271.138 445 | STN Atlas IFM 401 Interface Module

文章作者：小编人气：发表时间：2026-07-23 09:51:15

The STN Atlas IFM 401 (Part Number: 271.138 445) is an industrial and marine-grade interface module designed for integrated vessel automation and navigation architectures. Originally engineered by STN Atlas Elektronik, this card plays a vital role in signal conversion, isolation, and data interfacing within distributed shipboard monitoring and bridge control systems, ensuring accurate and resilient communications in demanding maritime environments.

📋 Product Datasheet & Parameters

🔌 Product Type: Marine Automation Interface Module (IFM 401)
🏷️ Brand & Manufacturer: STN Atlas Elektronik (STN Atlas Marine Electronics)
📦 Part Number / MPN: 271.138 445 (Also referenced as 271.138.445)
⚙️ Model Designation: IFM401
🌍 Country of Origin: Germany
📏 Form Factor: Plug-in modular printed circuit board for standard sub-rack enclosures
⚖️ Net Weight: Approximately 0.40 kg to 0.55 kg
⚡ Operating Voltage: 24 VDC standard marine control rail power supply
🌐 Application Environment: Integrated bridge systems, Geamar automation, and radar control consoles
🛡️ Protection & Design: Conformal-coated circuitry engineered for marine vibration, humidity, and temperature resistance

❓ Frequently Asked Questions (Q&A)

Q: What is the primary role of the STN Atlas IFM 401 interface module?A: It serves as a dedicated communication and signal translation interface between field sensors, navigation instruments, and the central processing units of shipboard automation systems.
Q: Are alternate part numbers compatible with the 271.138 445 module?A: In many STN Atlas configurations, closely related variations such as the 271.138 444 exist within the same family, but technical documentation and system drawings should always be consulted to ensure exact pinout and firmware compatibility.
Q: What kind of maintenance does this marine interface card require?A: As a solid-state electronic module, it requires minimal preventive maintenance beyond ensuring that rack connectors remain clean, securely seated, and protected from excessive ambient moisture or dust accumulation.

🔍 Recommended Alternative Series & Models

STN Atlas Elektronik Relay Input Module - REM 401 (271.123 854)
STN Atlas Elektronik Frequency Input Module - FIM 405 (271.138 243)
STN Atlas Elektronik Serial Interface Card - SEM 402
STN Atlas Marine Digital Input/Output Module - DIM 400
STN Atlas Marine Analog Input Module - AIM 401
STN Atlas Elektronik Central Processing Card - CPU 400
STN Atlas Elektronik Power Supply Unit - PSU 401
STN Atlas Geamar Remote Control Module - RCM 400
STN Atlas Radarpilot Interface Unit - RIU 100
STN Atlas Automation Bus Adapter Card - BAC 402

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