Control Over Wireless: Current Applications and Future Opportunities
Jay Werb, ISA100 Wireless Compliance Institute
Soroush Amidi, Honeywell Process Solutions
Background
This paper describes how systems based on the ISA100.11a [1] wireless standard can be used for control.
When industrial users consider applications for wireless control, they generally cite three key benefits: improved reliability, improved control, and cost savings.
Improved reliability: In some situations where wired connections are exposed to extreme conditions, a wireless replacement can actually be more reliable. In other situations, a redundant wireless connection can serve as a backup for wiring.
Improved control: With introduction of wireless sensing devices, it becomes reasonable to add additional sensing points to a process, for more optimal operation.
Cost savings: Up to 90% of installed cost of conventional measurement technology can be for cable conduit and related construction. New applications are now economically feasible with wireless, and some existing applications can be more widely deployed.
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