NAVIS NavDP 4000. Operation Manual
NOTE!
if more than two rudders are used data from the other rudders are not
taken into account for ROR and RSA messages.
RSA Message: Rudder Sensor Angle
The message format:
$--RSA,x.x,A,x.x,A*hh
where
x.x
— Starboard (or single) rudder sensor
Value
Condition
Relative rudder angle
“
−
” — bow turns to port, unsigned — to STBD
Empty
Data invalid / no data
A
— Status
Value
Condition
A
Data valid
V
Data invalid / no data
x.x
— Port rudder sensor
Value
Condition
Relative rudder angle
“
−
” — bow turns to port, unsigned — to STBD
Empty
Data invalid / no data
A
— Status
Value
Condition
A
Data valid
V
Data invalid / no data
hh
— Checksum
Example
$RCRSA,-22.0,A,34.0,A*7B
TRC Message: Thruster Control Data
The message format:
$--TRC,x,x.x,a,x.x,a,x.x,a,a*hh
where
x
— Number of thruster, bow or stern
Value
Condition
Odd
Bow thruster
Even
Stern thruster
x.x
— RPM demand value
Value
Condition
±
(
0
−
100
)
%, from zero to maximum
RPM
FPP / CPP (combined control) thruster is in use, “
−
” —
port
0
−
100 %, from zero to maximum thrust
Waterjet is in use
Empty
CPP (constant RPM) thruster is in use / Thruster is not
used
297
Doc. 000.JDP-10000-OME, rev.3.3.13/“2102.$–17A-Advanced”
