Health, Safety and Environment

In the world of software testing, black-box testing stands out as one of the most widely used and essential methods. It is a test design approach where the system under

Safe failure fraction is an arbitrary metric used within IEC 61508 (and other guidance) in order to set architectural rules (or constraints). This is a metric based on diagnostic coverage.

Understanding Risk Receptors: Safeguarding People, Environment, and Assets In process safety, the concept of a risk receptor plays a pivotal role in identifying and mitigating potential hazards. A risk receptor

Modes of Operation of a SIF The demand mode of a Safety Instrumented Function (SIF) refers to the operational mode in which the SIF is activated only when a specific

Step 1: Application Program Safety Requirements Objective: To specify application program safety requirements for each SIS necessary to implement the required SIF. To specify the requirements for the application program

The Safety Instrumented System Safety Lifecycle defines the necessary activities involved in the implementation of SIF occurring during a period of time that starts at the concept phase of a

The development of the SIS SRS is one of the most important activities of the whole SIS safety life cycle. It is through this specification that the user is able

How to Use a Risk Matrix to Determine SIL? Safety Integrity Levels (SIL) are critical for ensuring that industrial processes meet acceptable safety standards. A risk matrix is one of