System Description
20221032 / E 3
1.3 System Components
A basic AP50 system may consist of the following units (refer to
Figure 1-1):
• AP50 Control Unit with accessories
• Heading Sensor
• Rudder Feedback Unit with transmission link
• Junction Unit
• Drive Unit
The basic system can be expanded with remote control unit,
hand held remote and steering lever.
Figure 1-1 AP50 Basic system
1.4 AP50 Control Unit
This compact autopilot control for panel, bulkhead- or bracket-
mounting has a rotary course knob and a large LCD for readout
of autopilot data. It also has two Robnet connectors for system
interconnection and expansion.
1.5 Junction Units
The junction unit in the AP50 autopilot system contains the
steering computer, interface circuits to all system components,
and drive circuits for the drive unit motor and clutch. Two
models, J50 and J50-40, are available.