Wärtsilä SAM 4683

Wärtsilä SAM 4683 is a 2-axis doppler log and provides additional docking information by calculating the transversal speeds at bow and at stern. Information is displayed on a large, high resolution graphic LCD. Display graphics are continuously shown on the LCD along with complete navigation details. All IMO requirements are met or exceeded. Comprehensive interfaces are available including NMEA0183 input and output.

    Features
    • Operator unit contains a graphic dot-matrix color TFT LCD display
    • Operator unit with various user-selectable information layouts
    • Operator unit power supply options are 230 V AC or 24 V DC
    • Transducer consists of a total of 3 hydroacoustic 270 kHz elements for the 2-axis log function
    • Transducer can be connected to a transceiver electronics  cabinet at distance up to 40 m
    • Connection from transceiver to operator unit via serial RS-422 data link up to 300 m distance
    • Transceiver power supply options are 230 V AC or 24 V DC
    System overview
    system-overview-4683

    Transducer and Transceiver
    Wärtsilä SAM 4683 transducer consists of a total of 3 hydro-acoustic 270 kHz elements for the 2 axis log function. The transducer can be connected to a transceiver electronics cabinet at distances up to 40m. The connection from the transceiver to the operator unit is via a serial RS-422 data link and may be up to 300 m. Transceiver power supply options are 230 V AC or 24 V DC. The power consumption is approximately 80 Watts at 115 / 230 V AC or 60 Watts at 24 V DC.

    Operator Unit
    The operator unit contains a graphic dot-matrix color TFT LCD display and a keyboard with fixed keys, softkeys and a rotating encoder. The function of each softkey button depends on the active screen, and the buttons are labelled on the lower rim of the LCD. The display is backlit, and backlight intensity can be adjusted by the user. Various user-selectable information layouts, adapted to typical operational situations, can be displayed continuously on the LCD screen. The operator unit is normally flush mounted. Brackets for bulkhead mounting are available optionally. Operator unit power supply options are 230 V AC or 24 V DC. The power consumption is approximately 70 Watts at 115 / 230 V AC or 50 Watts at 24 V DC.

    Standard Functions
    standard-functions-4683
    Technical Data
    Wärtsilä SAM 4683 Technical Data
    Power supply AC: 220 V / 110 V 50/60 Hz
    DC: 20 - 40 V
    Power consumption Max 100 W
    Display 150 x 200 mm (10.4 inch) Colour LCD screen with adjustable backlight
    Main cabinet colour RAL 9005
    Memory For retaining operational settings
    Speed range ± 40 kts in both axis
    Bottom lock 1 - 150 m
    Water track Less than 3 m below transducer
    Frequency 270 kHz / beam width 3 x 5,5°
    Output power 50 W / element adjustable
    Accuracy 1% of speed or 0,1 kn whichever is greater
    Outputs - 3 x Analogue 0 - 10 V and 4 - 20 mA
    - 2 x NMEA 0183 / RS 232 / RS 422
    - 3 x 10 / 100 / 200 / 400 / 1000 pulses per Nm
    - Alarm relay output
    - VGA, for Remote Display
    Inputs - From transducer (speed, depth and temperature)
    - From Gyro Heading and Rate of Turn Information
    - NMEA 0183 / RS 232 / RS 422
    - Built-in test simulator
    Languages English, French, German, Spanish, Russian, Norwegian
    Classification IMO / DNV
    Echosounder*
    Range Max. 100 m
    Frequency 270 kHz
    Output power 100 W adjustable
    Measuring accuracy Better than 2,5%
    Depth alarms Depth and shallow limits
    * echosounder function is not IMO certified and is supplied as an additional feature

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