By combining the best of programmable controllers with distributed control systems, the ProcessLogix(TM) system from Rockwell Automation's Allen-Bradley division is said to deliver the next generation control architecture for integrated sequential, motion, process, and drive-system applications. The system is a server-based, distributed control system. Based on the company's ControlLogix architecture, ProcessLogix blends software, hardware, and a global database into a single entity. Process-Logix system uses ControlNet to communicate between the core components. The physical cabling is based on the commonly available RG-6/U Quad-Shield cable and ControlNet taps, providing easy installation and immunity from EMI/RFI. Developers can use hundreds of standard displays such as alarms, trends, history, and reporting for fast set-up. The system also includes an object-oriented custom display builder with a library of commonly used plant equipment. Rockwell Automation, Allen-Bradley, Product Code 4299.
A bold, gold, open-air coupe may not be the ticket to automotive nirvana for every consumer, but Lexus’ LF-C2 concept car certainly turned heads at the recent Los Angeles Auto Show. What’s more, it may provide a glimpse of the luxury automaker’s future.
The complexity of diesel engines means optimizing their performance requires a large amount of experimentation. Computational fluid dynamics (CFD) is a very useful and intuitive tool in this, and cold flow analysis using CFD is an ideal approach to study the flow characteristics without going into the details of chemical reactions occurring during the combustion.
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