Safety Instrumented Systems (SIS) According to IEC 61511

1) Course Introduction

This course explains the lifecycle, design, validation, and maintenance of Safety Instrumented Systems under IEC 61511 standards.

At the functional safety core, Seattle International Institute for Training integrates SIL determination, reliability models, and practical verification practices.

2) Key Learning Objectives

Participants will learn to:

• Understand SIS lifecycle and functional safety standards
• Perform SIL classification and verification
• Implement safe design and proof-testing procedures
• Maintain SIS reliability and documentation
• Integrate SIS within emergency shutdown systems

3) Target Audience

• Safety engineers
• Instrumentation engineers
• Control system designers
• Operations supervisors

4) Course Importance & Business Impact

SIS reliability prevents catastrophic failures and strengthens process safety.

5) Practical Modules / Key Topics

• IEC 61511 lifecycle
• SIL determination
• Hardware fault tolerance
• Proof-testing procedures
• SIS operation & maintenance