Friday, November 13, 2009

Last ISAExpo, first outing for ISA100 wireless standard

ISA held its last ISAExpo in Houston.

In July this year the International Society of Automation (ISA) Standards & Practices Board (S&P) voted to approve the ISA-100.11a wireless standard Wireless Systems for Industrial Automation: Process Control and Related Applications, thereby making it an official ISA Standard. The approval of this major new industry standard by the ISA S&P Board certified that ISA's accredited procedures had been followed in the development of the standard.

This standard is intended to provide reliable and secure wireless operation for non-critical 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 addresses the performance needs of applications such as monitoring and process control where latencies on the order of 100ms can be tolerated, with optional behaviour for shorter latency.

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