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Simrad AP26 and AP27 Autopilots
140 20221586B
8.14 NMEA and SimNet messages
NMEA0183 messages and data overview for AC10, AC20, AC40
Message ident.
HDG
HDM
HDT
RSA
MWV
2)
VPW
2)
DBT
DPT
MTW
VHW
2)
VLW
VBW
GGA
GLL
RMA
Data source:
(n/p/h=nav/pos/heading source, c=calculated)
: h h h c ppp
Accept. cond
. (N=nav. flag, P= pos. flag)
: PPP
Status flag P* P P
Compass_Data
Compass heading, M
1)
21
Compass heading, T 3
Rudder_Data Rudder angle 1
Wind_Data
Apparent wind angle
1)
1
Apparent wind speed
1)
1
True wind angle 1
True wind speed 1
Velocity made good to windward
1)3)
1
Depth_Data Depth ref transducer 1 2
Transducer-Keel Offset 1
Speed_Temp_Data
Speed through water
1)
12
Log distance and trip 1
Water temperature 1
Gps_Data
Present position Lat, Lon
1)
412
COG, T 1
COG, M
1)
Magnetic variation 1 5
SOG
1)
1
Nav_Data
To-wp position
1)
To-wp ident.
Bearing wp-wp, T
Bearing wp-wp, M
1)
Bearing pos-wp, T
Bearing pos-wp, M
1)
Distance pos-wp
1)
XTE
1)
Waypoint closure velocity
1)
Steering_contr1 Heading steering cmd, T / M
AC NMEA-1 Rx:
xxxxxxxxxxx
AC NMEA-2 Rx: x x x xxxxxxxxxxx
AC NMEA-1 TX:
Transmission interval in sec.-> 1 1 1 1 2
AC NMEA-2 TX:
.1* 1 .1* .2
1. Information required to operate in WIND
N
mode
2. Recommended sentences for operating in WIND
N
mode
3. If the VPW sentence is not available, the autopilot will calculate the
VMG internally.