Simrad AUTOPILOT SYSTEM AP50 User Manual
Page 71
(A
PA)
AP
B
BO
D
B
WW
BW
C
BW
R
RM
B
XT
E
XT
R
GGA
G
LL
RM
A
RM
C
VT
G
*V
B
W
VHW
(D
BK
)
DB
T
*D
PT
MW
V
(V
W
R
)
*HD
T
*HDG
(H
D
M
)
*RS
A
HS
C
*HT
D
Remarks:
N N N N N N N N N N N N N N
I
I
I
I
I
I
I
C
C
C
A A A
n
n
n
n
n
n
n
n
n
p
p
p
p
p
Status flag
n/p= nav/pos data warning
n
n
n
n
n p* p
p
p
* DGPS if flag=2
10
Nav Data
Destination wp position
2
1
3
10
45
Destination wp ident.
6
7
5
1
3
2
4
10
45
Origin wp ident.
3
1
2
10
45
Bearing wp-wp, T
3
4
2
1
10
45
Bearing wp-wp, M
3
4
2
1
10
45
Bearing pos-wp, T
4
2
1
3
10
45
Bearing pos-wp, M
3
2
1
10
45
Distance pos-wp
2
1
3
10
45
XTE
4
5
2
3
1
10-20
6
20
Position Data
Present position Lat, Long
4
1
2
3
20
60
COG, T
1
2
3
20
45
COG, M
1
20
45
Magnetic variation
3
2
5
6
4
1*
*Only applicable if received on set nav. source ch.
10
70
Speed Data
Speed over ground (SOG)
1
2
3
2
15 45
Speed through water (LOG)
2
1
na
15 45
Depth Data
Depth relative to transducer
1
2
3
na
45
Wind Data
Apparent wind angle
2
1
na
45
Apparent wind speed
2
1
na
45
Heading Data
Compass heading, T
1**
3
2*
TX
2
4
2
Compass heading, M
1
3
2
TX
2
4
2
Rudder Data
Rudder angle
TX
10
Rudder command
TX
8
Rudder angle limit
TX
8
Rudder status
TX
8
Steering control
Commanded heading T/M
TX TX
8
Commanded ROT/radius
TX
8
Selected steering mode
TX
8
Off heading limit
TX
8
Off heading status
TX
8
RX: J50-1, NI300X
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x*
x
x
x
x
x
J50-2
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
GI51
x* x*
x
x
x
.1 .1
.5 .2
.5
.5 .5
1*
1*
1 1 .1
5*
5*
1
5
5
5
10* 10*
1
1 .1
.1 .1
.5 .2
.5
.5 .5
1*
1*
1
1 .1
1**
10* 10*
10*
480
10 7 11 11 6
6
6 17 21 6 10 7
7 11 10 12 13 13 17 16 12 25
15 25 18 18 6
GI50
TX
ra
te
in
H
z
* PS talker identifier (relative. heading)
* Calculated as magn. heading + magvar.
** Relative (geared synch./step) if PSIM identifier
* J50-1 will only read speed, not heading
Ne
w m
es
s.
p
rio
rit
y
No data action
delay (sec)
* HDT if true, HDG if magn. steering compass
* Either true or magn. is calc. value if magvar is available
AP50 system, NMEA 183 messages
(applies for J50 and NI300X sw release V1R2 onwards)
NI300X
Sentence Formatter mnemonic code
Bold = recommended navigator/instr. output for autopilot
* = IMO designated ( ) = not for new designs
Data source:
(A=autop., C=comp., I=instr. system, N=navigator)
Accept. condition: No nav/pos (n/p) flag warning
N
um
be
r g
iv
es
R
X p
rio
rity
(1
is
lo
w
es
t);
T
X i
f tr
an
sm
itt o
nl
y;
F
or
*
re
f. c
ol
um
n "
R
em
ar
ks
"
* Option switch setting dependent
x = input messages accepted
TX
s
top
Al
ar
m
Rev B
TX: J50-1, 1Hz Installation setup
J50-1, 5Hz Installation setup
J50-1, VDR Installation setup
Max sentence transmission rate (Hz)
*Abs. head. only.; **For rel. head: PSIM talker id. and 10Hz
GI51
* Either true or magn. is calc. value if magvar is available
J50-2