Kongsberg MSI-12 Input/Output Module 339368

Part Number: 339368

Kongsberg MSI-12 module, an input/output module that is used to connect sensors and control equipment to the vessel’s central monitoring and control network.

As part of a distributed control system like the K-Chief, the MSI-12 module plays a crucial role in the reliable operation of onboard machinery.

This is an essential spare part for troubleshooting and repairing faults within the automation system.

Technical Specifications

Product: MSI-12 Input/Output Module

Associated Part Number: 339362

Function: Interfaces with field sensors and actuators for data acquisition and control.

Applications & Compatibility

339368

System Compatibility: Kongsberg Marine Automation Systems (e.g., K-Chief)

Use Case: Maintenance and repair of vessel automation systems.

Role: Manages specific segments of a ship’s machinery, such as engine monitoring, pump control, or tank level sensing.

The Kongsberg MSI-12 (339368) is a Multi-Serial Interface module, primarily used as a communication interface within Kongsberg Maritime automation systems, such as the K-Chief 600 and AutoChief series.

Its main function is to facilitate the connection between the main control system (DPU/Processors) and various peripheral devices, sensors, or actuators that communicate via serial or current loop protocols.

Technical Specifications & Details

339368

The MSI-12 acts as a bridge in marine automation networks, often converting or isolating signals for reliable data transmission in harsh maritime environments.

Feature    Details

Model Number    MSI-12

Part Number    339368 (Often associated with Revision B/B1)

Alternate P/N    8100222 (Used in different system configurations)

Function    Multi-Serial Interface / Current Loop Module

Application    K-Chief 600. Engine Control, Alarm Monitoring Systems

Origin    Norway (Kongsberg Maritime AS)

Key Characteristics

Current Loop Support: It is frequently identified as a “Current Loop Module,” making it essential for long-distance serial communication where noise immunity is critical.

System Integration: It typically mounts within a cabinet and connects to Distributed Processing Units (DPUs) like the dPSC or SCU.

Modularity: Designed for easy replacement (“hot-swappable” in some configurations) to minimize downtime during vessel maintenance.

Common Failure Points & Maintenance

In marine environments, these modules can occasionally fail due to:

Voltage Spikes: Damage to the optoisolators or serial driver ICs.

Corrosion: Salt-air exposure on the backplane connectors.

Firmware Mismatch: When replacing a module, ensure the Revision (e.g., Rev. B) matches your existing hardware, as some versions (like the MSI-CL 339369) have different pinouts or USB capabilities.