Computer and Modernization ›› 2012, Vol. 198 ›› Issue (2): 61-65.doi: 10.3969/j.issn.1006-2475.2012.02.017

• 计算机控制 • Previous Articles     Next Articles

Research and Application of PLC Software Redundancy in Continuous Supply of N2

ZHANG Xiao-hui, YUAN Min   

  1. The Key Laboratory of Marine Technology and Control Engineering Ministry of Communications P. R. China, Shanghai Maritime University, Shanghai 201306, China
  • Received:2011-10-13 Revised:1900-01-01 Online:2012-02-24 Published:2012-02-24

Abstract: This paper introduces a lowcost PLC redundancy system——the application of Siemens PLC software redundancy in a continuous supply of N2. The paper also provides a detailed description and illustration for the composition of the system and the software configuration, finally it introduces the design and realization of the software redundancy programming.

Key words: PLC, software redundancy, WinCC, continuous supply of N2

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