Simrad AP27 Nmea and SimNet messages, NMEA0183 messages and data overview for AC10, AC20, AC40

Simrad AP26 and AP27 Autopilots

8.14NMEA and SimNet messages

NMEA0183 messages and data overview for AC10, AC20, AC40

HDG

HDM

HDT

RSA

2)

2)

DBT

DPT

MTW

2)

VLW

VBW

GGA

GLL

RMA

Message ident.

MWV

VPW

VHW

Data source: (n/p/h=nav/pos/heading source, c=calculated):

h

h

h

c

p

p

p

Accept. cond. (N=nav. flag, P= pos. flag):

P

P

P

Status flag

P*

P

P

Compass_Data

Compass heading, M 1)

2

1

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)

1

2

Log distance and trip

1

Water temperature

1

Gps_Data

Present position Lat, Lon 1)

4

1

2

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:

x

x

x

x

x

x

x

x

x

x

x

AC NMEA-2 Rx:

x

x

x

x

x

x

x

x

x

x

x

x

x

x

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 WINDN mode

2.Recommended sentences for operating in WINDN mode

3.If the VPW sentence is not available, the autopilot will calculate the VMG internally.

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