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New modules connect optical and electrical Profibus networks

09.11.2010
The Siemens Industry Automation Division has developed new optical link modules (OLM) for Profibus networks.

The OLM P22 and OLM G22 modules each have two optical Profibus interfaces using bayonet fiber optic connector (BFOC) technology and two electrical interfaces of the sub-D type. This enables two separate electronic Profibus segments to be integrated into one optical network structure, such as a redundant ring.


Whereas the OLM P22 version supports plastic fiber-optic cable (FOC), the OLM G22 is designed for glass fiber-optic cable. Both have a signal contact as a measurement terminal with which the optical signal quality can be monitored.

The Siemens Profibus OLMs enable optical Profibus networks to be constructed using line, star and redundant ring structures. The transmission rate of a fiber-optic link of up to three kilometers in length is up to 12 Megabaud/second and does not depend on the distance.

Siemens offers a wide range of Profibus components for electrical and optical networks. OLM components safeguard the transition between the two types of network, thereby permitting the construction of hybrid structures.

The Siemens Industry Sector (Erlangen, Germany) is the world's leading supplier of environmentally friendly production, transportation, building and lighting technologies. With integrated automation technologies and comprehensive industry-specific solutions, Siemens increases the productivity, efficiency and flexibility of its customers in the fields of industry and infrastructure. The Sector consists of six Divisions: Building Technologies, Drive Technologies, Industry Automation, Industry Solutions, Mobility and Osram. With around 207,000 employees worldwide Siemens Industry posted sales of about EUR35 billion in fiscal year 2009. http://www.siemens.com/industry

The Siemens Industry Automation Division (Nuremberg, Germany) is a global leader in the fields of automation systems, industrial controls and industrial software. Its portfolio ranges from standard products for the manufacturing and process industries to solutions for whole industrial sectors that encompass the automation of entire automobile production facilities and chemical plants. As a leading software supplier, Industry Automation optimizes the entire value added chain of manufacturers—from product design and development to production, sales and a wide range of maintenance services. With around 39,000 employees worldwide (September 30), Siemens Industry Automation achieved sales of €7.0 billion in fiscal year 2009. www.siemens.com/industryautomation

Reference Number: IIA2010112603e

Peter Jefimiec | Siemens Industry
Further information:
http://www.siemens.de/profibus

Further reports about: Automation Building Technologies Division G22 OLM P22 Profibus financial sector optical network

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