Control Solutions Magazine, September 2001
Manufacturers will certainly consider widely applying digital fieldbus transmitters and control devices in new plants and for major retrofits. However, given today's money-tight, manpower-short conditions, it is unreasonable to expect users to spend the dollars required to implement a wholesale, field-level instrument retrofit to accommodate new digitally communicating instruments. In this article, our Vice President of Engineering Joe Hage discusses ways to use HART Loop Monitors to "unlock the hidden secrets" of in-place legacy instruments and achieve similar process improvements and diagnostic capabilities as would be available with all-digital strategies.
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