Cable length to
Transponder
m m
* Heading information is a mandatory sensor input to the AIS. A converter will be needed if the ship’s compass has no IEC61162 output.
** If a rate-of-turn indicator is available and it includes an IEC61162 output it should be connected to the AIS
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