PAS PlantState Integrity™ - PowerGraphix

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Challenge Poorly designed human-machine interfaces (HMI) in the power industry hinder an operator's ability to rapidly recognize emerging abnormal situations, often leading to upset conditions and unplanned shutdown. With the advent of the distributed control system (DCS) in the mid-1970s, the operator's scope of responsibility increased considerably – more instruments and significantly higher number of alarms. In the rush to take advantage of the new microprocessor-based DCS, automation suppliers, engineering firms and operating companies overlooked the basic needs of the operator for clear and concise visibility to real-time information. In most control system upgrade projects, the operator interfaces were an afterthought, and little attention was given to the ergonomic design and the usability of the displays. Today, operator graphics at most plants are overloaded with information, are cluttered with inconsistent use of colors and lack proper pattern recognition. The power industry has identified improving the design of operator interfaces along with optimizing the alarm systems as critical safety and plant reliability opportunities. Solution The design of the human-machine interface (HMI) plays a critical role in determining the operator's ability to effectively manage the operation, particularly when faced with abnormal situations. Hexagon has developed the seven-step methodology for the practical implementation of High Performance HMI ™ in power plants. PAS PlantState Integrity ™ - PowerGraphiX is a high performance HMI solution for the power industry. It is a collection of predesigned operator graphics and object libraries for coal-fired, combined cycle and super critical power plants. PowerGraphiX has been implemented and operator tested at numerous power plants. Key Benefits: • Improves operator situational awareness • Standardizes templates for units and their subsystems • Reduces training and maintenance effort • Reduces engineering costs per unit by $50K+ • Reduces the number of graphics required by up to 75% PAS PlantState Integrity ™ - PowerGraphiX Significantly enhance situational awareness in the power industry Solution Sheet

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