PILOTSTAR D
Autopilot
4--33
Edition: March 13, 2009
3060.DOC012
4.13
A Guide to when which Parameters must be Set
:
marked parameters must be set every time the ship is put into operation in the har
bour or during test runs. The parameters should be noted in the appropriate areas.
No. Parameter
When
Why
How
1
COMPASS
Initial putting into operation (e.g.
setting magnetic compass or
gyro compass) or in case of a de-
fective heading sensor.
Heading sensor serves as heading reference for the
PILOTSTAR D.
Note: This parameter is not shown when only for the gyro
compass or the magnetic compass.
2.1.5
2
VARIATON
For a magnetic compass.
Note: The parameter is only
not shown in case of the
gyro compass.
Compensates for errors from the magnetic compass. The
value results from the combined magnetic heading correction
value
VARIATION
(see sea chart) and from the
DEVIATION
value taken from the deviation table referred to the ship (opera-
tional parameter).
3
TRACK LIM TRACK operating mode.
Setting
At which track error an
alarm is to be generated.
Used to ensure track monitoring.
Defines the monitoring limits to the left or right of the track. An
OFF TRACK warning is emitted when a limit is reached.
2.3.2
4
OFF HEAD-
ING
HEADING CONTROL operating
mode.
Setting
At which track error an
alarm is to be generated.
Used to ensure HEADING CONTROL.
Defines the monitoring limit for the set heading/actual heading
deviation in HEADING CONTROL operating mode. An OFF
HEADING warning is emitted when the limit setting is
exceeded.
2.3.3
5
RoT
/ MIN
Feature is active when in HEAD-
ING CONTROL and TRACK ope-
rating modes..
Setting
As required
Defines the rate of turn for the ship during a heading or track
change manoeuvre.
2.3.1
6
RUD.LIM
HEADING CONTROL or TRACK
operating mode.
With this value, the maximum permissible rudder position in
degrees is to be adjusted, which, for safety reasons, must not
be exceeded by the steering gear during autopilot operation.
2.3.4
7
YAWING
TRIM YAW
HEADING CONTROL or TRACK
operating mode.
Setting
Dependent on swell.
The YAWING setting defines the rudder activity and the head-
ing accuracy of the PILOTSTAR D.
The optimal setting is determined from the conditions:
YAWING tendency = 1, means control with the greatest
activity (maximum amplification
factor)
YAWING tendency = 6, means control with the least activity
(minimum amplification factor)
When not set correctly, the steering gear can be overworked.
Off-- headings are caused by large rudder angles.
2.3.1.1
8
RUDDER
TRIM RUD
HEADING CONTROL operating
mode.
Set during
Initial putting into operation, test
run
Every heading deviation must be corrected by a rudder value
specific to the ship. The RUDDER setting defines the realtion
between the rudder angle and the heading error.
RUDDER tendency too great:
--unstable behaviour
"
over--reaction during a heading
correction
"
overswing during a heading change
RUDDER tendency too low:
--Heading control too inaccurate
"
preset R.o.T. not achieved during
heading change manoeuvre.
2.3.1.1
Summary of Contents for AP02-S01
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