The ANSI/ISA-84.00.01-2004 (IEC 61511) standard (Ref. [1]) defines a safety instrumented system (SIS) as an "instrumented system used to implement one or more safety instrumented functions. A SIS is ...

Also called "ESD system," "emergency shutdown," "safety shutdown" and "emergency trip system." See safety. THIS DEFINITION IS FOR PERSONAL USE ONLY. All other reproduction requires permission.

It is immediately obvious that this broad categorization of the frequency of initiation events does not provide the precision necessary to evaluate the demand on a safety system. This, however, need ...

Safety Instrumented Systems: A Lifecycle Approach (EC50) focuses on the engineering requirements for the specification, design, analysis and justification of safety instrumented systems (SIS) for the ...

In order to justify the need for a safety instrumented system (SIS), it's important to understand why such systems are installed in the first place. Safety systems are used in the process industries ...

Standard relays and safety relays are two distinct types of devices, each designed for different purposes and serving ...

A sustainable and successful management system ensures that nuclear safety and security matters are not dealt with in isolation. It integrates safety, health, security, quality, economic and ...

Combined with all the computer-based entertainment, navigation, dashboard and engine control, electronic systems comprised more than 20% of the car's value by 2017. Automotive safety systems are ...

Understand and apply the principles of functional safety to the development and assessment of safety systems, based on the IEC 61508 standard. During this course, you will learn about the primary ...

The way patient safety is regulated and monitored is to be completely overhauled in England, the health secretary has announced. Wes Streeting said the current system was "overly complex", as he ...

Systems biology is the study of biological systems whose behaviour cannot be reduced to the linear sum of their parts’ functions. Systems biology does not necessarily involve large numbers of ...