Simrad Robertson AP9 Mk3, Инструкция по эксплуатации, Страница: 94 / 202

Robertson AP9 Mk3 Autopilot
5-4
20169223D
5.4 Heading sensors
Note !
In the case of dual station system, the heading sensor shall be connected
only to the main control unit.
General
The AP9 MK3 is capable
of reading most types of
heading reference sensors.
These can be magnetic
compasses, fluxgate
sensors or gyrocompasses.
Combination of different
sensors can be made, the
maximum configuration
is: 2 magnetic compasses,
1 gyro compass (synchro),
1 gyro compass (stepper),
1 gyro compass (current
loop) and 1 fluxgate
compass.
Two gyros of same type
cannot be used simul-
taneously, e.g. 2 synchros
or 2 steppers or 2
fluxgates.
Note !
A gyro compass with only
serial data output, can not be used in a dual station configuration.
When delivered from the factory, the AP9 MK3 is prepared for
magnetic compasses and fluxgate compass. Gyro compass with
serial/current loop output may also be directly connected, but SW1-6
on the Interface Board must be set to ON position. For connection to
other types of gyros, the AP9 MK3 Gyro Interface Board is required,
and switches on the Interface Board must be set to correct position.
See page 5-58.
Desired steering compass and Monitor compass are selected by
means of the COMPASS SELECT button and the
INCREASE/DECREASE button on the front panel. See page 2-6.
Magnetic compass
To obtain an accurate heading from the magnetic compass, great care
should be taken when determining the location of the compass. If
possible, select a location that provides a solid horizontal mounting
base, free from vibration and as close to the vessel's centre of roll and
pitch as possible. It should be as far as possible from disturbing
3
6
9
10
8
6
1
2
1
2
H
H
L
L
OUT
IN
B
OUT
IN
IN
SERIAL HEADING DATA
COMM. LINE
(DUAL ST./RMP)
COMM. LINE
(DUAL ST./RMP)
HEADING
NMEA (HDT/HDM)
NAV. RECEIVER
(NMEA)
AP9 MK3
CHANNEL A
CHANNEL B
NOTE: In Dual Station configuration, serial heading data
can not be connected to J3, 1-2.
H
H
L
L
OUT
IN
A
OUT
IN
J4
J4
J3
Fig. 5-5
Serial line connections