Simrad AP50 Autopilot
4 20221032 / E
1.6 JD5X Distribution Unit
The JD5X series distribution unit replaces the J50 Junction Unit
in an AP50 Autopilot Plus System.
The Plus System is made for steering gears with dual analog
control or direct operation of dual directional valves.
The JD5X units contain the steering computer and interface
circuits to all system components. Depending on model it
contains drive circuits for directional valves or analog steering
gears. The following models are available: JD50 (low DC
solenoid supply), JD51 (high DC solenoid supply), JD52 (AC
solenoid supply) and JD53 (analog output).
Refer to the AP50 Installation Manual P/N 20222410 (Plus
System).
1.7 Rudder Feedback Units
RF300 Rudder Feedback Unit
This rudder feedback unit with transmission link and 10 m (30
feet) of cable transforms the angular travel of the rudder to a
digital signal read by the autopilot steering computer. It is to be
used on small to medium size vessels.
RF45X Rudder Feedback Unit
This rudder feedback unit with T45 transmission link and 2 m (6
feet) of cable transforms the angular travel of the rudder to a
digital signal read by the autopilot steering computer. It is to be
used on medium to large size vessels.
RF14XU Rudder Feedback Unit
This unit can replace the RF45X 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.
1.8 Heading Sensors
The AP50 autopilot system can be used with the following
combinations of heading sensors:
RC25 Rate Compass
The fluxgate compass with an integrated rate of turn sensor
provides a dramatic improvement to the dynamic performance of
both the autopilot and any stabilized radar display.
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