Serial Input Data Sentence Detail - Koden MDC-1840BB Operation Manual

MDC-1840BB/1841BB/1860BB/1810BB/1820BB Series
Operation Manual

10.1 Serial input data sentence detail

Sentence name: IEC61162-1 or NMEA0183 Ver 2.30
Descriptions
(1) Data priority
Data such as waypoint display, own ship's position and the speed against water are
available from two different sentences in IEC61162-1. These data are prioritized as
follows:
Data name
Waypoint
Own ship's position
Own ship's speed against water
(2) Route display
In case the RMB/BWC and RTE/WPL sentences are all input, only routes are
displayed while the waypoint without route is not displayed.
(3) Checksum
Checksum is the total of all the EX-ORed data between the $ and asterisk (*) signs.
BWC Bearing & Distance to Waypoint
$ - - BWC, , xxxx.xxx, N/S, xxxxx.xxx, E/W, xxx.x, T, , , xxx.x, N, xxx, a *hh <CR><LF>
Sentence
format
Talker
device
Start of sentence
GGA Global Positioning System Fix Data
$ - - GGA, , xxxx.xxx, N/S, xxxxx.xxx, E/W, x, , , , , , , , , *hh <CR><LF>
Sentence
format
Talker
device
Start of sentence
93142122-07
Chapter 10 Technical References
Waypoint
Waypoint longitude
latitude
N: North
S: South
These fields are used.
longitude
latitude
N: North
S: South
This field is not used
Note for Talker
identifier:
Only GP (GPS) is accepted.
Available sentences
RMB and BWC
GGA and GGL
VBW and VHW
Waypoint
Bearing (true)
E: East
W: West
Distance to go (nm)
xx.xx: 00.00 to 09.99 nm
xxx.x 010.0 to 999.9 nm
Checksum
These fields are not used
E: East
W: West
GPS quality indicator
0: fix not available
1: GPS fix
device
2: DGPS fix
3 – 8: Not accepted in this sentence.
Chapter 10
Technical References
Priority
RMB>BWC
GGA>GLL
VBW>VHW
Checksum
Mode indicator
Waypoint ID
10-1