Scada System

Topics: SCADA, Process control, Control theory Pages: 4 (1115 words) Published: May 30, 2012
Supervisor control and data acquisition

I am going to discuss in brief the SCADA system in GASCO which is one of the biggest MIS in Egypt as it responsible for control natural gas all over Egypt. GASCO (Egyptian natural gas company), is the greatest and the only company in Egypt responsible for transmition of natural gas all over Egypt starting from natural gas wells in seas or deserts and finally to the huge customers (i.e electrical power station, cement and steel factories)

SCADA system
A SCADA (or supervisory control and data acquisition) system means a system consisting of a number of remote terminal units (or RTUs) collecting field data connected back to a master station via a communications system. The master station displays the acquired data and also allows the operator to perform remote control tasks. The accurate and timely data (normally real-time) allows for optimization of the operation of the plant and process. A further benefit is more efficient, reliable and most importantly, safer operations. This all results in a lower cost of operation compared to earlier non-automated systems. There is a fair degree of confusion between the definition of SCADA systems and process control system. SCADA has the connotation of remote or distant operation. The inevitable question is how far ‘remote’ is – typically this means over a distance such that the distance between the controlling location and the controlled location is such that direct-wire control is impractical (i.e. a communication link is a critical component of the system). A successful SCADA installation depends on utilizing proven and reliable technology, with adequate and comprehensive training of all personnel in the operation of the system. There is a history of unsuccessful SCADA systems – contributing factors to these systems includes inadequate integration of the various components of the system, unnecessary complexity in the system, unreliable hardware and unproven software. Today...
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