Silvertech

A Rockwell Automation / Tamimi Joint Venture Company

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United Arab Emirates

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  • Das Island Boilers Control System Upgrade

Das Island Boilers Control System Upgrade

ADMA-OPCO operates 5 boilers (Boiler # 3, 4, 5, 6 & 7) at Das Island. Currently, the operation of all the 5 Boilers is from the Utility Control Room (UCR). The Boiler Control Systems (BCS) of Boilers 3 & 4 were pneumatic and the Burner Management Systems (BMS) were relay based. For Boiler 5, the Boiler Control System was implemented using electronic single loop controllers and a Modicon 984 PLC based Burner Management System with a back-up relay cabinet. The Boiler Control Systems and Burner Management System of Boiler 6 & 7 were implemented using GE Fanuc 90-30 PLC based duplex systems. The HMI was InTouch Wonderware 7.0 installed on two operator workstations to operate Boilers 6 & 7 over a simplex Genius Bus LAN.

As part of this project, the Boiler Control Systems and Burner Management Systems of Boiler 3, 4 & 5 were replaced with GE Intelligent Platforms (GEIP) PLC based systems. The existing two workstations were replaced with three new operator workstations of Server grade and the existing GEIP 90-30 PLC based Boiler Control Systems and Burner Management Systems of Boilers 6 & 7 were modified and interfaced with the three new workstations over a redundant Ethernet LAN.

The BCS was implemented using Hot-Standby Redundant GEIP Series 90-70 PLCs while the BMS was implemented using duplex GEIP Series 90-70 GMR (Genius Modular Redundancy) PLCs certified to SIL-3. The HMI was upgraded to InTouch Wonderware 9.5.


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