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News Item: EXIDA CERTIFIES EMERSON DELTAV SIS™ FOR SAFETY per IEC 61508
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…
News Item: A brief discussion over safety costs in new enterprises
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…
News Item: EXIDA CERTIFIES BURNER CONTROL FOR SAFETY PER IEC 61508
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…
Detector Electronics, LLC - X2200/5200/9800
IEC 61508 in the Safety Automation Equipment List
Micropack - FDS301
IEC 61508 in the Safety Automation Equipment List
News Item: Safety Lifecycle Tool Excitement at exida
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…
News Item: exSILentia Training Course Announced
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,…
Flowserve - Logix 3200MD
IEC 61508 in the Safety Automation Equipment List
Flowserve - Spring Cylinder Linear Actuator
IEC 61508 in the Safety Automation Equipment List
Flowserve - Mark One 3-Way
IEC 61508 in the Safety Automation Equipment List
Flowserve - Survivor
IEC 61508 in the Safety Automation Equipment List
Flowserve - Mark Six
IEC 61508 in the Safety Automation Equipment List
Flowserve - Mark One
IEC 61508, ISO 13849 in the Safety Automation Equipment List
News Item: exida responds to malware targeting Siemens WinCC/PCS 7 systems
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.…
White Paper: What Does Proven-In-Use Imply?
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…
White Paper: Statistical Signature Analysis
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…
White Paper: Real Time Operating Systems for IEC 61508
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…
White Paper: Saved by the Bell: Using Alarm Management to make Your Plant Safer
Recent industrial accidents at Texas City, Buncefield (UK) and Institute, WV have highlighted the connection between poor alarm management and process safety incidents. At Texas City key level alarms failed to notify the operator of the unsafe and abnormal conditions that existed within the tower and blowdown drum. The resulting…
White Paper: Get a Life(cycle)! Connecting Alarm Management and Safety Instrumented Systems
Alarms and operator response are one of the first layers of defense in preventing a plant upset from escalating into an abnormal situation. The new ISA 18.2 standard on alarm management recommends following a lifecycle approach similar to the existing ISA84/IEC 61511 standard on functional safety. This paper will highlight…
White Paper: Functional Safety in the Life Science Industries
There are many benefits to a company when they have access to good field failure data. Most of the benefits are categorized as saving money. At the same time, most of the expenditure to get good failure data is already being spent. Given an incremental cost of improving data collection…
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