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Page 7-6 Robertson AP45 Autopilot
Trouble shooting
Simrad Robertson AS
Egersund - Norway
Step through the loop by pressing the WEATHER button.
Display text Explanation
Measured rudder angle in degrees. S =
Starboard, P = port.
Rudder command from autopilot. S = Starboard,
P = port.
Compass heading
Measured turn rate in °/min
Measured sine component of compass signal.
Reference for the sine signal.
Measured cosine component of compass signal.
Reference for the cosine signal.
Measured sine component of fluxgate signal.
Measured cosine component of fluxgate signal.
Measured signal on Follow-Up input.
Data readout directly from the RAM-address.
The AP45 software has a combination of factory set parameters related to the
length of the vessel as displayed in the installation loop.
Selected
length
Autotrim Counter Rudder
Time Constant
Turn
Initiate
Rate of turn
0-50ft. 48 sec. 1.0 sec. 30 240°/minute
40-70ft. 64 sec. 1.0 sec. 30 210°/minute
60-100ft. 80 sec. 1.5 sec. 25 180°/minute
90-130ft. 96 sec. 2.0 sec. 25 150°/minute
120- - ft. 96 sec. 2.5 sec. 20 120°/minute
In addition the COUNTER RUDDER values (magnitude) has the following scale:
OFF = 0.0, LOW = 0.4, MED = 0.8, HIGH = 1.2
DEBUG MODE
RUDD.ANG: S02.2°
DEBUG MODE
RUDD.COM: S02.7°
DEBUG MODE
HEADING: 158.9°
DEBUG MODE
TURN: 00.2°
DEBUG MODE
COMP.SIN: 3.26V
DEBUG MODE
REF.SIN: 2.45V
DEBUG MODE
COMP.COS: 0.89V
DEBUG MODE
REF.COS:2.58V
DEBUG MODE
FLUX.SIN:1.43V
DEBUG MODE
FLUX.COS: 3.58V
DEBUG MODE
FU-INPUT:2.51V
DEBUG MODE
DEBUGAD: 8205[55]