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Erschienen in:
2006 | OriginalPaper | Buchkapitel
A Simplified and Systematic Technique to Develop and Implement PLC Program for a Control Process
Erschienen in: Advances in Systems, Computing Sciences and Software Engineering
Verlag: Springer Netherlands
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Programmable logic controllers (PLCs) have made it possible to precisely control large process machines and driven equipment with less physical wiring and lower instabllation costs than required with standard electromechanical relays, pneumatic timers, drum switches, and so on. The programmability allows for fast and easy changes in relay ladder logic to meet the changing needs of the process or driven equipment without the nedd for expensive and time consuming rewiring. In this paper a target to develop, simulate and, implement PLC software for automation of a water treatment plant is achieved. The algorithm developed in this paper may be used to develop PLC based software for any control process.