Yokogawa Electric Corporation announces that on 10 March, 2005, TÜV Rheinland (TÜV), a German certification organisation, certified the compliance of the Yokogawa's ProSafe-RS Safety System with the IEC 61508 and IEC 61511 international standards and approved its use in SIL3 applications. ProSafe-RS is the world's first safety system to receive SIL3 certification under the IEC 61511 standard.
The IEC 61511 functional safety standard for the process automation field was established by the International Electrotechnical Commission (IEC) in 2004. A safety system that meets the IEC 61511 standard will constantly monitor the status of oil, natural gas, petrochemical, and other process applications and ensure safety by shutting down a plant if any condition is detected that exceeds a preset threshold.
In addition to acquiring IEC 61508 certification for general functional safety, Yokogawa's ProSafe-RS has been certified as meeting the IEC 61511 standard for process automation. This latest certification of IEC 61508 and IEC 61511 compliance attests to the high level of Yokogawa's technology and the quality of its safety instrumented system. The company is playing an expanding role in the worldwide process control and safety system market.
Yokogawa is resolved to further enhance its capability to provide solutions centred on the world-class CENTUM series production control system and the ProSafe-RS Safety System, and is committed to achieving the top position in the global industrial automation market by 2010.
About Yokogawa
Yokogawa's global network of 18 manufacturing facilities, 82 affiliate companies, and over 650 sales and engineering offices spans 28 countries. Since its founding in 1915, the US$4 billion company has been engaged in research and innovation, securing more than 7000 patents and registrations, including the world's first digital sensors for flow and pressure measurement. Industrial automation and control, test and measurement, information systems and industry support are the core businesses of Yokogawa: www.yokogawa.com.
About Yokogawa South Africa
Yokogawa South Africa was originally founded in 1978 as Delta Controls, the exclusive distributor of Yokogawa Process Control and Instrumentation (PCI) products in South Africa. In 1997 Delta Controls became a wholly owned subsidiary of Yokogawa Europe. The main Yokogawa product groupings are: recorders, controllers, transmitters, flowmeters, analytical (liquid and gas), PLCs as well as control systems. The company is also an exclusive distributor for American Meter and Dresser gas equipment, Barksdale pressure and level devices and Kinetrol actuators.
* SIL3: safety systems must be tested by a third party to be certified for SIL. The risk factor of a plant with SIL3 safety measures is 1/10 000, while that without such measures is 1/1000. The risk factor of a plant with SIL1 safety measures is 1/100, while that without such measures is 1/10.
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