exida explains Blog

Entries tagged with: Iec 61508-2

  • by John Yozallinas, CFSE
  • Thursday, April 28, 2011
  • Certification

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…

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Why should I get my mechanical device certified per IEC 61508?

I was recently approached with a question regarding why it would be necessary to certify mechanical devices, such as valves, per IEC 61508 when it is not clearly stated in the standard that the standard is applicable to such devices.  After looking through IEC 61511 and Read More...