ISA100 Wireless Standard Receives IEC Approval

First industrial wireless standard developed with direct end-user participation and support

Research Triangle Park, North Carolina, USA (16 September 2011) – ISA-100.11a-2011, “Wireless Systems for Industrial Automation: Process Control and Related Applications,” has been approved by the International Electrotechnical Commission (IEC) as a publicly available specification, or PAS. This follows its approval earlier this year as an ISA standard, developed per ISA’s open consensus process as accredited by the American National Standards Institute (ANSI).

“There has been a great deal of interest to move ISA-100.11a into the IEC process, and I am very pleased this has been accomplished with its unanimous approval as an IEC PAS," stated Tony Capel of Comgate Engineering, who is the chair of IEC SC65C, the committee that will oversee the standard. “An IEC PAS allows the early publication of a standard that has obtained consensus in a professional society such as ISA, and will further promote the use of this standard throughout the world,” added Capel, who serves on the Canadian National Committee to the IEC.

Unlike nonaccredited processes typically used by vendors’ consortia to develop specifications, ISA’s ANSI-accredited procedures call for direct participation and voting by experts from end-user companies, ensuring that their views and needs are heard and reflected in the resulting standard. ISA-100.11a-2011 received overwhelming approval from voting members on ISA100 who represent end-user companies where wireless systems will be deployed in real-world industrial applications.

"From my perspective of 42 years as an end user in the refining and petrochemical industry, I am especially proud that ISA-100.11a is the first industrial wireless standard developed in an open, accredited standards process with direct input and participation of experts from end-user companies," stated ISA100 Co-chair Herman Storey of Herman Storey Consulting. "The fact that 92% of ISA100 voting members from end-user companies cast ballots to approve the standard sends a very strong message to industry, in my view."

ISA-100.11a-2011 was developed to provide reliable and secure wireless operation for noncritical monitoring, alerting, supervisory control, open loop control and closed loop control applications. The standard defines the protocol suite, system management, gateway and security specifications for low-data-rate wireless connectivity with fixed, portable and moving devices supporting very limited power consumption requirements. The application focus is to address the performance needs of applications, such as monitoring and process control, where latencies on the order of 100 ms can be tolerated, with optional behavior for shorter latency.

With over 600 members from across the globe, ISA100 brings together wireless experts representing diverse industrial and technical interests in an open forum. For more information on ISA100, contact Linda Wolffe, lwolffe@isa.org or visit www.isa.org/standards.

About ISA
Founded in 1945, the International Society of Automation (www.isa.org) is a leading, global, nonprofit organization that is setting the standard for automation by helping over 30,000 worldwide members and other professionals solve difficult technical problems, while enhancing their leadership and personal career capabilities. Based in Research Triangle Park, North Carolina, ISA develops standards, certifies industry professionals, provides education and training, publishes books and technical articles, and hosts conferences and exhibitions for automation professionals. ISA is the founding sponsor of the Automation Federation (www.automationfederation.org).

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