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Blog Entry: What is So Important About Derating?
Some designs push their operating specifications right up to the limit of the components in the system or device. (let’s not talk about the designs that try to spec a limit that is beyond the capability of one or more components… phooey on them!) And if you make a product…
News Item: EXIDA RELEASES PHAXPROCESS HAZARD ANALYSIS SOFTWARE
exida, a global supplier of functional safety products, services and certifications has released PHAX, a software module within the exSILentia® suite of safety lifecycle tools that guides users through the Hazard and Operability study (HAZOP) process. The module helps identify and document hazards, hazardous events and associated sequence of events.…
News Item: EXIDIA CERTIFIES BIFOLD BOOSTER VALVES FOR SAFETY per IEC 61508
exida, the global leader in functional safety certification for the process industries, has certified the design and engineering processes for the Bifold Fluidpower Ltd. VBP, PPV, and HIPEX Booster Valves per IEC 61508. “The IEC 61508 standard requires manufacturers meet requirements for both product safety and the process used to…
News Item: FREE WEBINAR: Achieving Software Security Assurance
Date: Thursday, May 12, 2011 Times: Session 1: 10:00am-11:00am EDT Session 2: 8:00pm-9:00pm EDT (9:00am-10:00am JST (GMT/UTC + 09:00)) Instructor: John Cusimano In an October 2010 article, Mark Weatherford, vice president and chief security officer at NERC, was quoted as saying, “Addressing Stuxnet goes beyond using quality security controls. The…
News Item: WEBINAR RECORDING ADDED: Functional Safety: An IEC 61508 SIL 3 Compliant Development Process
This webinar provides developers of safety application products with an overview of how to implement a development process that meets the requirements of Safety Integrity Level (SIL) 3 of the IEC 61508 standard. It will illuminate and interpret the requirements of the standard, including the 2010 version, so that organizations…
Blog Entry: Lifecycle Analysis: It’s Worth the Effort
Performing a risk analysis as part of an IEC61508 / 61511 / ISA 84.01 safety lifecycle process can be quite challenging. How can you be sure you get what you need within budget and how can your team provide the best value for money? When these services are brought in…
Blog Entry: Functional Safety and Taxes: Are you an expert?
Today, April 15th, is tax-day in the US. Ok, the Internal Revenue Service (IRS) has given us a few extra days this year (the tax filing deadline is not until April 18th). There are a lot of similarities between how you do your taxes and how you handle your functional…
Blog Entry: Stepping stones to SIL 3
Imagine. Marketing has just approached the engineering department and says your new safety product must have SIL 3 Capable certification instead of SIL 2 to be successful. You are in the engineering group developing this new product. Now what? Let’s assume that the “change request” makes sense and has been…
News Item: EXIDA CERTIFIES YOKOGAWA AXR SERIES MAGNETIC FLOWMETER FOR SAFETY per IEC 61508
exida, an accredited global functional safety certification company, has certified the product reliability and the design and engineering processes for the Yokogawa AXR magnetic flowmeter as Safety Integrity Level (SIL) 3 capable per IEC 61508. “The solid self-diagnostics of the flowmeter allowed it to pass the random hardware requirements of…
Blog Entry: Driving with Blinders
Imagine: An automobile that has only one window in the front. No side windows. The driver can see to steer the auto forward and turn, but cannot see completely from side to side. What happens when the driver reaches an intersection with no traffic lights? The driver cannot see out…
Blog Entry: Certified to SIL 4 - Cycle Test Failure Data is Dangerous
I got a copy of the IEC 61508 certificate for a solenoid valve today from an engineer who thought something was wrong. Although the certificate was from a well known certification company, the certificate gave a “Dangerous Failure Rate ” of 1.7 FITS (1.7 * 10-9 failures per hour). This…
News Item: EXIDA ANNOUNCES ADDITION OF HAROLD W. THOMAS (HAL) TO EXIDA TEAM
Harold Thomas, P.E., C.F.S.E, has joined exida, the worldwide leader in the certification of automation equipment for use in safety instrumented systems. Thomas joins exida from Air Products and Chemicals, where he spent more than 36 years improving the safety work processes, introducing knowledge-based hazard reviews, and standardizing the application…
Blog Entry: What’s the Risk?
As safety professionals, it is our duty to attempt to educate and explain to the public. Perhaps the biggest challenge is to explain the concept of risk. Many times after an accident we have heard a politician say something like “We will do whatever it takes to make sure this…
News Item: FREE WEBINAR: 61508 Certification for Mechanical Devices in Safety Applications
Date: Thursday, April 28, 2011 Times: Session 1: 10:00am-11:00am EDT Session 2: 8:00pm-9:00pm EDT (9:00am-10:00am JST (GMT/UTC + 09:00)) This webinar describes the certification process for simple mechanical products like valves, actuators, or solenoid valves. Topics that will be discussed include: • IEC 61508 requirements for these certification projects •…
Rosemount Tank Radar (an Emerson company) - 2140 : SIS Level Detector
IEC 61508 in the Safety Automation Equipment List
Rosemount Tank Radar (an Emerson company) - 2130 Vibrating Fork Liquid Level Switch
IEC 61508 in the Safety Automation Equipment List
Blog Entry: A look into the control room of the Fukushima Dai-Ichi Unit 2 reactor!
I came across an interesting blog post the other day… Talk about operating blind. A great picture shows the status of the control room in the Fukushima Dai-Ichi Unit 2 reactor…Nothing is working (besides the lights)! All of the computer monitors are blank. The clock is dead. None of the…
News Item: IEC 61508 – An Introduction to Functional Safety Web Training Course Announced
Web Training: Monday, May 23 – Friday, May 27, 2011 (5 days, 3 hours per day), 1:00pm – 4:00pm EDT This new course is a web optimized version of the proven IEC 61508 training course that provides: Price: US $995 per student, including a course binder with note sets and…
News Item: Managing Alarms Using Rationalization Article in Control Engineering
exida Director of Alarm Management Todd Stauffer co-authored an article entitled When It’s Easy To Implement Alarms, Too Many Often Make The List. Alarm Rationalization Helps You Control And Optimize The Selection. The article will be the cover story for the March issue of Control Engineering. We’ve seen it before:…
News Item: WEBINAR RECORDING ADDED: IEC 61508 (2010): What’s New and How Does it Affect Me
The IEC released their second edition of the umbrella standard for Functional Safety, IEC 61508 in 2010, which is applicable to programmable electronic safety related systems. This webinar will discuss: • What has changed in the standard compared to first edition (2000) • How it will impact the market for…
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