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  5. Design & Operation of a Safety Instrumented System (SIS)

Design & Operation of a Safety Instrumented System (SIS)SEC/SIS-E

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Who should attend?

  • This course ensures that design, operation and maintenance of a SIS will meet the expected risk reduction.
Audience :
  • Engineers and technical staff involved in design, operation and maintenance of SIS.

Level : Proficiency

Course Content

  • SIS & INDUSTRIAL RISK MANAGEMENT

      • Identification of required Safety Instrumented Function (SIF) with safety reviews (LOPA & HAZOP).
      • Concept of Independent Protection Layer (IPL).
      • Determination of required Safety Integrity Level (SIL) using a risk matrix.

  • SIS DESIGN

      • Functional Specification: SIF allocation, cause/effect matrix, functional analysis, redundancies and fault tolerance requirements according to SIL.
      • System specification: Safety Programmable Logic Controller (S-PLC), Man Machine Interface (MMI).
      • Software specification: voting, maintenance bypasses and sensor signal analysis. Actuators discrepancy management.
      • Hardware specification: recommended technologies for sensors and actuators.
      • SIS validation: required documents; Factory and Site Acceptance Tests (FAT - SAT).

  • SIS OPERATION

      • Management of bypasses and changes.
      • Definition, implementation and optimization of inspection and test program.

  • MINI-PROJECT

      • Step by step application of IEC methodology to a small process unit:
      • Risk and IPL analysis.
      • SIS specification.
      • Test definition including periodicity.
      • Test procedure validation.

Learning Objectives

  • Upon completion of the course, participants will be able to:
  • specify the expected risk reduction factor,
  • understand the Safety Integrity Level (SIL) concept,
  • use the IEC 61511 methodology for design and operation.

Ways & Means

  • Step by step case study.
  • Case studies occurred in industrial plants.
  • Proactive teaching methodologies and numerous exercises.