• May 2009: the ISA100 standards committee voted to approve ISA100.11a, "Wireless Systems for Industrial Automation: Process Control and Related Applications". • July 2009: Nivis announced ISA100.11a software. • September 9, 2009: ISA officially released ISA100.11a. • October 2009: Arkema in
Crosby, Texas, in conjunction with the ISA100 Wireless Compliance Institute, conducted a multi vendor interoperability test. •
Honeywell Process Solutions announced ISA100.11a compliant starter kits and complete systems. •
Yokogawa announced products based on ISA100.11a standards, including wireless gateway with pressure and temperature transmitter. • 2010: the ISA100 committee approved a major corrigendum to the 2009 edition of the standard reflecting comments received from organizations implementing the standard, and other commenters seeking clarification. The 2010 edition of the standard was submitted to the IEC SC65C in the form of a PAS (Publicly Available Specification) and as a New Work Item for international standardization. In this form, it has been numbered as IEC 62734. ==References==