System Description
20221560E 11
1.4 AP16 Control Unit
A compact autopilot control for panel, bulkhead or bracket
mounting. It has a multifunction LCD display for readout of
autopilot data, mode keys and course adjust keys. It has two
Robnet2 connectors for system interconnection and expansion
and two SimNet connectors for control and data sharing with
other Simrad products. A NMEA2000 Adapter Cable is available
for interface through a SimNet port (page 131).
1.5 Autopilot Computer
The autopilot computer is the heart in the AP16 autopilot system.
It contains the steering computer, interface other system
components, NMEA 0183 interface and drive electronics for the
drive unit motor and clutch. Three models, AC10, AC20 and
AC40 are available.
Autopilot computer comparison chart:
AC10 AC20 (AC40)
Supply voltage 10-28 V 10-40 V
Motor current (continuous/peak) 6/12 A 10/20A (20/40A)
Clutch/bypass current 1,5 A* 1,5 A*
Number of control units 2 7
NMEA 0183 ports (input/output) 1 2
Solenoid output x x
Input for NFU control x x
External alarm x
Radar clock/data interface x
Input for NMEA compass x
* 3A on later models.
1.6 RF300 Rudder Feedback unit
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.
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