17 April 2007

Wireless HART spec goes out for approval

Wireless HART is one step closer to getting products out to market as the HART Communication Foundation (HCF) completed the draft specifications for its wireless protocol, Ron Helson, HCF executive director said Tuesday at Hannover Fair in Hannover, Germany. The specification now goes into the approval stage.
“This is a major step for the industry and a major milestone for the process control industry,” Helson said.
The organization expects approved specifications by August and new products on the market by the end of this year or early next year, Helson said.
The wireless technology will enable manufacturers to garner more information on process parameters and to monitor performance of plant assets in areas that had not been accessible due to cost or technical reasons, he said.
For the technology to gain acceptance, it has to be easy to use. While the technology behind the scenes may be complex, “we have to keep it simple for users and for suppliers,” Helson said. “We want to enable access to devices users were not able to connect to before.”
The immediate goal for wireless HART is to allow greater asset management, data acquisition, and high speed monitoring.
“We are not building wireless refineries yet. This will allow access to information manufacturers could not get to before.”
Helson did say, though, the technology could support a control of a closed loop scenario where it was appropriate.
Helson said when the wireless protocol is up and running he could see a big jump in device installations. Right now there are over 2 million HART device installations a year. Helson said conceivably they could see the amount of installations double on a yearly basis. There are between 23 million and 25 millions devices installed globally, Helson said.

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