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Posts Tagged ‘HART pass-through’

Providing Operators Process Control Valve Position Feedback

Posted in Final Control Element, Wireless on Friday, January 10th, 2014. 12 comments so far
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Control systems provide signals to control valves to regulate their position per the requirements of the control strategy. It is good engineering practice, especially for critical control valves to have valve travel feedback from independent devices such as position transmitters, limit switches, or positioner output feedback. Emerson’s Riyaz Ali, whom you may recall from earlier […]