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Cowan Dynamics Inc. - Series ML / Series MS
IEC 61508 in the Safety Automation Equipment List
Cowan Dynamics Inc. - Series A, AT, and AS Pneumatic Actuators
IEC 61508 in the Safety Automation Equipment List
Blog Entry: WHY are Failures Occurring at a Different Rate from Our Other Site?
Site audits have shown many differences in how things are done from site to site. This impacts many variables in a safety instrumented system! A key metric for process industry designs is called average Probability of Failure on Demand (PFDavg). After several studies of many field failure and proof test…
Recorded Webinars: Failure Rate Classification-Safe or Dangerous: How to Use Fail Low and Fail High Failures
Analog transmitter failure modes are typically dangerous undetected, low, high, and detected. Normally there is no safe (either detected or undetected) failure mode. The low, high, and detected failure modes are to be classified by the end-user based on the actual application that the transmitter is used. This webinar will review the expected failure modes, and then using the exSILentia® SILver™ tool show how failure modes are classified into safe and dangerous, detected and undetected based on the actual application.
Blog Entry: Best Practices in Achieving Functional Safety in Turbine Applications - Part 3
The adoption of the functional safety standards continues to gain momentum in turbine applications. Both industrial and power turbine sites are now requiring compliance to IEC 61511. This blog will review both technical requirements and market trends related to functional safety system design. Market trends will cover which standards are…
News Item: First Chinese CFSE/CFSP Course and Examination in China, Qingdao
exida Asia Pacific is proud to announce that they conducted the first IEC 61511: Functional Safety Analysis, Design, and Operation (FSE 100) course in Qingdao, China on 9-12 November 2015. Dr. Felix Wang, Senior Safety Consultant, conducted the Chinese course to 15 participants from Qingdao Moses, PetroChina, Sinopec, China Chemical…
News Item: exida Presenting at RAMS 2016
David Johnson, exida senior safety engineer will be presenting at RAMS 2016 , which will take place January 25-28, 2016 in Tucson, AZ. The paper is titled “Software Functional Safety: Possibilities & Limitations of IEC61508-7 Annex D.” This paper explains the possibilities and limitations of using IEC61508-7 Annex D in…
Emerson Topworx - Topworx D-ESD 3rd Party Solenoid
IEC 61508 in the Safety Automation Equipment List
Blog Entry: SILSafe Data Website
exida has launched the web site www.silsafedata.com . SILSafe Data is a web site listing a number of product categories used in process control and the expected range of failure rates for process industry applications. The use of realistic and application appropriate failure rate data has a significant impact on…
News Item: exida Academy: 2016 US Training Schedule Now Available
IEC 61511: Functional Safety Analysis, Design, and Operation *This course was previously titled Functional Safety Engineering I & II* This course provides an overview of process industry safety engineering from the point of view of the Risk Analyst, Process Safety Coordinator, and Control Systems Design Engineer. It delivers a complete…
Recorded Webinars: Site Safety Index™ Impact on Failure Rates and PFDavg
Several field failure studies, have shown that failure rates for the same product vary from site to site. The ratio ranged from 1.2X to 2X based on data to date. Therefore we conclude that random failures can be divided in to two categories – product specific and site specific. The differences seem to be related to site variables that some have called “Safety Culture.” exida defines this variable as the “Site Safety Index (SSI).” This webinar will provide an overview of the impact of SSI on random failure rates, realistic PFDavg calculations, and the impact of a good safety culture on life cycle cost.
Blog Entry: Are We Done Yet?
We all know when we’re finished with the product development cycle; it’s printed in a little box on the project schedule Gantt chart. The end of July… right there on the schedule, and it’s been there since the project inception. So what happens when you reach 31-July and your product…
Foxboro Eckardt GmbH - 244LD LevelStar
IEC 61508 in the Safety Automation Equipment List
Recorded Webinars: FMEDA Predictions and OREDA Estimations for Mechanical Failure Rates: Explaining the Differences
This presentation describes the distinction between failure rate prediction and estimation methods in general.
It then gives details about the procedures used to obtain dangerous failure rates for certain mechanical equipment using FMEDA predictions and OREDA estimations.
The results of the two methods when applied to specific equipment combinations are compared and, when differences in the results exist between the two methods, plausible explanations for the differences are provided.
The relative merits of each method are discussed.
News Item: exida Presented and Exhibited at ADIPEC 2015
Greg Chantler, exida senior safety consultant presented and exhibited at ADIPEC 2015 , which was held November 7-10, 2015 in Abu Dhabi, UAE. The presentation was titled “Getting Realistic Failure Rate Data for SIS Verification.” Presentation Title : Getting Realistic Failure Rate Data for SIS Verification Realistic Failure Data is…
Rotex Automation - Type 32R
IEC 61508 in the Safety Automation Equipment List
Blog Entry: Is your Car Smarter than a Fifth Grader?
While channel surfing the TV this weekend, I happened to stop on an old show called “My Mother The Car.” (Ok, I’m dating myself, but it was filmed in color, as opposed to some other favorite old shows still in black-and-white). The fictional car, a 1928 Porter built for the…
News Item: exida Presenting at Wilmington ISA Industrial Automation Show and Technical Conference
Iwan van Beurden, exida Chief Technology Officer will be presenting at the Wilmington ISA Industrial Automation Show and Technical Conference to be held Wednesday, November 18, 2015 in Claymont, DE, USA. The presentation is titled “Comparing Failure Rates for Safety Devices: FMEDA Prediction vs OREDA Estimation.” Failure rates predicted by…
Azbil Corporation - Smart ESD Device 700 Series
IEC 61508 in the Safety Automation Equipment List
News Item: exida Presenting at Rockwell Automation’s Process Solutions User Group (PSUG)
Todd Stauffer, exida’s Director of Alarm Management will be presenting at Rockwell Automation’s Process Solutions User Group (PSUG) to be held November 16-17, 2015 in Chicago, IL. The presentation is titled “ Alarm Management: Monitoring, Assessment & Bad Actor Resolution. ” In this session we will review the Alarm Management…