SimSci-Esscor releases enhanced flowsheeting and process optimization solution

PRO/II System Offers Improved Unit Operations, Third-Party Connectivity and Batch Distillation Upgrades

LAKE FOREST, Calif.--(BUSINESS WIRE)--Aug. 17, 2004--SimSci-Esscor (UIR:JXT7272), an operating unit of Invensys Systems, Inc., today announced the release of its PRO/II v7.0 system, an enhanced steady-state flow sheeting and optimization simulation solution. The PRO/II solution is designed to address the complex challenges faced by process industries.

Providing users with the capability to simulate the entire facility, the new enhancements to the PRO/II system can significantly improve engineering productivity by reducing model development time. Plants can increase flexibility and profitability through enhanced process engineering design and operational analysis. The PRO/II system performs rigorous mass and energy balances for a wide range of plant processes from oil and gas separation to reactive distillation. It is utilized by a variety of industries including oil and gas processing, refining, petrochemical, chemical, pharmaceuticals, engineering and construction.

"SimSci-Esscor is committed to upgrading core products such as the PRO/II solution to meet new customer demands as well as evolving technological challenges," said Alastair Fraser, SimSci-Esscor's vice president of SimSci-Esscor's simulation business line. "The latest enhancements we've made to this flowsheeting and optimization solution make it one of the most advanced solutions in the market and position it as a global industry standard for the petroleum refining and petrochemical industries for years to come."

The upgraded system provides a direct link to the Xist heat exchanger program developed by Heat Transfer Research, Inc. (HTRI). Users can access the HTRI Xist user interface directly from the PRO/II system's graphical user interface for data entry and results review. SimSci-Esscor's solution can transfer input data from the rigorous heat exchanger to the Xist program or back.

Additional enhancements to the PRO/II system's openness and software connectivity provide engineers with better connectivity to third-party calculation packages. Complying with the Global Computer Aided Process Engineering (CAPE-Open) standards, the solution provides support for integration of third-party thermodynamic property packages and unit operations that adhere to the CAPE-Open standard.

The system includes enhancements to the batch distillation module which enable users to perform a variety of tasks such as calculating vapor-liquid-liquid equilibrium at the condenser and allowing condenser and reboiler conditions to be used as specifications. The upgraded module also enables users to draw trend graphs that demonstrate how each of the variables will change during operation. The upgrade also supports copy and paste functionality for unit operations. New feed and product streams are automatically created for a pasted unit operation and the internal specifications of the old unit are duplicated to the new unit.

Other new features include seamless integration with Dynsim, SimSci-Esscor's dynamic process simulator solution, and upgraded transport property methods that provide new calculation procedures for liquid density, liquid viscosity, liquid thermal conductivity, surface tension and vapor viscosity.

About SimSci-Esscor

SimSci-Esscor, an operating unit of Invensys Systems, Inc., is a leader in the development and deployment of industrial process simulation software and systems for a variety of industries, including oil and gas production, petroleum refining, petrochemical and chemical manufacturing, electrical power generation, mining, pulp and paper, and engineering and construction. SimSci-Esscor solutions enable clients to minimize capital requirements, optimize facility performance, and maximize returns on investments in producing assets. SimSci-Esscor supports more than 750 client companies in more than 70 countries. For more information, visit the SimSci-Esscor Web site at

About Invensys

Invensys is a global automation, controls and process solutions group. Products, services, expertise and ongoing support enable intelligent systems to monitor and control processes in many different environments. The businesses within Invensys help customers in a variety of industries perform with greater efficiency, safety and cost-effectiveness. Industry areas of focus include hydrocarbons, chemicals, oil and gas, power and utilities, rail, telecommunications, paper, food and beverage, dairy, pharmaceuticals and personal care.

Process Systems provides products, services and solutions for the automation and optimization of plant operation in the process industries. Featuring industry-leading brands such as Foxboro, Triconex, SimSci-Esscor and Wonderware, Process Systems occupies a top-tier position in the DCS, safety, simulation and HMI markets. Products are installed in more than 100,000 plants worldwide. Serving process and batch industries, including hydrocarbons, chemicals, power and utilities and metals and mining, and also the discrete and hybrid manufacturing sectors, Process Systems is at the forefront of technological innovation, with new award-winning products and technologies such as the ArchestrA architecture, Digital Coriolis flow meter sensors and DolPhin pH sensors.

Also within the Invensys Group, APV specializes in process equipment engineered into systems and asset services for food, beverage, personal care, pharmaceutical and chemical clients. Eurotherm is a leading supplier of control and measurement instrumentation solutions and services to industrial and process customers. Rail Systems is a multinational leader in the design, manufacture, supply, installation, commissioning and maintenance of safety-related rail signaling and control systems. Climate Controls is a major provider of the components, systems and services used globally to make commercial and residential environments safer, more comfortable and more efficient. Appliance Controls has the broadest system and component offering for the appliance industry worldwide.

The Invensys Group is headquartered in the U.K. and listed on the London Stock Exchange. With 39,000 employees operating in 60 countries, Invensys helps customers to improve their performance and profitability, building value for end users and shareholders alike. For more information, visit

Invensys; Wonderware; Foxboro; Triconex; SimSci-Esscor; Dynsim; PRO/II; DolPhin; APV and Eurotherm, are trademarks or servicemarks of Invensys plc, its subsidiaries and affiliated companies. All other brands and product names may be the trademarks of their respective owners.

Comm Strategies (for SimSci-Esscor)
Laurie Nalezny or Kari Garcia, 949-753-9292, 
ext. 266 or 244

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