The Vnet/IP control network protocol for process automation developed by Yokogawa Electric Corporation has been unanimously accepted by the International Electrotechnical Commission (IEC)* as a part of international standard IEC 61784-2 Ed.1.0.
The Vnet/IP plant control network protocol is based on 1 Gbit/s high-speed Ethernet and features both the openness of Ethernet and the reliability and real-time capability required in plant control. Concurrent with Yokogawa”s development of the Vnet/IP control network protocol for the flagship CENTUM CS 3000 R3 system, the company has been actively engaged from the development stage in standardization activities with a view to this receiving approval as an international standard control network.
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Vnet/IP was accepted by the IEC for publication as Publicly Available Specification (PAS) No. IEC/PAS 62405/Ed.1 in April 2005. This was an important step in the direction of being accepted as an international standard. PAS is a mechanism for popularizing new technologies in fields where technological advances occur quite rapidly, allowing for the public disclosure of specifications before the IEC officially certifies the technologies as international standards.
Masatoshi Nakahara, Vice President of the Industrial Automation Business Headquarters, had the following to say about the IEC approval: The fact that Vnet/IP has been accepted by the IEC means that Vnet/IP will enter wide use as a standard network protocol and be used by other manufacturers in combination with their own products. We expect that Vnet/IP will grow and develop. Yokogawa has gained recognition for its excellent technological capabilities and product quality. We expect that this achievement will further increase Yokogawas visibility in the global plant control systems market.
For more information contact Yokogawa UK Ltd, Runcorn, Cheshire
Tel: +44 (0) 1928 597100 Fax: +44 (0) 1928 597101
E-mail: info@yokogawa.co.uk Web: www.yokogawa.com/eu
