STN Atlas / Lyngsoe Marine DEM401 (271.130432/G) Overview

Brand Background

STN Atlas Elektronik and Lyngsoe Marine are renowned engineering brands specializing in advanced marine electronics, naval defense systems, ship automation, and industrial control equipment. Their hardware systems are engineered for extreme durability, precise signal acquisition, and long-term operating continuity under harsh maritime and industrial environments worldwide.

Model Overview: DEM401 (Part Number: 271.130432/G)

The STN Atlas / Lyngsoe Marine DEM401 (Catalog / Part Number: 271.130432/G, including related suffix variants) is a specialized Digital Output Module or Electronic Control Card designed for integration into sophisticated marine automation and industrial control architectures.

Serving as a core signal-switching and control node, the DEM401 module is engineered to process command logic from central processors and switch high-reliability digital output channels to actuate external devices. It ensures precise command execution and reliable system interfacing within complex automation networks.

DEM401

Key Technical Specifications and Parameters

• Manufacturer: STN Atlas Elektronik / Lyngsoe Marine

• Model Name / Designation: DEM401

• Part / Catalog Number: 271.130432/G (variants include related 271.130432 series revisions)

• Product Type: Digital Output Module / Signal Switching Card

• Signal Processing: Multi-channel digital output conditioning for precise relay actuation, status signaling, and control logic routing

• System Integration: Compatible with proprietary STN Atlas and Lyngsoe Marine automation bus architectures and rack sub-assemblies

• Diagnostic Features: Integrated status indicators for real-time channel monitoring and operational health feedback

• Form Factor: Modular circuit board assembly engineered for secure installation in industrial control racks and marine automation cabinets

Operating Industries

The STN Atlas / Lyngsoe Marine DEM401 module is deployed primarily across maritime sectors, offshore infrastructure, and heavy industrial automation environments utilizing legacy STN Atlas and Lyngsoe control ecosystems:

• Commercial Maritime & Shipping: Cargo vessels, container ships, tankers, and passenger liners equipped with centralized ship control and monitoring systems (SCMS).

• Naval Defense & Marine Engineering: Shipboard automation networks, propulsion supervision systems, and auxiliary machinery monitoring panels.

• Offshore Oil & Gas: Floating production storage and offloading (FPSO) units, drilling rigs, and offshore platform auxiliary monitoring systems.

• Industrial Process Control: Heavy industrial automation plants utilizing high-reliability control and switching hardware.

Common Usage Scenarios

1. Marine Machinery Control and Alarm Signaling

   Switching digital control signals to operate engine room auxiliary equipment, valves, pumps, and visual/audible alarm panels.

2. Propulsion and Auxiliary Plant Interlocking

   Executing critical command outputs to maintain safe operating sequences across heavy marine generators, compressors, and motor starters.

3. Automated Switching in Central Monitoring Systems

   Managing command routing between central automation processors and peripheral maritime hardware nodes.

4. Control System Hardware Maintenance and Retrofits

   Serving as a direct replacement component during routine service, system troubleshooting, or legacy marine automation hardware overhauls to restore full output control capabilities.