Support shown for ISA100.11a wireless standard
Author : Amy Hollamby
28 July 2010
Yokogawa Electric Corporation has developed a range of field wireless devices based on the ISA100.11a industrial wireless communications standard, it was revealed at the recent Yokogawa European User Conference in Amsterdam.
Support shown for ISA100.11a wireless standard
Other major control and automation vendors, including Emerson, ABB and Siemens are offering devices based on a rival WirelessHart standard, which are already being used in various applications in the process industries. But Yokogawa is the first company to launch ISA100.11a products to the market.
These wireless products include an EJX-B series differential pressure and pressure transmitter, a YTA series temperature transmitter, and an integrated field wireless gateway which connects field wireless devices with a host system and provides a number of field wireless network setting and management functions in field sensor networks.
These field wireless devices are expected to satisfy a wide variety of requirements in the industrial automation field. To help companies achieve ever higher levels of productivity, Yokogawa will continue to develop various kinds of field wireless devices for both monitoring and control applications, and is also proposing the development of new field digital networks that integrate wireless and wired technologies.
Along with the wireless products, Yokogawa announced it was going to provide a full range of plant services for the design and commissioning of wireless networks in industrial plants. These would include site survey, network design, security design, commissioning, and training
So, with two wireless standards emerging, why did Yokogawa choose ISA100.11a rather than WirelessHart?
ISA100.11a is a standard driven by end users, not vendors. BP, Chevron, ExxonMobil, and Proctor and Gamble, have demonstrated their commitment to ISA100.11a, by voting to approve the standard. The ISA100.11a instruments Yokogawa have launched are in response to what they have been told the end user wants.
As well as being driven by the end-user the ISA100.11a is also technologically superior since it is based on proven standards that address the fully wireless solution, including areas such as sensors, video, personnel tracking, voice over IP and RFID tagging.
Control and safety applications cannot yet be achieved with the current technology. The ISA100.11a standard fully supports this goal. Today open-loop control is already possible; in the future supervisory and regulatory control will be executed wirelessly.
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