The Kongsberg RMP201-8 is a versatile, high-reliability remote I/O module designed primarily for maritime and offshore automation systems. It serves as a multifunctional interface within Kongsberg’s K-Chief and AutoChief series, capable of handling a combination of digital and analog signals to monitor and control ship propulsion, engines, and auxiliary equipment.
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Technical Description and Parameters
The RMP201-8 is engineered for flexibility, allowing its 8 channels to be software-configured for various input and output types. It typically interfaces with the controller via the RBUS (Remote Bus) protocol, providing a redundant communication path for safety-critical applications.
- Module Type: Remote Multifunctional I/O Module
- Series: Kongsberg Maritime / K-Chief / AutoChief
- Number of Channels: 8 (Individually configurable)
- Configurable Functions: Digital Input, Digital Output, Analog Input (4-20mA / 0-10V), Analog Output, or Potentiometer
- A/D Resolution: 16-bit for high-precision analog data acquisition
- Power Supply: 24V DC (Redundant supply via RBUS A/B)
- Communication: Dual RBUS interface for fault-tolerant connectivity
Product Datasheet Specifications
- Dimensions: 100 mm x 80 mm x 20 mm (Compact version) / 42.2 cm x 12.4 cm x 12.6 cm (Chassis version)
- Weight: 0.55 kg to 1.35 kg (Depending on housing/chassis configuration)
- Country of Origin: Norway
- Mounting: DIN Rail or specialized Kongsberg I/O rack
- Operating Temperature: -25°C to +70°C (Standard Marine Grade)
- Certifications: Meets IACS E10, DNV GL, and ABS standards for maritime deployment
Application Fields
The RMP201-8 is a staple in high-stakes maritime and heavy industrial automation:
- Marine Propulsion Control: Coordinating main engine RPM and propeller pitch.
- Dynamic Positioning (DP): Interfacing with thrusters and sensors to maintain vessel heading and position.
- Vessel Management (K-Chief): Monitoring fuel levels, tank pressures, and pump status across the ship.
- Energy Management: Collecting real-time energy data from generators and power distribution units.
- Industrial Automation: Used in manufacturing and process control where marine-grade robustness is required.
Product Instructions for Use
- Mounting: Install the module in a vibration-damped cabinet. If using a DIN rail, ensure the grounding clips are securely engaged to provide electromagnetic shielding.
- Redundant Wiring: Always connect both RBUS A and RBUS B ports to the system network to enable the module’s built-in communication redundancy.
- Channel Configuration: Use the Kongsberg engineering station software to define each of the 8 channels. Incorrect software mapping (e.g., sending an analog signal to a channel configured for digital) may cause data errors or module trips.
- Diagnostics: Monitor the “Error” LED on the front faceplate. A flashing red light typically indicates a communication timeout or a field-side short circuit on one of the I/O channels.
Q&A: Frequently Asked Questions
Q: Can I hot-swap the RMP201-8 while the system is live? A: Yes, the RMP201-8 supports hot-plugging. However, in maritime propulsion systems, ensure the system is in a “safe state” before removal to avoid unintended control consequences.
Q: Does the module support pulse counting for flow meters? A: Yes, when configured as a digital input, the RMP201-8 can process pulse signals for flow measurement and speed sensing.
Q: What is the benefit of the 16-bit resolution? A: 16-bit resolution allows for over 65,000 discrete levels of measurement, providing the extreme precision needed for sensitive tasks like monitoring turbine temperatures or fine-tuning thruster angles.
Related Product News
Kongsberg Maritime continues to expand the lifecycle of the RMP series, with the RMP201-8 remaining a key component for vessel retrofits. Recent firmware updates have introduced enhanced “Cyber Security Level 2” compliance, protecting remote I/O data from unauthorized access in satellite-connected vessels.
Additionally, the latest revisions of the RMP201-8 feature improved thermal management, extending the module’s operational lifespan in uncooled engine room environments. Industry analysts note that the RMP201-8 is increasingly being integrated into hybrid-electric vessel projects to manage complex load-sharing between traditional engines and battery banks.
