6GK1503-3CB00 SIMATIC NET PROFIBUS

Description

The 6GK1503-3CB00 is a Siemens SIMATIC NET PROFIBUS Optical Link Module (OLM G12 V4.0) used for reliable communication in industrial PROFIBUS networks. It is designed to convert electrical PROFIBUS signals into optical fiber transmission, allowing long-distance, noise-immune communication between automation systems.

This module is commonly used in large industrial plants, substations, manufacturing lines, and process automation systems where PROFIBUS networks need extended distance and strong electromagnetic interference protection.

Key Features

• PROFIBUS Optical Link Module (OLM G12 V4.0)
• Converts RS-485 PROFIBUS signals to fiber optic communication
• 1 × RS-485 electrical interface for PROFIBUS DP connection
• 2 × glass fiber optic interfaces (BFOC sockets)
• Long-distance transmission up to 2850 meters (fiber dependent)
• High immunity against electromagnetic interference (EMI)
• Integrated signalling contact for fault monitoring
• Measuring output for diagnostic purposes
• Supports PROFIBUS DP data rates up to 12 Mbit/s
• Industrial-grade rugged construction for harsh environments
• DIN rail mounting for control cabinet installation
• Designed for continuous 24V DC industrial operation

Specifications

• Product Type: PROFIBUS Optical Link Module (OLM)
• Model: 6GK1503-3CB00
• Series: SIMATIC NET OLM G12 V4.0
• Manufacturer: Siemens
• Communication Type: PROFIBUS DP / PA compatible
• Interfaces:

1 × RS-485 (electrical PROFIBUS port)
2 × fiber optic (glass FOC, BFOC connectors)
• Transmission Rate: 9.6 kbit/s to 12 Mbit/s (PROFIBUS DP)
• Fiber Distance: Up to approx. 2850 m (depending on fiber type)
• Supply Voltage: 24 V DC
• Power Functions: Signal contact + diagnostic measuring output
• Network Function: Optical line extension and galvanic isolation
• Mounting Type: DIN rail mounting
• Operating Temperature: Industrial standard range (approx. -20°C to +60°C typical)
• Protection Class: Industrial cabinet installation (IP20 typical)
• Application: Industrial automation networks, PLC communication, substations, factory PROFIBUS backbone, long-distance signal transmission