PILOTSTAR D
3--8
3060.DOC012
Edition: March 13, 2009
3.5
Repair
3.5.1
Block Diagram of the I/O PCB
Power fail (CPU PCB)
Signalling
and steering
control
Serial
read--in
Hand/
Auto
DC
DC
DC
DC
Integral
400 Hz
Generation
Signal pro-
cessing
Monitoring
reference
Aco/Sperry
DC
DC
Integral
Selection
of steering
station
Pulses
Pulses
Signal processing
+ 5V supply
15V supply
ON signal for signal unit
ON signal for tiller
Activation for alarm relais
PORT
(Channel1)
PORT
(Channel2)
STBD
(Channel1)
STBD
(Channel2)
(Channel1)
(Channel2)
To feedback read in
(CPU)
Actual rudder indication
sin
cos
Rudder activation
(switching)
Rudder activation
(analog,
10V)
To sonde
read--in
Monitoring
Supply volt-
age (ship’s
mains)
32VDC
12/24VDC
Serial data
bus
Reference
ACO or
SPERRY step
(R1/R2)
Rudder signal
from CPU
PCB
Feedback unit
15V
+ 5V
+ 5V
+15V
-- 15V
+ 5V
Magnetic
sonde
S2
S3
S1
Fluxgate
sin
cos
/
3
/
3
/
6
/
4
/
6
/
2
/
2
Electr.
isol.
Electr.
isol.
Electr.
isol.
Electr.
isol.
Summary of Contents for AP02-S01
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