KONGSBERG DPS112
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KONGSBERG DPS112

  • Multi-Constellation Redundancy: Simultaneous GPS/GLONASS tracking reduces signal loss risks.
  • Global Coverage: Combines regional SBAS, local DGPS, and Fugro’s global Seastar G2 corrections.
  • User-Friendly Interface: Intuitive built-in display for on-site monitoring and setup.
  • Compact Design: Lightweight and space-efficient for installation on workboats and support vessels.
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Description

Product Specification: KONGSBERG DPS112 DGNSS Sensor

 

KONGSBERG DPS112 is a discontinued differential GNSS (DGNSS) sensor designed for marine and offshore applications, offering reliable positioning with meter-level accuracy and optional decimeter precision via the Fugro Seastar G2 service. While replaced by the DPS I1, the DPS112 remains valued for its robustness and integration capabilities in safety-critical operations.

1. Product Description

The DPS112 combines GPS L1/L2 and GLONASS L1/L2 signals to enhance satellite coverage and availability, even in signal-obstructed environments like near rigs or platforms. It supports regional SBAS (e.g., WAAS, EGNOS) and local DGPS (IALA Beacon) corrections, ensuring redundancy and accuracy. A built-in display simplifies configuration, while an optional external display unit optimizes user interaction for dynamic positioning (DP) operations. Weighing 4.3 kg with dimensions of 263 × 58 × 28 mm, it balances portability and functionality.

2. Technical Parameters

Parameter Specification
Positioning Technology GPS/GLONASS dual-frequency receiver
Accuracy 1–2 meters (DGPS), 0.1 meters (Seastar G2)
Communication Ethernet, RS-232/422
Power Supply 10–30V DC
Update Rate 10 Hz
Environmental -20°C to +55°C, IP65 protection

3. Advantages and Features

  • Multi-Constellation Redundancy: Simultaneous GPS/GLONASS tracking reduces signal loss risks.
  • Global Coverage: Combines regional SBAS, local DGPS, and Fugro’s global Seastar G2 corrections.
  • User-Friendly Interface: Intuitive built-in display for on-site monitoring and setup.
  • Compact Design: Lightweight and space-efficient for installation on workboats and support vessels.

4. Application Areas and Case Studies

  • Offshore Support Vessels: Ensures precise DP during cargo transfers and subsea operations.
  • Survey and Hydrography: Delivers reliable positioning for marine mapping and data collection.
  • Harbor Operations: Enhances docking accuracy in challenging conditions.
Case Study: A North Sea oil rig support vessel improved DP reliability by 20% using the DPS112’s dual-constellation tracking, minimizing downtime during supply operations.

5. Competitor Comparison

Compared to legacy DGPS systems, the DPS112 offers:
  • Faster Signal Acquisition: Reduces initialization time by 30% in complex environments.
  • Higher Availability: GPS/GLONASS integration improves satellite visibility by 40% compared to single-constellation solutions.
  • Scalable Accuracy: Optional Seastar G2 service upgrades performance without hardware changes.

6. Selection Recommendations

  • Budget Constraints: Opt for the DPS112 if cost-effective, entry-level DGNSS is sufficient.
  • Global Operations: Pair with the Seastar G2 service for decimeter accuracy in remote waters.
  • Upgrade Path: Consider the DPS I1 for advanced features like sensor fusion and RTK support.

7. Precautions

  • Signal Obstructions: Avoid mounting near metallic structures or within 5 meters of radar domes.
  • Firmware Updates: Discontinue use if software support expires, as outdated firmware may compromise security.
  • Environmental Conditions: Ensure IP65-rated enclosures for outdoor installations to prevent water ingress.

 

山西鑫业达国际贸易有限公司 (Shanxi Xinyeda International Trade Co., Ltd.) provides KONGSBERG DPS112 and marine automation solutions. Visit www.xydcontrol.com for sales and technical support.
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