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Hirschmann OZD Profi 12M G12 PROFIBUS Interface Converter: 942148-002
Electrical-to-optical PROFIBUS converter with two optical channels, multimode fiber support, redundant power input, and approvals for hazardous industrial locations.
Reliable PROFIBUS Conversion for Demanding Industrial Networks
The Hirschmann OZD Profi 12M G12 interface converter, part number 942148-002, connects an electrical PROFIBUS segment to optical PROFIBUS links. Its two optical channels and one 9-pin Sub-D electrical interface support DP-V0, DP-V1, DP-V2, and FMS signals, making the converter suitable for expanding new systems or adding fiber links to an existing PROFIBUS installation.
Use the OZD Profi 12M G12 to carry PROFIBUS communications between control cabinets, production areas, or remote equipment where fiber can provide the required transmission distance. The die-cast zinc housing mounts on DIN rail or a mounting plate, while redundant 24 VDC power input and hazardous-location approvals support use in industrial control and process environments.
🔄 Electrical-to-Optical Conversion
Connects one electrical PROFIBUS interface to two optical channels through four BFOC 2.5 (ST) sockets
📏 Fiber Runs up to 3,000 m
Supports multimode 50/125 µm and 62.5/125 µm fiber links up to 3,000 meters
🛡️ Hazardous-Location Approved
Approved for ATEX Zone 2 and Class I, Division 2 industrial installations
⚡ Redundant 24 VDC Input
Accepts 18–32 VDC and supports redundant power infeed for network availability
Key Features & Benefits
- Flexible PROFIBUS Architecture: Supports line, star, and ring configurations so the converter can be integrated into different machine and plant network layouts
- Broad PROFIBUS Signal Support: Compatible with PROFIBUS DP-V0, DP-V1, DP-V2, and FMS communications
- Two Optical Channels: Four BFOC 2.5 (ST) sockets provide the send and receive connections for two optical links
- Long Multimode Fiber Reach: Supports distances up to 3,000 m with 50/125 µm or 62.5/125 µm fiber and up to 1,000 m with 200/230 µm HCS fiber
- Redundancy Functions: Supports HIPER-Ring operation and redundant 24 VDC power infeed
- Compact Industrial Housing: The 39.5 × 137.5 × 84 mm die-cast zinc enclosure conserves panel space while providing a durable mounting platform
- DIN Rail or Plate Mounting: Installs inside control cabinets using either common mounting method
- Low Power Demand: Consumes a maximum of 190 mA and 4.5 W during operation
- Industrial Environmental Range: Operates from 0°C to +60°C at 10% to 95% non-condensing relative humidity
- Hazardous-Area Approvals: Meets ISA 12.12.01 Class I, Division 2 and ATEX Zone 2 requirements
- 60-Month Manufacturer Guarantee: Backed by a five-year manufacturer guarantee
⚠️ Match the Fiber Type and Link Budget Before Installation
The maximum fiber distance depends on the installed cable type, attenuation, connector losses, and required reserve. The stated 3,000 m and 1,000 m limits are based on the link budgets shown below. Confirm the fiber core size and total optical loss before placing the converter into service.
🔗 Network Integration
The OZD Profi 12M G12 can connect to a standard electrical PROFIBUS segment through its female 9-pin Sub-D port while extending the network over two optical channels. This configuration helps link separated equipment areas and supports line, star, or redundant ring designs without replacing compatible PROFIBUS controllers and field devices.
Technical Specifications
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Part Number
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942148-002
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Product
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OZD Profi 12M G12 Interface Converter
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Signal Type
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PROFIBUS DP-V0, DP-V1, DP-V2, and FMS
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Optical Interfaces
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2 optical channels; 4 × BFOC 2.5 (ST) sockets
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Electrical Interface
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1 × 9-pin female Sub-D; pin assignment per EN 50170 Part 1
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Power / Signaling Contact
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8-pin screw-mount terminal block
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Electrical Input Signal Range
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-7 V to +12 V
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Operating Voltage
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18–32 VDC at 24 VDC nominal
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Current Consumption
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190 mA maximum
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Power Consumption
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4.5 W
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Redundancy Functions
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HIPER-Ring and redundant 24 VDC infeed
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Power Output
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5 VDC (+5% / -10%), 10 mA, short-circuit protected at pin 6
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Operating Temperature
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0°C to +60°C
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Storage / Transport Temperature
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-40°C to +70°C
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Relative Humidity
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10% to 95%, non-condensing
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Dimensions (W × H × D)
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39.5 × 137.5 × 84 mm
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Housing Material
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Die-cast zinc
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Weight
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560 g
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Mounting
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DIN rail or mounting plate
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Protection Class
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IP40
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Industrial Control Safety
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cUL 61010-2-201
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Hazardous Locations
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ISA 12.12.01 Class I, Division 2; ATEX Zone 2
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Conformity
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EU, FCC, and Australia conformity
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Guarantee
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60-month manufacturer guarantee
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📋 Installation Overview
Before Installing:
1. Plan the Network: Confirm the required line, star, or ring architecture and identify the electrical and optical segments
2. Verify Fiber: Match the fiber core size, connectors, route length, and total link loss to the supported optical specifications
3. Mount the Converter: Secure the unit to a DIN rail or mounting plate inside a suitable enclosure
4. Connect Power: Wire the 18–32 VDC supply and signaling contact through the 8-pin terminal block; use the redundant input if required
5. Connect PROFIBUS: Attach the electrical segment to the 9-pin Sub-D interface and the optical channels to the BFOC 2.5 (ST) sockets
6. Commission the Link: Apply power, verify the network configuration, and check communications across each segment
Follow the Hirschmann manual and applicable hazardous-location requirements during installation.
📦 What's Included
In the Box:
• Hirschmann OZD Profi 12M G12 Interface Converter (942148-002)
• Instructions
Fiber Distance & Link Budget Reference
Compatibility & Application Reference
📄 Hirschmann OZD Profi 12M G12 Manual
Use the installation manual for wiring, optical network setup, commissioning, diagnostics, and hazardous-location instructions.
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