Hirschmann OZD Profi 12M G12 PROFIBUS Fiber Optic Transceiver (Order No.: 943 727-321)

The Hirschmann OZD Profi 12M G12 is a robust interface converter designed to integrate electrical PROFIBUS networks with fiber optic cabling. It converts RS-485 signals to optical signals and vice versa, enabling reliable, long-distance communication in industrial fieldbus systems while providing immunity to electromagnetic interference .

Key Features and Product Highlights

• PROFIBUS-to-Fiber Conversion: Converts electrical PROFIBUS interfaces (RS-485 level) into optical interfaces, allowing seamless integration of fiber optic technology into existing PROFIBUS DP networks .

• Dual Fiber Optic Ports: Equipped with 2 x optical ports (4 BFOC 2.5/ST® sockets) supporting multimode fiber for reliable transmission .

• High-Speed Data Transmission: Supports all standard PROFIBUS baud rates from 9.6 kbit/s up to 12 Mbit/s with automatic bit rate detection .

• Long-Distance Transmission: Achieves transmission distances up to 3000 meters over multimode fiber (50/125 µm or 62.5/125 µm) .

• Redundant Ring Capability: Supports HIPER-Ring (ring structure) topology and redundant 24 V power infeed for enhanced network availability and fail-safety .

• Hazardous Location Approval: Certified for use in Ex-zone 2 (Class 1, Div. 2) hazardous areas, expanding deployment options in industrial environments .

• Comprehensive Diagnostics: Features multi-colored LED indicators for monitoring operating status and optical input level measuring outputs for each port .

• Rugged Metal Housing: Die-cast zinc enclosure with IP40 protection, designed for DIN rail or mounting plate installation .

Technical Specifications

Applications

• PROFIBUS Network Extension: Extending PROFIBUS DP networks over long distances using fiber optic cabling .

• EMI-Immune Communication: Deploying in electrically noisy environments such as manufacturing plants, substations, and industrial facilities where copper RS-485 connections are susceptible to interference .

• Hazardous Area Installations: PROFIBUS communication in Ex-zone 2 classified areas .

• Ring Topology Networks: Building redundant PROFIBUS rings using the two optical ports for fail-safe communication .

• Industrial Automation: Integration into process control systems, power generation, and transportation infrastructure requiring reliable fieldbus connectivity.

Why Choose the Hirschmann OZD Profi 12M G12?

• Proven PROFIBUS Compatibility: Fully compliant with EN 50170 and PROFIBUS user organization (PNO) guidelines for optical transmission technology .

• Network Redundancy: Supports HIPER-Ring topology and redundant power supply for maximum system availability .

• Industrial-Grade Reliability: Rugged die-cast housing with IP40 protection and wide temperature range ensures dependable operation in demanding environments .

• Easy Diagnostics: Built-in LED indicators and optical input level measuring outputs simplify troubleshooting and maintenance .

• Global Certifications: ATEX, FM, and cUL approvals enable worldwide deployment in diverse industrial applications .
  
  
  Hirschmann OZD Profi 12M G12 PROFIBUS fiber transceiver. 1x RS-485 + 2x multimode BFOC ports, 12 Mbit/s, HIPER-Ring, -0°C to 60°C, DIN rail.

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