KGC-1 Chapter
7
Operation Manual
Technical References
Chapter 7 Technical References
7.1 Detail of the serial output data
Serial data name: NMEA0183 Ver.2.0 or IEC61162-1
7.1.1 Start bit configuration of output data
A single bite data is configured as follows:
D 0 D 1 D 2 D 3 D 4 D 5 D 6 D 7
(TX+)
Start bit Stop bit
Logic0
Logic 1
1 bit1, logic 0
1 bit or more, logic 0
Data bit (ASCII code)
1 bit, logic 0
Parity bit: none
7.1.2 Serial data specification
Transmission
rate
Output data
level
Output
current
Output sentences
included
Refresh rate
4800 baud
RS-422
20mA max.
Refer to page 5-2
Refer to page 5-2
7.1.3 Detail of output sentences
Sentence
name
Data name and contents
NOTE: Checksum is a total sum of EX-ORed data that are put between the $ and asterisk
(*) signs.
HDT
Ship’s heading (True bearing)
$ GPHDT, xxx.x, T *hh <CR><LF>
HDM
Ship’s heading (Magnetic bearing)
$ GPHDM, xxx.x, M *hh <CR><LF>
Sentence name
Ship’s Heading
Checksum
Talker device code
Start of sentence
Checksum
Ship’s Heading
Sentence name
Talker device
Start of sentence
0093121652-04
7-1
