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Posts Tagged ‘HART diagnostics’

Staying on Schedule through Diagnostic Detection

Posted in Refining, Safety on Friday, December 10th, 2010. No comments yet
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Emerson’s David Sheppard, a certified functional safety expert, passed along a great story of a recent refinery incinerator startup. Over the course of a week, the incinerator was taken down so that the emergency shutdown system (ESD) and process control-related instruments could be cut over. By the end of the week, the loop tests were […]

Adding Wireless Level Measurement Diagnostics

Posted in Measurement, Wireless on Friday, July 23rd, 2010. No comments yet
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A colleague pointed me to a recent ConnectingIndustry.com article, Taking wireless level data acquisition to HART. Emerson’s Catrine Bengtsson shared her expertise for this article. Many plants have legacy control systems with analog input (AI) and analog output (AO) channels that cannot bring in the HART digital signal superimposed on the 4-20mA analog signal. She […]