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Page 1-2 Robertson AP45 Autopilot
General Information
Simrad Robertson AS
Egersund - Norway
1. Magnetic compass with CD109 Course Detector
2. RFC35NS Fluxgate compass*
3. Gyrocompass (using optional G40A or G45 Interface Unit)
*) For other types of Fluxgate Compass the FI100-40 Fluxgate Interface must be
used.
CD109 Course Detector
CD109 is a magnetic sensor in moulded plastic which is mounted on the vessel's
magnetic compass to transfer the heading to the control unit.
RFC35NS Fluxgate Compass
This is an electronic sense unit with NMEA- and sine/cosine output. The compass
has a 0,3 m ”pigtail” cable. RFC35NS substitutes the RFC250 Fluxgate compass.
RFC250 cable (P/N 20183554) is necessary at new installations.
G40A/G45 Gyro Interface Unit
The gyro interface unit is connected between the AP45 and a gyro compass. It
utilises the repeater signal output from the gyro compass to generate a sine/cosine
heading signal for the autopilot.
G40A to be used with stepper or geared synchro signal. G45 to be used with
synchro 1:1 signal.
FI100-40 Fluxgate Interface
FI100-40 is an interface unit to be connected between the AP45 and an electronic
fluxgate compass with sine/cosine output, e.g. VDO, Marinex, Sowester, Brooks &
Gatehouse.
RF45X Rudder Feedback Unit
This unit transmits two electrical signals proportional to the rudder angle. One
signal operates as a feedback for the autopilot, the other as drive signal for rudder
angle indicators. The unit is mounted close to the rudder stock and is mechanically
connected to the rudder by the T45 Transmission link.
RF14XU Rudder Feedback Unit
This unit can replace the RF45 Rudder Feedback Unit in installations where a
more rugged construction of the feedback unit is preferred. Besides electronic
circuitry to generate feedback signals for the autopilot and rudder angle indicators
it has been provided with 2 sets of limit switches. RF14XU can not drive the RI101
Rudder Angle Indicator, but all other types of Robertson indicators.
Rudder Feedback
Units