Chapter 6 OPTION FUNCTIONS
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6.2 NMEA CABLE
The JMA-1030 series has 3 channels NMEA signal input allowing connecting to navigation equipment, such
as GPS, for own position, waypoints and speed for MARPA tracking.
It also allows connecting a GPS compass for your heading (and MARPA tracking) and / or AIS for displaying
targets.
In order to use the above function, NMEA cable is required.
・Using JRC GPS receiver, please connect NMEA1.
・Using JRC NSK, please connect NMEA3.
・AIS connects all NMEA port available.
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/G LL/ RMC/ZDA
V2.3: GGA/GLL/RMC/GNS/ZDA
(Talker= "G P" etc.)
Information classification about a ship -- the time entry; -- GGA/G NS/G LL/RMC
Day and time entry: ZDA
Time entry of equipment: ZDA/GGA/GNS/GLL/RMC
IEC61162-1 / 2 (considerable) Priority of data :
L/L: GGA>RMC>RMA>GNS>GLL
SOG/COG: RMC>RMA>VTG
Log speed: VBW>VHW
HEADING: THS>HDT>HDG>HDM
DEPTH: DPT>DBT
WATER TEMP: MTW
AIS: VDM,VDO,ALR
WIND: MWV>VWT,VWR
WAYPOINT: RMB>BWC>BWR
6.3 RECTIFIER UNIT
The input voltage range is from DC +10.8V to DC +31.2V. (DC12-24V, -10%+30%).Power dissipation is
about 50W. If ship’s DC battery power supply is not enough to the operation of this radar, we strongly
recommended that to you use this rectifier unit.
AC /DC power converter unit : NBD-865.
NBD-865 specification
Input voltage range AC100/220V
Output voltage range DC24V
Bearing signal
JRC-NSK format (JLR-10/20/30)
IEC61162-1/2(considerable)
4800bps/38400bps:THS>HDT>HDG>HDM
Speed signal
IEC61162 4800 bps :VBW, VHW
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