May 1999

Fieldbus Technology

Lube oil blending plant revamps with fieldbus

The technology provided 3% capital savings, as well as ongoing engineering and maintenance benefits

Jacobs, P., Deutsche Shell AG

Deutsche Shell began using fieldbus technology at their Grasbrook site in Hamburg Germany several years ago while revamping their motor center, which controls pumping operations of base oils and finished products. Today, the company is saving over DM1.5 million in hardware and installation costs on a major plant revamp project by using PROFIBUS-DP and PA fieldbus communications between field instrumentation and the control room. The revamp became necessary to automate the blending process and to bring the plant up to modern safety and environmental standards. The opportunity has been taken by Shell to reinstrument the plant as well, in a project costing about DM45 million overal

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