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August 3, 2011 -- Siemens Industry introduced two 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 sub-D type interfaces.
Both modules allow two separate electronic Profibus segments to be integrated into one optical network structure, such as a redundant ring, line and star. The OLM P22 version supports plastic fiber-optic cable (FOC), the OLM G22 is designed for glass fiber-optic cable. They also offer a signal contact as a measurement terminal to monitor optical signal monitored.
Siemens Industry
Siemens Industry, Inc. is the U.S. affiliate of Siemens’ global Industry Sector business—the world’s leading supplier of production, transportation and building technology solutions. The company’s integrated hardware and software technologies enable comprehensive industry-specific solutions for industrial and infrastructure providers to increase their productivity, sustainability and profitability. The Industry Sector includes six divisions: Building Technologies, Industry Automation, Industry Solutions, Mobility, Drive Technologies and Osram Sylvania. With nearly 204,000 Siemens Industry Sector employees worldwide, the Industry Sector posted a worldwide profit of $4.7 billion on revenues of $47.3 billion in fiscal 2010.
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