Innovative safety position switches for protective doors make plants and machinery ready for restart quickly
The Sirius 3SF1324 position switch is especially advantageous for safety door tumblers connected in series or when several protective doors are to be controlled as a group. It is no longer necessary to open and close each door individually in order to establish the safe state.
This both reduces downtimes and ensures that the machine or plant resumes operation much quicker. The engineers at Siemens have developed a special logic for the new position switches: the double evaluation of the actuator required for safety category SIL 2 / PL d now takes place within the switch. This information is then reported safely to the control system via one of the two ASIsafe transmission channels, while the second channel is simultaneously used for the operating status signals or status query of the door interlock magnets.
The Siemens Industry Sector (Erlangen, Germany) is the worldwide 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 (September 30), Siemens Industry achieved in fiscal year 2009 total sales of approximately €35 billion.
The Siemens Industry Automation Division (Nuremberg, Germany) is a worldwide 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.
Reference Number: IIA2010072242e
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Machine engineering is one of Germany’s key industries. The importance of this segment has led to the creation of new university degree programs in fields such as production and logistics, process engineering, vehicle/automotive engineering, production engineering and aerospace engineering among others.
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