exida's Cybersecurity Team Lead Patrick O’Brien presented a webinar for Efficient Plant web magazine on cybersecurity impacts on plant safety. Digital Technology And Plant Safety No matter the size of the plant or what product it produces, safety is always the top priority. While safety basics will never change, our…
IEC 62443 in the Security Automation Equipment List
IEC 61508, ISO 26262 in the Safety Automation Equipment List
I learned about the Failure Modes and Effects Analysis (FMEA) process for designs some decades ago. I was Supervisor of an Embedded System development group. There seemed to be a lot of evidence that an FMEA on a design was a really good way to identify issues (problems) early in…
A variation of the DFMEA method has evolved from the application of Functional Safety requirements to the DFMEA process. exida calls this method DDMA – Design Deviation and Mitigation Analysis. DDMA maintains the essential objective of DFMEA to identify potential design issues early in the development and make design changes…
Good component failure rate data is a cornerstone of good quality reliability metric analysis. As mentioned in a previous exida whitepaper , one of the shortcomings of reliability databases has been the inability to handle variations in the operating environment. A sensor monitoring a flame and the processor interpreting the…
IEC 62443, ISASecure in the Security Automation Equipment List
ISO 26262 in the Safety Automation Equipment List
IEC 61508 in the Safety Automation Equipment List
This paper describes the impact that different environmental factors can have on failure rates. To incorporate these impacts, exida provides a tool that can generate a custom Environmental Profile to be used in a Failure Modes, Effects, and Diagnostics Analysis (FMEDA). exida’s Component Reliability Database is embedded in the OEMx…
ISASecure in the Security Automation Equipment List
What is Memory Mapping? Memory mapping is a technique used in computer systems to manage memory resources safely, it involves creating a virtual address space that corresponds directly to the physical memory or to a portion of it, this allows programs to access memory in a way that is safe…
ISASecure in the Security Automation Equipment List
ISASecure in the Security Automation Equipment List
The goal of performing a failure modes, effects, and diagnostics analysis (FMEDA) is to obtain important reliability and Safety metrics including: the failure rates per failure mode, automatic diagnostic effectiveness, useful life, and latent fault test (proof test) effectiveness of a device. This information is used for many reasons including…
in the Safety Automation Equipment List
IEC 62443 in the Security Automation Equipment List
IEC 61508 in the Safety Automation Equipment List
ISO 26262 in the Safety Automation Equipment List
ISASecure in the Security Automation Equipment List