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Product Overview
The KONGSBERG RMP400 is a Remote Multi Purpose I/O unit used in Kongsberg Maritime automation systems, particularly the K-Chief 700 platform. Kongsberg documentation describes the RMP400 as a remote I/O interface providing 32 solid-state, combined analog/digital channels that can be individually configured for different signal functions. This architecture allows field signals from equipment such as valves, relays, sensors, and other marine machinery devices to be connected to a distributed control system without routing every field connection directly to the main controller.
The unit is associated with Kongsberg’s RIO architecture and is identified with Part No. 603129 in several hardware references. It is therefore best treated as a configuration-specific marine automation spare rather than a generic PLC I/O module.
Technical Specifications — RMP400
| Parameter | Value |
|---|---|
| Product Model | RMP400 |
| Manufacturer | Kongsberg Maritime |
| Product Type | Remote Multi Purpose I/O Unit |
| Part Number | 603129 |
| Application | K-Chief 700 marine automation system |
| I/O Capacity | 32 combined analog/digital channels |
| Channel Configuration | Individually configurable |
| I/O Type | Multi-purpose solid-state I/O |
| System Architecture | Remote I/O / distributed control |
| Communication | Kongsberg RIO / Serial Process Bus architecture |
| Mounting | Marine automation / remote I/O installation |
| Typical Applications | Valves, relays, temperature sensors and machinery field signals |
| Product Weight | Approx. 1.6 kg, depending on unit condition/configuration |
| Packaging Example | Approx. 40 × 20 × 16 cm for one used unit |
| Compliance | Refer to applicable Kongsberg Maritime system certification |
Kongsberg reference material identifies RMP as a Remote Multi Purpose interface and states that RMP400 is used in K-Chief 700, with 32 individually configured combined analog/digital I/O channels.
KONGSBERG RMP400
Key Features and Benefits — RMP400
- 32 configurable multi-purpose I/O channels.
- Supports distributed field-device connection in marine automation systems.
- Designed for Kongsberg RIO architecture.
- Suitable for connecting valves, relays, sensors, and other field equipment.
- Reduces extensive point-to-point wiring between field devices and central controllers.
- Applicable to marine vessels and offshore automation installations.
- Available as a replacement spare for established Kongsberg control systems.
The RMP400’s main engineering value is its flexibility. Instead of dedicating separate modules to every basic signal type, the channel architecture allows the I/O functions to be configured according to the control-system design.
Related Models
RMP420 — A later Kongsberg remote multi-purpose I/O unit used in K-Chief systems and listed in current Kongsberg hardware certification documentation.
RMP200 — A smaller remote multi-purpose I/O module used in K-Pos and CJoy/CPos systems, with eight I/O channels.
RMP422i — Integrated Kongsberg remote I/O module identified in K-Chief hardware documentation for newer system architectures.
Installation and Maintenance — RMP400
Before replacement, verify the exact Kongsberg automation platform, software configuration, communication bus arrangement, terminal wiring, and channel assignments. Because the channels are configurable, the installed I/O mapping should be recorded before removing the existing unit.
During maintenance, use appropriate ESD controls and inspect connectors and field wiring for corrosion, loose terminals, or moisture ingress. After installation, verify communication with the control system and test representative input and output channels against the approved vessel or plant I/O documentation.
For marine applications, environmental condition matters. A replacement should be checked for physical damage, connector condition, labeling, and revision compatibility before being placed into service.
Product Warranty — RMP400
Warranty terms depend on the supplier and the condition of the unit. For critical marine automation spares, procurement records should include the exact model, Part No. 603129, serial number where available, inspection status, test results, and warranty period.
The KONGSBERG RMP400 is a specialized remote I/O component for Kongsberg marine automation systems, with its 32-channel configurable architecture making accurate system matching particularly important before replacement.
