The Siemens 6GK1503-2CB00 is a SIMATIC NET PROFIBUS OLM/G11 V4.0 (Optical Link Module) designed for converting electrical PROFIBUS signals into optical signals for long-distance transmission over fiber-optic cables. This module ensures reliable communication in industrial environments by providing immunity to electromagnetic interference (EMI) and enabling extended network spans.
Features
Equipped with one RS485 interface for standard PROFIBUS copper connections.
Features one glass fiber-optic cable interface consisting of two BFOC (Bayonet Fiber Optic Connector) sockets.
Integrated signaling contact for monitoring module status and diagnostic reporting.
Includes a dedicated test port for maintenance and troubleshooting.
Supports a wide range of PROFIBUS transmission speeds from 9.6 kbit/s up to 12 Mbit/s.
Designed for standard 24 V DC industrial power supplies.
Technical Specifications
Product Model
6GK1503-2CB00
Module Type
PROFIBUS OLM/G11 V4.0
Supply Voltage (Rated)
24 V DC
Voltage Range
18.8 to 28.8 V DC
Max Current Consumption
0.2 A
PROFIBUS Data Rate
9.6 kbit/s to 12 Mbit/s
PROFIBUS PA Data Rate
45.45 kbit/s
Interfaces
1x RS485, 1x Optical (2x BFOC sockets)
Protection
Integrated fusing at power supply input
Installation Guidelines
Ensure the module is mounted in a location with adequate ventilation to prevent overheating.
Use shielded cables for the RS485 connection to minimize noise interference.
Verify that the supply voltage is within the specified 18.8 V to 28.8 V DC range before powering on.
Ensure fiber-optic connectors (BFOC) are clean and properly seated to maintain signal integrity.
Always power down the system before inserting or removing the module from the DIN rail or backplane.
Follow standard ESD precautions when handling the device to prevent static damage to internal circuitry.
FAQ
What is the primary function of the 6GK1503-2CB00? This module acts as a bridge between copper-based PROFIBUS segments and fiber-optic segments, allowing for longer cable runs and protection against electromagnetic interference.
Does this module support PROFIBUS PA? Yes, it supports a transfer rate of 45.45 kbit/s for PROFIBUS PA applications.
What type of fiber connectors does this OLM use? The OLM/G11 V4.0 uses two BFOC (Bayonet Fiber Optic Connector) sockets for the glass fiber-optic interface.
