Description

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1. Product Title

KONGSBERG MRU-E-CS1-3M – Marine Motion Reference Unit (MRU) Sensor Module

2. Product Overview

The KONGSBERG MRU-E-CS1-3M is a high-precision motion reference unit (MRU) designed for marine navigation, vessel monitoring, and dynamic positioning applications. Manufactured by Kongsberg Gruppen, this module provides accurate measurements of roll, pitch, heave, yaw, and acceleration for ships, offshore platforms, and autonomous maritime vehicles.

The MRU-E-CS1-3M integrates advanced MEMS sensors with robust signal processing to deliver reliable motion data in real time, even under extreme sea conditions. It is typically used to provide critical input to dynamic positioning systems, motion compensation platforms, and onboard navigation systems. Its rugged design ensures high reliability in harsh marine environments, while its compact modular form factor allows easy integration into vessels’ existing sensor arrays.

3. Technical Specifications

• Product Model: KONGSBERG MRU-E-CS1-3M

• Brand: Kongsberg Gruppen

• Warranty: One Year

• Input Voltage: 24 V DC nominal

• Operating Temperature: –10 °C to +55 °C

• Storage Temperature: –20 °C to +70 °C

• Response Time: Real-time motion measurement (<10 ms latency)

• Protection Class: IP67 / marine-grade enclosure

• Accuracy Class: Roll/Pitch: ±0.1°; Heave: ±5 cm (typical)

• Output Frequency: Up to 200 Hz motion data update

• Rated Current Range: ≤ 500 mA at 24 V DC

• Communication Interface: RS-422, RS-485, Ethernet

• Supported Protocols: NMEA 0183, NMEA 2000, proprietary Kongsberg marine protocols

• Overload Capacity: Designed for vibration and shock in maritime environments

• Dimensions: Approx. 200 × 120 × 100 mm (sensor housing)

4. Main Features and Benefits

• High-Precision Motion Sensing:
  Provides accurate roll, pitch, heave, and yaw data for dynamic positioning, navigation, and motion compensation systems.

• Rugged Marine-Grade Construction:
  Withstands harsh sea conditions including salt spray, vibration, and shock.

• Real-Time Data Output:
  Fast signal processing supports high-frequency updates, ensuring reliable input to control and navigation systems.

• Flexible Integration:
  Compatible with various vessel automation systems via multiple communication protocols (NMEA, RS-422/485, Ethernet).

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5. Application Scenarios

• Dynamic Positioning Systems (DP):
  Provides accurate motion data for offshore vessels and platforms requiring precise station-keeping.

• Marine Navigation and Automation:
  Supplies real-time vessel motion measurements for navigation systems and autopilot integration.

• Motion Compensation Platforms:
  Enables stabilization of cranes, winches, and sensors on ships and offshore structures.

6. Frequently Asked Questions (FAQ)

Q: What are the main functions of KONGSBERG MRU-E-CS1-3M?
A: It measures roll, pitch, heave, yaw, and acceleration to provide real-time motion reference data for dynamic positioning, navigation, and motion compensation systems.

Q: Is KONGSBERG MRU-E-CS1-3M compatible with legacy marine systems?
A: Yes. It supports standard marine communication protocols such as NMEA 0183 and NMEA 2000, allowing integration with existing navigation and automation equipment.