6GK1503-3CB09 SIMATIC NET PROFIBUS

Description

The 6GK1503-3CB09 is a Siemens SIMATIC NET PROFIBUS Optical Link Module (OLM G12 V4.0) used for extending and converting PROFIBUS networks over fiber optic communication. It enables electrical-to-optical signal conversion, allowing long-distance and EMI-immune communication between PLC stations and remote field devices.

This module is typically used in large industrial automation systems, substations, process plants, and factory backbone networks where stable and interference-free PROFIBUS communication is required.

Key Features

• PROFIBUS Optical Link Module (OLM G12 V4.0 series)
• Converts RS-485 PROFIBUS signals to fiber optic transmission
• 1 × RS-485 electrical PROFIBUS interface
• 2 × glass fiber optic interfaces (BFOC connectors)
• Supports long-distance communication up to ~2850 m (fiber dependent)
• High immunity to electromagnetic interference (EMI)
• Integrated diagnostic and fault signaling contact
• Measuring output for network diagnostics
• Supports PROFIBUS DP communication up to 12 Mbit/s
• Industrial-grade DIN rail mounting design
• Continuous 24V DC operation for control cabinet systems
• Rugged construction for harsh industrial environments

Specifications

• Product Type: PROFIBUS Optical Link Module (OLM)
• Model: 6GK1503-3CB09
• Series: SIMATIC NET OLM G12 V4.0
• Manufacturer: Siemens
• Communication Standard: PROFIBUS DP / PA compatible
• Interfaces:

1 × RS-485 (electrical PROFIBUS input)
2 × fiber optic (glass, BFOC connectors)
• Data Rate: 9.6 kbit/s to 12 Mbit/s (PROFIBUS DP)
• Transmission Medium: Fiber optic cable (glass fiber)
• Maximum Distance: Up to approx. 2850 m (depending on fiber type)
• Supply Voltage: 24 V DC
• Power Consumption: Low-power industrial module (~200 mA typical)
• Diagnostic Functions: Signal contact + measuring output
• Mounting Type: DIN rail (35 mm standard)
• Operating Temperature: Industrial range (approx. -20°C to +60°C typical)
• Protection Class: IP20 (control cabinet installation)
• Application: PROFIBUS network extension, PLC communication, industrial automation backbone, substations, distributed I/O systems