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R4 AIS

Automatic Identification System (AIS)

Specifications

 

Physical
Transponder Size: 144 (W) x 85 (H) x 226 (L) mm
Weight: 2/3 kg
Display Size: 102 (W) x 207 (H) x 270 (L) mm
Weight: 1.1 kg

 

Power
Input 24 VDC (230 / 100 vac with converter)

 

Power Consumption
Transponder 15 W (50 W peak)
Display 7.5 W

 

GPS Receiver (AIS internal)
Receiver 12 ch (ready for DGPS)
Frequency L1 (1575, 42 MHz)
Update rate 1 Hz
Position accuracy (SA off)
Position <1 m DGPS (CEP)
Position <16 m GPS (CEP)

 

Electrical Interfaces
Eight data ports RS422
Port Default speed (bps) (configurable from 1 200-115 200 bps)
Pilot In / Out 38400
ECDIS In / Out 38400
Long Range In / Out 9600
Sensor 1 In 4800
Sensor 2 In 4800
Sensor 3 In 4800
Aux In 9600
Display In / Out 57600

 

Connectors
Transponder data port 50 pin D-sub (M)
Transponder power 9 pin D-sub (M)
GPS antenna connector TNC female (50_)
VHF antenna connector BNC female (50_)
Display data port 18 pole Conxall Maxi-Con-X
Display power 3-pole Mini-Con-X
Power and data interfaces to be connected on rail terminals or in junction box

 

 

Cables (recommended)
Antenna, VHF and GPS RG214 / U
For sensors, e.g., Gyro RFE-HFI 2x2x0, 75 mm2
Transponder to Display RFE-HFU 4x2x0, 75 mm2
Power cables Transponder LKM-HF 3x2, 5 mm2 and display

 

VHF Transceiver
Frequency 156-163 MHz
Output power 2 / 12, 5W (±1.5 dB)
Channel bandwidth 25 / 12, 5 kHz
Channel step 12.5 kHz
Bit rate 9600 bps
Intervals between position reports 1-18 s
Modulation FM-GMSK / GFSK
Transmitter 1
Receivers 3
DSP based transeceiver
Sensitivity < 107 dBm

 

Environmental
Protected environment IEC 60945
Operating temperature -15° to +55°

 

Compliant With the Following Standards
IMO Performance Standard for AIS
MSC 74(69) Annex 3
ITU-R M.1371-1
IEC 61993-2 (Standard for Calss A mobiles)
IEC 61162-1/2 Edition 2 (NMEA 0183, Version 3.0)
Input: (ABM, ACA, ACK, AIQ, AIR, BBM, DTM, GBS, GGA, GLL, GNS, GSA, GSV, HDT, LRE, LRI, OSD, RMC, ROT, SSD, VBW, VSD
Output: (ABK, ACA, ACS, ALR, LRE, LRI, LRI, LR2, LR3, SSD, VDM, VDO, VSD, TXT)
IEC 60945 (ed 4)
IaLA technical clarifications on ITU R M.1371-1
IALA Guidelines on AIS

 

Approval
Type approved
Wheelmark
CE approval