The Scandinavian Micro Systems SR01-02 Heading Repeater is a marine navigation instrument designed to display a ship’s heading (direction) and Rate of Turn (ROT). It’s a key component in a vessel’s navigation system, providing critical information to the bridge crew.
Technical Specification
Display:
- Heading Display: Super-bright LEDs, readable from over 10 meters.
- Heading Resolution: 0.1 degrees.
- Rate of Turn (ROT) Display:
- Analog Turning Indicator™ (ATI): Ring of 36 LEDs showing turning direction and proportional rate.
- Numeric ROT Display: 2-digit LED display, showing up to 99 degrees per minute (flashes when over 99 deg/min). Resolution of 1 degree per minute.
- Heading Source Identification: LEDs for GYR (gyrocompass), MAG (magnetic compass), or SAT (satellite compass).
Input Data:
- Protocols: Accepts NMEA sentences (IEC 61162-1/-2, both SOLAS compliant and older versions).
- Proprietary Protocols: Supports various proprietary protocols including:
- Raytheon Anschütz: Course-Bus
- Sperry Marine: PPLAN, PPLAR
- Tokyo Keiki (Tokimec), Robertson: RGC 11 protocol
- Baud Rates: Auto-selects 4800, 9600, 19200, and 38400 b/sec.
- Max Update Rate: 50 times per second (at 38400 baud).
Power Supply:
- Mains Voltage: 24V DC (+10%, -20%)
- Current Consumption: 0.3A (maximum 8W at full brilliance)
Environmental:
- Operating Temperature: -25°C to +55°C
- Storage Temperature: -25°C to +70°C
- IP Rating: IPx6 (Approved for Bridge wings installations, meaning it’s protected against powerful jets of water).
- Compass Safe Distance: 10 cm
Physical:
- Dimensions: 192 mm (width) x 96 mm (height) x 40 mm (depth)
- Net Weight: 1.0 kg
- Material: Aluminium Alloy: 6082 / Black Anodized 20 µm / Cradle is Powder Coated Black.
- Mounting: Direct Panel Mounting or Cradle Mounting (cradle included).
- Cable Connection: 3-meter pig-tail cable with IP67 plug included.
Compliance & Certifications:
- SOLAS Compliant: Meets IMO Res. A.694(17), IEC 60945 (2002) incl. Corr.1 (2008), IEC62288 (2014).
- Type Approved: DNV-GL (e.g., Certificate No: A-14281, Job Id: 262.1-003629-3 for the SR01-02 Mk2, similar for Mk3).
Additional Features:
- Remote Brilliance Control: Option for external brilliance control unit (SR01-06Mk2).
- Alarm Functions: Display flashes for errors in unit, received data, or alarm codes from sender. Circular buffer for last 16 alarm events.
- Polar Mode Option: Prioritizes Satellite Compass Heading display via internal DIP switches.
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