KONGSBERG RMP200 Modules RMP200-8 Multi-Purpose I/O

Technical Dossier

Product Details And Specifications

KONGSBERG RMP200 Series Technical Notes

The KONGSBERG RMP200 series is a distributed I/O and multi-purpose module platform developed by Kongsberg Maritime / Kongsberg Digital, deployed extensively across global heavy industry verticals including offshore oil & gas platforms, LNG processing facilities, chemical plants, nuclear auxiliary systems, and marine vessel automation. The RMP200-8, designated as a Multi-Purpose I/O Module, represents the core field interface tier of the RMP200 architecture, providing mixed analog and digital signal conditioning within a compact, backplane-integrated form factor. Installations of this series are documented across North Sea FPSO units, Gulf of Mexico deepwater platforms, and onshore refinery DCS networks in the Middle East and Asia-Pacific regions. The series operates within Kongsberg's SDP (Ship Dynamic Positioning) and K-Chief automation ecosystems, making it a long-cycle asset with replacement demand extending well beyond original production runs.

The Evolution of RMP200 Architecture

The RMP200 platform was introduced as part of Kongsberg's modular remote I/O strategy for marine and offshore automation, succeeding earlier discrete wiring panels with a structured backplane bus architecture. Early-generation RMP200 modules used parallel bus communication with proprietary Kongsberg field protocols, tightly coupled to the K-Pos and K-Chief control system generations of the 1990s and early 2000s. As automation requirements evolved, the series incorporated enhanced signal isolation, improved EMC shielding, and extended temperature tolerance to meet IEC 60945 marine environment standards.

Compatibility across RMP200 generations is constrained by backplane revision levels and firmware versions of the associated controller modules. Modules from early production batches (pre-2005) may require hardware revision matching when used as drop-in replacements in existing racks. The series has entered the mature/end-of-life phase, with Kongsberg no longer offering new production units through standard commercial channels. This lifecycle status elevates the criticality of certified aftermarket sourcing for vessel operators and plant maintenance teams managing multi-year service contracts.

RMP200 Full Catalog & Functionalities (SKU List)

The following SKUs represent verified models within the KONGSBERG RMP200 series, classified by functional category. Each entry reflects documented field usage and cross-referenced technical literature.

Multi-Purpose I/O Modules

• RMP200-8: 8-channel multi-purpose I/O module, mixed analog/digital signal interface, backplane bus integrated
• RMP200-16: 16-channel expanded multi-purpose I/O, dual-slot backplane footprint, increased field termination density
• RMP200-4: 4-channel compact I/O variant, used in space-constrained panel installations

Analog Input Modules

• RMP200-AI8: 8-channel analog input, 4–20 mA / 0–10 V configurable, 12-bit resolution
• RMP200-AI16: 16-channel analog input, high-density field interface for sensor-intensive applications
• RMP200-AITC: Thermocouple analog input module, supports J/K/T/E type thermocouples with CJC
• RMP200-AIRTD: RTD analog input module, PT100/PT1000 compatible, 3-wire and 4-wire configurations

Analog Output Modules

• RMP200-AO8: 8-channel analog output, 4–20 mA current loop, short-circuit protected outputs
• RMP200-AO4: 4-channel analog output, used in actuator and valve positioner control loops

Digital Input Modules

• RMP200-DI16: 16-channel digital input, 24 VDC, optically isolated, status monitoring applications
• RMP200-DI32: 32-channel high-density digital input, dual-row field termination, alarm and interlock systems
• RMP200-DIAC: AC digital input module, 110/220 VAC compatible, for legacy field device integration

Digital Output Modules

• RMP200-DO16: 16-channel digital output, 24 VDC sourcing, relay-driven field devices
• RMP200-DO8R: 8-channel relay output module, SPDT contacts, rated for inductive load switching

Communication & Power Modules

• RMP200-COM: Serial communication adapter module, RS-232/RS-485, Modbus RTU gateway function
• RMP200-PSU: Dedicated power supply module for RMP200 backplane, 24 VDC regulated output, redundancy-capable
• RMP200-CPU: Local controller/CPU module for standalone RMP200 rack operation, hosts application logic

Quality Control for the RMP200 Range

RMP200 modules present specific test challenges due to their backplane-dependent bus communication architecture and mixed-signal I/O design. DriveKNMS applies a structured test protocol for each unit processed:

• Backplane Bus Integrity Test: Each module is seated in a reference RMP200 rack and subjected to full bus communication verification using Kongsberg-compatible test software to confirm address recognition and data exchange.
• Channel-Level Signal Verification: All I/O channels are individually stimulated and measured. Analog channels are tested at 0%, 25%, 50%, 75%, and 100% of rated range. Digital channels are verified for correct switching thresholds and isolation resistance.
• Isolation and Dielectric Test: Field-side to bus-side isolation is measured per IEC 61010 requirements. Modules failing isolation thresholds are quarantined and not released for sale.
• Visual and Component Inspection: PCB inspection under magnification for corrosion, cold solder joints, damaged connectors, and capacitor condition. Conformal coating integrity is assessed for marine-grade units.
• Burn-In Cycle: Modules are powered continuously for a minimum of 24 hours at rated voltage prior to final acceptance, screening for early-life failure modes.