Methods and Techniques of Improving the Safety Classification of Programmable Logic Controller Safety Systems

  • C. J. Goring

Abstract

This paper provides guidelines on the approaches that can be taken to improve the safety classification of Programmable Logic Controller Safety Systems.

For reference the VDE 801 Classification, the draft IEC 65A Working Group papers and the ISA SP84 draft documents are taken as providing the safety metrics to be achieved.

Keywords

Harness Clarification HAZOP 

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References

  1. PES I and PES II Health and Safety ExecutiveGoogle Scholar
  2. DIN VDE 801 German DIN StandardGoogle Scholar
  3. IEC WG10 (Draft) IECGoogle Scholar
  4. ISA SP84 (Draft) ISAGoogle Scholar
  5. “Risk and System Integrity Concept for Safety Related Control Systems” R Ball and D Reinert - ButterworthHeinemannGoogle Scholar

Copyright information

© Springer-Verlag London Limited 1994

Authors and Affiliations

  • C. J. Goring
    • 1
  1. 1.August Systems LimitedUK

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