IEC 61508 in the Safety Automation Equipment List
SELLERSVILLE, PA (August 31, 2010)—exida, a global supplier of functional safety and security products, services, and certifications, has released SILAlarm™, an alarm rationalization tool designed to take the guesswork out of alarm system design. SILAlarm supports compliance with the ISA-18.2 alarm management standard and good engineering practices. It guides users…
IEC 61508 – An Introduction to Functional Safety September 13-17, 2010 This new course is a web optimized version of the proven IEC 61508 training course that provides: A review of major changes in the NEW 2010 version of IEC 61508. An understanding of requirements to develop products that meet…
EXIDA CERTIFIES EMERSON DELTAV SIS™ FOR SAFETY per IEC 61508 SELLERSVILLE, PA (August 23, 2010)—exida, a global supplier of functional safety products, services, and certifications, has certified the product reliability and the design and engineering processes for the Emerson DeltaV SIS process safety system as Safety Integrity Level (SIL) 3…
The starting point of a new industrial plant concerning the levels of reliability required to keep the process under a defined tolerable risk is a challenge most contractors company face. During the embryonic phases, in the bidding process and for budget purposes, a pre-defined Safety Instrumented System 〈SIS〉 design must…
SELLERSVILLE, PA —exida, a global supplier of functional safety products, services, and certifications, has certified the product reliability and design for a well known international company’s burner control as Safety Integrity Level (SIL) 3 capable per IEC 61508 . “The company has demonstrated that its product design and development processes…
IEC 61508 in the Safety Automation Equipment List
IEC 61508 in the Safety Automation Equipment List
I hope everybody is enjoying their summer, getting some vacation time in and relaxing with friends and family. At exida the nice weather has surely given us extra energy and the exSILentia® team has been rather busy. I wanted to share a couple of exciting things that are coming your…
exida has announced open enrollment for an exSILentia® Safety Lifecycle Engineering Tool Training training class to be held in Frankfurt, Germany between September 21, 2010 - September 23, 2010. The exSILentia® Safety Lifecycle Engineering Tool is a powerful aid for any engineer involved in safety lifecycle tasks such as PHA,…
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
IEC 61508 in the Safety Automation Equipment List
IEC 61508, ISO 13849 in the Safety Automation Equipment List
If you are involved in industrial automation you’ve probably heard of the recent discovery of a virus that specifically targets Siemens WinCC and PCS 7 applications using a default password. The virus exploits a previously unknown Windows vulnerability that allows the virus to install and spread via USB memory sticks.…
The functional safety standards, IEC 61508, IEC 61511, and ANSI/ISA 84.01 each specify the Safety Integrity Level performance parameter for Safety Instrumented Functions. For a Safety Instrumented Function to meet a specific Safety Integrity Level the sum of the average Probability of Failure on Demand (PFDavg) of all components, part…
In order to assign a SIL to equipment in low demand applications, we must be able to compute PFDavg. To compute PFDavg, we must first have a model for λD(t), the failure rate of the equipment in the dangerous failure mode. A dangerous failure occurs when equipment designed for prevention…
In today’s world many potentially dangerous pieces of equipment are controlled by embedded software. This equipment includes cars, trains, airplanes, oil refineries, chemical processing plants, nuclear power plants and medical devices. As embedded software becomes more pervasive so too do the risks associated with it. As a result, the issue…
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