Thursday, March 28, 2013

Wireless position monitor with on/off control for discrete valves

Cost-effective way to achieve wireless valve control with position feedback for quarter turn valves

Emerson Process Management has expanded its Smart Wireless solutions family with the release of the Fisher® 4320 Wireless Position Monitor with On/Off Control Output Option - the first and only WirelessHART® valve automation solution that includes linkage-less position feedback and discrete valve control.

Most process plants have thousands of discrete valves that are manually operated. From customers surveyed, 90% have had valve alignment issues in the past 12 months, resulting in spills, lost batches, and safety incidents. These customers are automating discrete valves each year; however the wiring costs of traditional automation prevent many from being converted from manual to automated control.

The Fisher 4320 Wireless Position Monitor with On/Off Control Output Option changes the economics of automating discrete valves as an alternative to solenoids and limit switches. By eliminating the need for wires, the project cost and project time are reduced by minimising engineering time, materials, control system I/O, and installation labour. For simplicity, traditional quarter turn valves and pneumatic actuators are used - only air is needed to automate a valve. Wireless valve solutions from Emerson install and commission quickly, providing users with a cost-effective way to achieve real-time discrete valve control with position feedback.

Like other devices in the Emerson wireless family, the Fisher 4320 has secure and reliable performance, a 5 to 10 year SmartPower™ battery life, and is fully compatible with existing Smart Wireless self-organising mesh networks.

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