HOME  |  NEWS  |  BLOGS  |  MESSAGES  |  FEATURES  |  VIDEOS  |  WEBINARS  |  INDUSTRIES  |  FOCUS ON FUNDAMENTALS
  |  REGISTER  |  LOGIN  |  HELP
William K.
User Rank
Platinum
IEC 61508
William K.   11/7/2012 8:54:52 PM
NO RATINGS
What the write-up does not include is just what sort of products the standard applies to. For our products it would seem that writing the control code so that any deviation from the correct sequence of actions stops everything may already be in compliance. That type of programming did not make any distinction between deviations that were unsafe and those that had no safety impact at all. Any deviation was a show-stopper.

But then I have also seen other safety rules, mostly hardware,  that seem to be aimed at drunks bent on self-destruction. Perhaps those standards should be revisited now.

naperlou
User Rank
Blogger
Software safety key
naperlou   11/6/2012 10:25:48 AM
NO RATINGS
Rich, I sympathize  with you as far as the kids go.  It is tough. 

As far as safety, it is imperative in many of the systems we interact with in these times.  If safety is not built in, people will not trust them.  Fortunately we have standards like IEC 61508.  In aerospace, you have similar standard, like DO-254.  The safety record of those systems is very good. 



Partner Zone
Latest Analysis
Halloween isn’t just a time for creative costumes. Thanks to the element14 online design community, the holiday this year also brings us a number of creative electronic device design ideas aimed at making your Halloween party a unique experience.
The Arduino is great for connecting with hardware but has a limited user interface. Apple’s iOS devices have a great user interface but are limited when connecting with hardware.
After a year or so of missteps, false starts, retractions, and postponements, inkjet office printer giant Hewlett-Packard has finally revealed just what it plans to do in 3D printing.
On April 15, 2010, President Barack Obama gave a major speech at the Kennedy Space Center in Florida, announcing that the US would send astronauts to Mars by the mid-2030s. But in order to do so, NASA would first need to ramp up its capabilities through missions directed toward "a series of increasingly demanding targets," i.e. asteroids.
Selfies have already ruined your nights out and your social media feeds. Now they're after your breakfast.
More:Blogs|News
Design News Webinar Series
10/7/2014 8:00 a.m. California / 11:00 a.m. New York
9/25/2014 11:00 a.m. California / 2:00 p.m. New York
9/10/2014 11:00 a.m. California / 2:00 p.m. New York
7/23/2014 11:00 a.m. California / 2:00 p.m. New York
Quick Poll
The Continuing Education Center offers engineers an entirely new way to get the education they need to formulate next-generation solutions.
Nov 3 - 7, Engineering Principles behind Advanced User Interface Technologies
SEMESTERS: 1  |  2  |  3  |  4  |  5  |  6


Focus on Fundamentals consists of 45-minute on-line classes that cover a host of technologies. You learn without leaving the comfort of your desk. All classes are taught by subject-matter experts and all are archived. So if you can't attend live, attend at your convenience.
Last Archived Class
Sponsored by Littelfuse
Learn More   |   Login   |   Archived Classes
Twitter Feed
Design News Twitter Feed
Like Us on Facebook

Sponsored Content

Technology Marketplace

Copyright © 2014 UBM Canon, A UBM company, All rights reserved. Privacy Policy | Terms of Service