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Blog Entry: How Does Culture Affect Safety?
I was reading an incident report on the Chemical Safety Board (CSB) website the other day, where it was the conclusion of the reviewing team that the incident (which sadly resulted in a loss of life) was the direct result of a poor safety culture across the organization. If you…
News Item: EXIDA RELEASES NEW VERSION OF PHAx™ PROCESS HAZARD ANALYSIS SOFTWARE
exida, a global supplier of functional and process safety products, services and certifications has released a new version of PHAx™ , a tool that guides users through the Hazard and Operability study (HAZOP) process. PHAx helps identify and document hazards, hazardous events and associated sequence of events. It also documents…
Fisher Controls International - VBL Volume Booster
IEC 61508 in the Safety Automation Equipment List
White Paper: Results of Statistical Analysis of Pressure Relief Valve Proof Test Data
The purpose of this document is to report on our successful efforts to validate statistically certain random equipment failure rate data used in a mechanical parts failure rate and failure mode database and, by extension, to validate the techniques used to derive the data. To accomplish this, a Failure Modes,…
White Paper: Mechanical Failure Rate Data for Low Demand Applications
The use of IEC 61508 [1] and IEC 61511 [2] has increased rapidly in the past several years. Along with the adoption of the standards has come an increase in the need for accurate reliability data for devices used in Safety Instrumented Systems (SIS), both electronic and mechanical. While the…
White Paper: Roadblocks to Approving SIS Equipment by Prior Use
Prior Use (Proven In Use in 61508) equipment is when a documented assessment has shown that there is appropriate evidence, based on the previous use of the component, that the component is suitable for use in a particular application of a safety instrumented system at a given integrity level. There…
White Paper: Reliability in Control Systems Software
Considering the components used in the current control systems, hardware failure causes have been widely studied. Software failure causes, on the other hand, are rarely studied or understood. In the field studies that have been done, some of the rules for software failure causes have been theorized but even those…
Emerson Fisher Controls - SS-263 Volume Booster
IEC 61508 in the Safety Automation Equipment List
Recorded Webinars: DeltaV Alarm Management Solutions: Following the Alarm Management Lifecycle
This webinar presents how to create an alarm management continuous improvement program for Emerson DeltaV System Owners that follows the ISA-18.2 alarm management lifecycle. Tools will be demonstrated to analyze alarm system performance and pinpoint poorly performing alarms (DeltaV Analyze), rationalize the poor performers (SILAlarm), and automatically update the DeltaV configuration with the new alarm settings (priority, limit, hysteresis, suppression time, etc.). It also illustrates how operator alarm response procedures (containing the cause, consequence, corrective action, and time to respond) can be created automatically from the rationalization results and made available to the operator online using DeltaV Alarm Help.
Emerson Automation Solutions - DeltaV SIS with Electronic Marshalling
IEC 61508 in the Safety Automation Equipment List
Blog Entry: The exida Certificate Explained
A manufacturer whose product passes the exida IEC 61508 Assessment Scheme will receive a certificate based on IEC 61508 and perhaps other functional safety standards. There is a significant amount of information on a certificate that may not be always trivial for a novice. This document explains how one should…
Recorded Webinars: Comparing Failure Rate Data
This webinar will show the results of a set of recent failure rate data comparisons between exida FMEDA results and field failure data from the process industries. A number of different categories of comparisons were done, including transmitters, valves, actuators, and solenoid valves. Results from DOW and OREDA are directly compared against FMEDA results.
It is essential that any predictive failure technique like FMEDA be calibrated via actual field failure results. The technique used by exida to accomplish this calibration will be described along with examples of lessons learned after ten years of comparisons.
This webinar will help any engineer doing SIF verification calculations to understand how to pick failure rate data.
Blog Entry: How Good Is Your Functional Safety Management?
Those operating in the process world should be familiar with the concept of Functional Safety Management (FSM) and the need to have well defined processes and procedures in place. Otherwise, how else will they be able to ensure that their Safety Instrumented System 〈SIS〉 and plant are operating safely? Functional…
White Paper: Functional Safety and EMI
Electromagnetic Interference (EMI) is just one of the environmental stresses that can stop a system from performing its safety function. It is important for a functional safety system to be immune from the EMI levels that are likely to be present. Unlike other environmental stresses, like temperature and vibration, EMI…
Blog Entry: Functional Safety And Electromagnetic Interference: What’s the Connection?
Functional Safety and Electromagnetic Interference (EMI) may not often be used in the same sentence. But EMI is just one of the environmental stresses that can stop a system from performing its safety function. It is important for a functional safety system to be immune from the EMI levels that…
Recorded Webinars: An Introduction to Universal Modeling Language (UML)
Universal Modeling Language (UML) is a popular modeling notation used to specify functional requirements, architectural design, detailed design and can even be used to generate executable software. IEC 61508 semi-formal methods, computer-aided specification and design tools, and model-based requirements can be addressed by UML notation and the tools that support it. This brief (1½ hour) introduction covers the basic notation and diagrams used in modeling.
News Item: NOW SHIPPING: Functional Safety - An IEC 61508 SIL 3 Compliant Development Process, 3rd Edition
All new 3rd Edition is shipping ! exida.com LLC is pleased to present this third edition of Functional Safety - An IEC 61508 SIL 3 Compatible Development Process by Michael D. Medoff and Rainer I. Faller. The intent of this book is to provide the reader with an example development…
Recorded Webinars: How are You Handling the O & M Requirements of IEC 61511?
It is hard to believe that the IEC 61511 standard has been in existence since 2003 and most companies operating in the process, chemical, and refining industries, (or any other hazardous process manufacturer) have adopted its practices. It is also significant that any plants that were built at that time with a Safety Instrumented System (SIS) will now be halfway through their useful life. This begs the question of how well have companies been recording the performance of their SIS systems, in terms of failures, spurious trips, and proof testing results? This webinar highlights how testing and documenting the performance of the SIS is an essential part of ensuring that the SIS is able to fulfill its designed functional safety requirements. This is especially true as the SIS approaches its end of useful life.
Who Should Attend:
O&M Managers
Process Safety Managers
Mechanical Integrity Program Managers
I&C Maintenance Supervisors
Plant Managers
Rosemount Tank Radar (an Emerson company) - 2120 Vibrating Fork Liquid Level Switch
IEC 61508 in the Safety Automation Equipment List
Training Course: IEC 61508 - Functional Safety for Mechanical Design & Development
This Course is Also Offered Online The IEC 61508 family is a performance-based set of standards for functional safety that are commonly applied to the design and development of automatic protection systems in a variety of applications (process industry, industrial / machinery equipment, medical devices, railway, mining, etc.). These standards…
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