The LNG plant on Das Island, Abu Dhabi, has been in operation since 1976. Its control system has been modernized from conventional analogue to a distributed control system (DCS) utilizing a Honeywell TDC3000 system. The Plant control was changed over from the old system to the new system on a loop by loop basis whilst the units remained in operation.

This paper outlines:

  • The various phases of the DCS retrofit project.

  • Change over planning and implementation.

  • Benefits gained from applying the modern control technology to the plant

  • Experience gained by ADGAS.

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