DRM401 | STN Atlas Lyngsoe Marine Digital Relay Module
The STN Atlas Lyngsoe Marine DRM401 (Digital Relay Module) is a specialized electronic module designed for integrated shipboard automation and machinery control systems. Originating from the combined maritime legacy of STN Atlas and Lyngsoe Marine, this unit provides robust switching, signal isolation, and interface management for critical digital control loops in demanding marine environments.
📋 Product Datasheet & Parameters
🔌 Product Type: Digital Relay Module / Output Interface Unit
🏷️ Brand & Manufacturer: STN Atlas / Lyngsoe Marine (Marine Electronics Division)
📦 Part Number / MPN: DRM401
⚙️ Series Compatibility: STN Atlas / Lyngsoe Marine automation and alarm systems
🌍 Country of Origin: Germany / Denmark
📏 Form Factor: Modular plug-in printed circuit board or sub-rack unit
⚖️ Net Weight: Approximately 0.45 kg
⚡ Operating Voltage: 24 VDC standard marine control rail power supply
🌐 Interface Type: Multi-pin backplane connector and screw terminal blocks
🛡️ Operational Environment: Conformal-coated circuitry engineered to withstand marine vibration, humidity, and temperature variations
❓ Frequently Asked Questions (Q&A)
Q: What is the primary function of the DRM401 module?A: It serves as a digital relay output interface, translating low-level control signals from the central processing unit into high-capacity switching actions for actuators, alarms, and shipboard machinery.
Q: Are STN Atlas and Lyngsoe Marine systems compatible with modern upgrades?A: While many legacy hardware components like the DRM401 remain operational on existing vessels, system expansions typically require careful verification of software revisions and backplane pinouts.
Q: What maintenance is required for this relay module?A: Routine checks should include inspecting terminal connections for tightness and ensuring the module enclosure remains free from moisture and dust accumulation.
🔍 Recommended Alternative Series & Models
STN Atlas Marine Digital Input Module - DIM 400
STN Atlas Marine Analog Input Module - AIM 401
STN Atlas Elektronik Interface Module - IFM 401 (271.138 445)
Lyngsoe Marine Alarm and Monitoring Module - AMM Series
Lyngsoe Marine Process Control Interface - PCI 200
STN Atlas Elektronik Central Processing Card - CPU 400
STN Atlas Elektronik Power Supply Unit - PSU 401
Lyngsoe Marine Relay Output Card - ROC 500
STN Atlas Geamar Remote Control Module - RCM 400
Lyngsoe Marine System Communication Gateway - SCG 100

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