How Automation Saved the Day for an Indian Refinery

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TURCK GmbH

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Pepperl+Fuchs SE

Suryanarayana explained, “P+F provided Fieldbus power supplies and other FF products with excellent performance and support records to our earlier projects in Phase I, II and in the GOHDS project.” Regional Sales Director - Process Automation Division – Middle East & India, Pepperl+Fuchs (India) Pvt Ltd, Thampy Mathew stated, “MRPL had planned to expand its refinery capacity to 15 MMTPA as well as wanted a few new units to operate on less expensive crude, upgrade the entire range of HSD into BS III/IV grade, etc.

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For this, they were looking for solutions to enhance the automation in the plant.” P+F conducted several presentations and demonstrations of its solutions over a two-year period, following which the company was selected as the main automation vendor for the Phase III project.

From Interfaces to Field Units: Solutions Incorporated

In order to help MRPL achieve its required objectives, P+F provided them with a range of interface products for enhancing process automation. Speaking on the importance of automation in process industries, Matthew explained, “Without automation, operators and workers have to monitor and implement manual settings to get the desired output. With an automated process, optimum production is achieved and very high quality of product can be produced. Automation also facilitates effective monitoring and maintenance of a plant.”

One of the solutions proposed by P+F was the Fieldbus Exic solution with restricted voltage in control room and current in the field. This enabled the connection of upto seven devices per segment instead of the 4 to 5 allowed on the previous solution. In addition to the getting increased lengths in segments of up to 600 mt, live maintenance and integrating this solution with an asset management system for monitoring purposes was possible.

The other solution incorporated was the FieldConnex Multi Input Temperature Multiplexer to combat the issue of having several meter long sensor cables to monitor temperature signals. Incorporation of this solution allowed for multiple conventional inputs and outputs to the fieldbus with minimum cabling. Moreover, the I/O is powered by the fieldbus, providing for further savings on cabling.

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