Chapter 6 OPTION AND OTHERFUNCTIONS
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Chapter 6 OPTION AND OTHER FUNCTIONS
6.1 NMEA CABLE
The JMA-3400 series has 4 channels NMEA0183 signal input and 1 channel CAN signal input allowing
connecting to navigation equipment, such as GPS, for own position, waypoints and speed.
It also allows connecting a GPS compass for your heading and/or AIS for displaying targets.
In order to use the above function, CAN cable (option or commercial) is required.
࣭Using JRC GPS receiver, please connect NMEA4 (GPS port).
࣭AIS connects all NMEA port available.
<NMEA0183>
The data are received by IEC61162-1/2.
Telecommunications standard NMEA0183 / IEC61162-1/2 is not conformity at all
Communications protocol 4800 bps, start 1bit, data 8bit, stop 1bit, With no parity
Input sentence NMEA0183: V1.5: GGA/ GLL/ RMC
V2.0: GGA/ GLL/ RMC/ ZDA
V2.3: GGA/ GLL/ RMC/ GNS/ ZDA
(Talker= "G P" etc.)
Information classification about a ship -- the time entry; -- GGA/ GNS/ GLL/ RMC
Day and time entry: ZDA
Time entry of equipment: ZDA/ GGA/ GNS/ GLL/ RMC
IEC61162-1 / 2 (considerable) Priority of data :
Lat/Lon: GGA>RMC>RMA>GNS>GLL
SOG/COG: RMC>RMA>VTG
Log speed: VBW>VHW
HEADING: THS>HDT>HDG>HDM>VHW
DEPTH: DPT>DBT
WATER TEMP: MTW
AIS: VDM,VDO,ALR
WIND: MWV>VWT,VWR
WAYPOINT: RMB>BWC>BWR
<CAN>
For the CAN PGN supported by the JMA-3400 series, see “13.7 INPUT/OUTPUT SIGNAL.”
Bearing signal
IEC61162-1/2(considerable)
4800bps/38400bps:THS>HDT>HDG>HDM>VHW
Speed signal
IEC61162 4800 bps :VBW, VHW
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