ICS cybersecurity standards such as ISA 62443 (formerly ISA 99 ) and NERC CIP require operators to have policies and procedures in place to monitor and maintain their critical ICS cyber assets. For anything other than very small systems, the obvious choice is to implement systems to automate these procedures.…
IEC 61508 in the Safety Automation Equipment List
IEC 61508 in the Safety Automation Equipment List
IEC 61508 in the Safety Automation Equipment List
IEC 61508 in the Safety Automation Equipment List
Este libro nace como respuesta al creciente interés en temas relacionados con la Seguridad Funcional, Ciberseguridad y Administración de Alarmas. Los autores han atestiguado esta demanda de información, por parte de los profesionales de la Seguridad Funcional a través de los numerosos cursos y talleres de análisis de riesgo que…
The world of automation has changed significantly over the past 30 years. I have fond memories of starting my career by calibrating, adjusting, and tuning pneumatic control loops while working my way through the electronic age right up to the present digital and cyber generation of automation. If you are…
exida will be presenting and exhibiting at the Industrial Automation Tech Expo 2013 , which will be held July 24-26, 2013 in Taguig City, Philippines. The presentations will be as follows: Understanding IEC 61511 – The Process Safety Standard IEC 61511 has been developed as a Process Sector implementation of…
exida, the global leader in functional safety certification for the process industries, has issued a functional safety certification per IEC 61508 for the Detcon TP 700 Hydrogen Sulfide Gas Detector. “The TP 700 design process met SIL 2 requirements showing a good level of design integrity,” says exida Certification Evaluating…
Please see the first entry of the Requirements Management blog series here Please see the second entry of the Requirements Management blog series here So, you have a set of detailed safety requirements. You have derived them down to a level of detail you feel spells out what the product…
exida’s Jonathan de los Santos and Alejandro Esparza will be presenting at the 5th CCPS Latin American Conference on Process Safety , which will be held August 12-14, 2013 in Cartagena de Indias, Colombia. The session is titled “Using Alarms As An Independent Layer of Protection (IPL) in the Safety…
Please see the first entry of the Requirements Management blog series here . The concepts of allocation and derivation are sometimes misunderstood when it comes to requirements management. This can lead to confusion and even to safety problems. The process of derivation involves the writing of a new requirement, based…
IEC 61508 in the Safety Automation Equipment List
How many development teams have heard those few, innocent words uttered from Marketing/Management toward the end of the development phase of a project, only to have their schedule blown out of the water? The phase of development into which the change is introduced determines the size of the concentric rings…
There is usually a natural order to things. But there are times when the natural order gets disrupted, and this could be for any number of reasons: we get busy, overloaded with tasks or information, tired, complacent, etc. But when you think about it, most of the excuses we make…
While attending the Offshore Technology Conference , I heard a speaker make the point that studies substantiate that employees who are trained in safety are involved in fewer accidents. Those of us who promote and provide training in safety, this comes as no surprise. But it was his next point…
Formalize your process. Companies often have a pretty good hardware development process in place, dealing with electrical and mechanical drawings, bills of material, and the factory floor interface. Most of these processes are in place so the manufacturing department knows what to make and how to put it together. The…
This was a question posed to me by an engineering contractor the other day. Although I found the question quite strange, it made me think “okay, why do they need us?” I suppose there are a few answers: Regarding the end user perspective, we exist to provide an independent third-party…
IEC 61508 and IEC 61511 are known as “performance” based standards. Specific design rules, as found in “prescriptive” standards, are not included, allowing for innovation and new technology, as well as creativity and advancement. However, it does imply that a certain level of competency is required. Others would strongly argue…
We are going to continue discussing the results from exida’s recently published industry benchmark survey on the practices for the use of alarms as safeguards and IPLs. Over 200 safety practitioners from around the world provided responses. This entry will discuss the relationship between alarms identified as safeguards and those…
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