Yokogawa backs ISA100.11a wireless standard
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Yokogawa product story
Edited by the Engineeringtalk editorial team
Jun 8, 2009
Yokogawa Electric is promoting efforts to develop the ISA100.11a wireless communication standard for the process-automation industry.
Based on this standard, Yokogawa will develop a new field digital-network platform that will enhance productivity - both by eliminating the difficulties users currently face with incompatible wireless-communication protocols and by enabling the systematic integration of wired and wireless technologies.
Wireless networks offer many advantages to the process-automation industry, including reduced wiring and engineering costs, the ability to install sensors in difficult-to-wire locations and improved plant safety through the ability to perform low-cost online device diagnostics.
Despite such benefits, wireless networks have seen limited use to date in the process-automation industry, because of the requirement for advanced technologies to ensure high reliability, real-time response, environmental resistance and explosion-proof protection, and also because of the use of incompatible wireless-communication protocols.
Yokogawa is supporting development of the ISA100.11a standard because it has the following benefits: its reliability helps to ensure safe production operations and information security; it is based on IPv6 and can accommodate larger networks; it offers excellent compatibility with existing instrumented systems that use non-wireless protocols, such as Foundation Fieldbus, Hart, Profibus and Modbus; and it is suitable for a wide range of applications, from monitoring to control.
As a member of the ISA100 Standards Committee on Wireless Systems for Automation, Yokogawa will engage in a range of activities to promote development of the ISA100.11a international standard.
Yokogawa will also strengthen its expertise in field installations by conducting product testing in the field and proposing wireless applications.
Yokogawa will also develop systems products and field devices that comply with this standard and plans to release them in the first half of the 2010 fiscal year.
ISA100.11a is a proposed wireless communications standard for the process-automation industry that was approved in April 2009 by the ISA100 Standards Committee of the International Society of Automation (ISA).
Subsequent to this approval by the committee, it is expected that the draft standard will be approved by the ISA Standards and Practices Board and ratified by the American National Standards Institute (ANSI).
The standard will then be submitted for the review of the IECSC65C Subcommittee of the International Electrotechnical Commission (IEC).
IPv6 is a next-generation internet layer protocol that succeeds the current, widely used IPv4 protocol.
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