The ROLLS-ROYCE CCN 01 (CAN Controller Network) is a high-performance communication module designed for the MAN (Marine Automation Network) system. This unit functions as a central bridge or gateway within the Rolls-Royce/MTU automation ecosystem, managing the flow of data between various engine-side control units and the primary vessel management system using the robust CAN bus protocol.

 

Product Overview

The CCN 01 module is engineered to provide a stable and high-speed communication backbone for modern marine propulsion systems. It acts as a traffic controller for data packets, ensuring that critical information—such as engine load, fuel consumption, and safety alarms—is transmitted with zero latency. Its design is optimized for the harsh electromagnetic environments found in ship engine rooms.

 

Technical Specifications (Datasheet)

 

Key Technical Features

• High-Speed Bus Arbitration: Utilizes advanced collision detection and prioritization to ensure that safety-critical messages are delivered first.
• Redundant Network Support: Often deployed in pairs to provide a “Dual CAN” architecture, ensuring the vessel remains steerable even if one network cable is damaged.
• Protocol Conversion: Capable of translating localized sensor data into standardized CANopen or J1939 messages for integration with third-party displays and loggers.
• Vibration Resistance: Certified for mounting directly on or near the engine block, meeting the G-rating standards for marine vibration.

Country of Origin

Country of Origin: Norway / Germany

 

Primary Application Fields

The Rolls-Royce CCN 01 is a core component in:

• Marine Power Management: Coordinating the load between multiple main propulsion engines.
• Integrated Bridge Systems: Relaying real-time telemetry to navigation and steering consoles.
• Subsea Control Systems: Managing communication for large-scale hydraulic and electrical winches.
• Propulsion Control: Interfacing with Azipull and Promas thruster systems for precision maneuvering.

 

Operating Instructions

1. Node Configuration: Assign the correct Node ID using the onboard rotary switches or software utility before connecting to the live network.
2. Cable Selection: Use only marine-approved, shielded twisted-pair (STP) cable with a characteristic impedance of 120 ohms.
3. Termination: Check that the 120-ohm termination resistor is enabled only at the two physical ends of the CAN bus trunk line.
4. Power Distribution: Connect both primary and secondary 24V power sources to the terminal block to utilize the module’s internal redundancy logic.
5. Monitoring: Use a CAN analyzer tool or the Rolls-Royce “Common Maintenance Tool” to verify that the bus load is within acceptable limits (typically < 60%).