KONGSBERG RMP200-8: Kongsberg Maritime’s Compact Remote Multi-Purpose I/O Module

1. Product Overview

The KONGSBERG RMP200-8 is a rugged, distributed Remote Multi-Purpose I/O module from Kongsberg Maritime’s RIO200 family. Designed specifically for integration into the K-Chief series of marine automation systems (including K-Chief 600, K-Chief 700, and K-Safe), it serves as the intelligent “nervous system” at the field level.

With a compact 50 mm DIN-rail footprint, the RMP200-8 delivers up to eight high-precision I/O channels plus isolated redundant RBUS communication and power distribution. It provides local signal conditioning, processing, and control output — significantly reducing wiring runs and central CPU load while maintaining full compliance with IEC 61508 SIL 2 safety requirements and all major classification society type approvals (DNV-GL, ABS, LR, BV, etc.). Whether installed in engine rooms, pump rooms, machinery spaces, or deck areas of commercial vessels, FPSOs, drillships, or offshore platforms, the RMP200-8 ensures continuous, deterministic operation in the harshest maritime environments.

2. Core Technical Specifications

The RMP200-8 is built for marine-grade reliability and features a robust PowerPC-based architecture with VxWorks-compatible real-time performance:

I/O Configuration: Six common-ground multipurpose channels (configurable for DI, DO, AI, AO, Potentiometer) + two individually isolated channels (AI/AO/DI). – Analog channels: 16-bit resolution, 20 V span (±10 V). – Digital Outputs: Regulated 24 V loop power with 0.1 A current limit per channel (up to 0.3 A total). – Supports frequency/pulse inputs, 4–20 mA current loops, and RTDs.
Communication & Power: Dual redundant RBUS (RS-485, 2 Mbps Manchester-encoded, galvanically isolated 500 V). Supports up to 99 modules per bus. – Dual 24 VDC power inputs (18–32 V nominal), inrush protection, ideal-diode interconnection for seamless redundancy.
Status & Diagnostics: Two-color front LED (green = healthy, red = fault), built-in test equipment (BITE) with runtime self-tests, watchdog timer, module address switches (1–99), and ground-leakage monitoring.
Environmental & Safety: Operating temperature –25°C to +70°C, IP20, vibration/shock rated per IEC 60945 and IACS E10. Salt-mist tested (ISO 9227). Full EMC compliance (IEC 61000-6-2/4).
Mounting & Dimensions: Snap-on horizontal dual-DIN-rail, 35 mm wide x 130 mm (H) x 130 mm (D), approx. 0.39 kg.
Certifications: Fully type-approved for K-Chief and K-Safe systems; supports hot-swappable replacement.

All internal voltages are monitored, and the module provides software-controlled fail-safe modes (soft/hard) with <60 ms watchdog reaction.

3. Key Features & Advantages

The RMP200-8 delivers unmatched reliability and flexibility for marine automation:

Distributed Intelligence: Local logic execution and signal preprocessing mean critical functions (e.g., machinery monitoring, propulsion auxiliary control) continue even if the central RCU network is interrupted.
Triple Modular Redundancy Support: Pairs seamlessly with RCU502, RCU601, and RCU602 controllers for 2-out-of-3 voting and automatic channel switchover in <100 ms.
“Dead Man’s Switch” & Safety Integration: Configurable fail-safe logic, zero-latency emergency shutdown signaling, and direct interface with K-Pos DP, K-Thrust, and K-Safe safety systems.
Hot-Swappable & Maintenance-Friendly: Dual isolated power + redundant RBUS enable live replacement without downtime; built-in diagnostics and KET engineering tool simplify commissioning and troubleshooting.
Proven in Harsh Conditions: MTBF well above 150,000 hours, conformal coating for corrosion resistance, and full compliance with IMO, DNV-GL, ABS, and other global standards.

These features make the RMP200-8 the ideal edge node for any Kongsberg K-Chief installation requiring distributed, high-availability I/O.

4. Applications & Real-World Value

The RMP200-8 is the field I/O engine for Kongsberg’s premier marine automation solutions:

Dynamic Positioning (K-Pos) — High-resolution sensor and actuator interfacing for DP Class 3 operations.
Propulsion & Thruster Control (K-Thrust) — Direct support for azimuth thrusters, rudders, and pitch control.
Integrated Vessel Management (K-Chief 700) — Alarm & monitoring, power management, ballast, cargo, and auxiliary machinery control.
Safety Systems (K-Safe) — Integrated with emergency shutdown (ESD), fire & gas, and SIL 2 loops.
Offshore & Marine Platforms — FPSOs, drillships, offshore wind support vessels, and special-purpose ships operating in extreme environments.

By deploying KONGSBERG RMP200-8 modules, shipowners gain a proven, type-approved solution that slashes lifecycle costs through high uptime, simplifies multi-vendor integration, and delivers the reliability needed to protect assets and crew. Whether retrofitting legacy systems or specifying newbuilds, it provides the distributed intelligence that only Kongsberg Maritime’s K-Chief platform can deliver.

Need a customized product description, comparison with RMP200-4 / RMP201-8 / RMP420, technical datasheet, or a version tailored for a specific vessel type or project? Just let me know — happy to refine it further!