Description
Core Product Summary
The SAM Electronics DEM401 (often associated with Lyngsoe Marine) is a digital input module engineered for industrial and marine automation control architectures. It functions as a specialized interface unit designed to capture, process, and transmit discrete digital signals from field sensors, switches, and alarm contacts into the central automation or monitoring system.
Built for deployment in demanding maritime and heavy industrial environments, the DEM401 module processes 24V digital inputs, routing signals reliably through rack-mounted or panel-based control nodes. It ensures accurate state detection and integration of system inputs to support alarm handling, status monitoring, and safety interlocks within shipboard or industrial automation networks.
Key Technical Specifications
| Parameter | Specification |
| Product Type | Digital Input Module (I/O Module) |
| Manufacturer / Brand | SAM Electronics / Lyngsoe Marine A/S |
| Nominal Input Voltage | 24 V DC |
| Module Type | Discrete / Digital Input Interface |
| Platform/Series Reference | Part No: 962.004.600 / 271.130 432.G (dependent on revision) |
| Approximate Weight | ~0.30 kg (0.67 lbs) |
Detailed Product Overview
The SAM Electronics DEM401 plays an essential role in handling discrete signals within integrated automation and navigation system layouts. By gathering status lines from localized machinery, safety sensors, and command panels, the module translates external dry or powered contact closures into system-readable telemetry data.
Designed to operate continuously within harsh operating environments, the module prioritizes signal integrity and channel isolation to prevent transient electrical noise from disrupting main processor racks. Its standardized physical format allows seamless rack integration and replacement during routine maintenance or system retrofits in marine engine control rooms and automation consoles.
Dimensions, Mounting & Connection Notes
- Mounting Configuration: Rack or sub-panel mount designed for integration into standard SAM Electronics / Lyngsoe Marine automation enclosures.
- Connection Type: Plug-in module featuring backplane connectors for power/data and terminal interfaces for field wiring inputs.
- Environmental Considerations: Built to withstand standard marine operating conditions when housed inside certified bridge or engine control room consoles.
DEM401
DEM401
System Compatibility & Integration Requirements
| Item / Dependency | Verified Compatibility or Requirement | Practical Note |
| Control System Platform | SAM Electronics / Lyngsoe Marine automation networks | Designed specifically for proprietary rack environments matching exact part revisions. |
| Input Signal Type | 24 V DC discrete binary signals (switches, contacts, binary sensors) | Field wiring must match voltage rating and common ground references. |
| Mounting Requirements | Dedicated I/O rack / chassis slot | Must be installed within a grounded industrial or marine electrical cabinet. |
FAQ
What is the function of the SAM Electronics DEM401?
The SAM Electronics DEM401 is a digital input module used in marine and industrial automation systems to collect and process 24V discrete input signals from field devices.
Which system platforms use the DEM401 module?
It is utilized within automation, alarm, and monitoring systems designed by SAM Electronics and Lyngsoe Marine.
What is the primary input voltage rating for the DEM401?
The module is engineered to handle 24V DC digital input signals.
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