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Simrad AP26 and AP27 Autopilots
12 20221586B
Autopilot computer comparison chart:
AC10 AC20 (AC40)
Supply voltage 10-28 V 10-40 V
Motor current (continuous/peak) 6/10 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.
1.7 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.
1.8 Heading Sensors
The AP26 and AP27 autopilots can be used with the following
combinations of heading sensors:
RC36 Rate compass
Fluxgate compass with integrated rate sensor. Provides a dramatic
improvement to the dynamic performance of both the autopilot
and a stabilized radar display.
RC36 comes as standard with the autopilot.
RFC35 Electronic Fluxgate Compass
(optional)
A compact heading sensor from Simrad with 15 m (45 feet) of
cable. The direction of the earth's magnetic field is sensed by a