Journal of South China University of Technology(Natural Science Edition) ›› 2003, Vol. 31 ›› Issue (3): 32-35.

• Power & Electrical Engineering • Previous Articles     Next Articles

Analysis to Typical Control Circuit According with Safety for Man and Machine in Industry Control System

Chen Li-ding1   Tang De-ming2   

  1. 1.College of Automation Science and Engineering‚South China Univ.of Tech.‚Guangzhou510640‚China;
    2.Architecture Design and Research Institute‚South China Univ.of Tech.‚Guangzhou510640‚China
  • Online:2003-03-20 Published:2022-04-22
  • Contact: 陈立定(1964-)‚男‚副教授‚主要从事智能控制和电器控制系统研究.
  • About author:陈立定(1964-)‚男‚副教授‚主要从事智能控制和电器控制系统研究.

Abstract: Technical principles and specifications of the five-safety grade standards in industry control system are introduced in this paper.The standards accord with IEC60204-1and EN954-1.On the basis of each safety grade’s characteristis‚some typical circuits are given and their working principles are analyzed.

Key words: control system, safety standard, circuit analysis

CLC Number: