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Automation Technologies 5/2014

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Automation Technologies 5/2014

Components and Software

Components and Software Redundant power supply up to the load Anja Moldehn In systems with the highest safety requirements, redundant power supplies and active redundancy modules ensure that the failure of a power supply unit does not result in downtime. Here, potential sources of error, from the supply cable and power supply to the load, should also be monitored. Launching a new process in the process industry always involves some significant challenges. How can reliable plant or system operation be tested, where just one minute of downtime has an impact to the tune of several million euros? This is why Zeton B.V., based in Enschede, The Netherlands, develops and builds pilot applications that create a bridge between test systems set up in chemical laboratories and the commercial production of new or improved products. The company only uses high-quality products in a redundant topology in the systems it builds. Certification according to ATEX as well as ACB tech- Author: Dipl.-Ing. Anja Moldehn, Marketing Communications, Power Supplies Business Unit, Phoenix Contact Electronics GmbH, Bad Pyrmont, Germany

Components and Software next page nology are the decisive reasons for selecting power supplies and redundancy modules from Phoenix Contact. Renowned customers from various sectors – such as the chemical, oil & gas industry and plastics technology – use pilot systems from Zeton to introduce a new refinery process, for example. “Of course, a high level of secrecy is required”, explains Hans Jurgen Koele, Project Manager with Zeton B.V. “Only a detailed, precise emulation of the process will provide the necessary information about its principle of operation and regarding optimization poten- About Company name: Phoenix Contact Electronics GmbH Headquarters: Blomberg, Germany Turnover: €1.64 billion in (2013) Employees: over 13,000 worldwide Products: products and solutions for all aspects of electrical engineering and automation tial”, he adds. The project engineers from Zeton have the necessary process know-how. The engineering and construction are also done in Enschede. The pilot plant requires 750 kW to operate it The 24 V power supplies must always function perfectly even under adverse conditions. An example for the dimensions of the abovementioned pilot plant is a completed project, where a completely new process is being implemented. After a construction time of about nine months, the two large function blocks are nearing completion. They are already impressive at a height of 41 m; however, the future production system will have a significantly larger footprint. Just this pilot plant alone requires 750 kW to operate it. In Enschede, the test runs focus on testing the general process, for instance, whether all of the valves and controls operate perfectly. Generally, the pipes are filled with water, nitrogen and air, as customers themselves will test the actual chemical reactions at a later date. A The distributed control cabinets ensure a high degree of plant availability as a result of the redundant configuration and the active redundancy module AUTOMATION TECHNOLOGIES 5/2014

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