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FSM TA HOME PAGE > ADDRESSING YOUR CHALLENGES > WHAT ARE THE KEY REQUIREMENTS FOR ENSURING SUCCESSFUL SIS DESIGN?

 

 

Addressing your challenges

 

 
 

What are the key requirements for ensuring successful SIS design?

 

What do we mean by a risk-based design approach?

It is recognized that Safety Instrumented Systems (SIS) are used to provide protection of hazardous industrial processes. SIS failure could have an impact on the safety of the persons and/or the environment and/or serious economic implications. The basic functional safety standard IEC 61508 provides a framework where the required safety performance of the SIS is dependent on the required risk reduction calculated on a basis of the risk posed by the process conditions and the tolerable risk level which needs to be achieved.

 

1. What input is needed for the SIS design? 

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2. What are the basic requirements for the design?

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3. What are the basic safety integrity requirements for the design phase?

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4. What are the other essential requirements for the SIS design? 

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5. Why do operation and maintenance requirements and constraints need to be addressed in the design phase? 

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6.How can ABB FSA help? 

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