Functional Safety and the IEC

IEC 61508

Functional Safety


IEC 61508:2010 CMV

IEC 61508:2010 CMV is available from
the IEC Webstore

IEC 61508:2010 Commented version, Functional safety of electrical/electronic/programmable electronic safety-related systems


The CD contains parts 1 to 7 of IEC 61508 edition 2.0 published in April 2010, along with the IEC 61508 Commented version of the entire series. All files are in PDF format.


The IEC 61508:2010 CMV single file is a compilation of the seven-part official IEC standard in English, enriched with the following information:


  • track changes displayed in red, highlight all changes of the technical content made to edition 1.0
  • hundreds of comments and explanations by a leading expert in Functional Safety, are indicated in the text by a yellow-background number. Mouse over a number to display a pop-up note containing the related comment
  • figures that may accompany these comments, are indicated with a green paperclip in the text


Make the best use of the IEC 61508:2010 CMV advanced functionalities:


  • perform a text search
  • use bookmarks and links to navigate throughout all parts of IEC 61508
  • review the document, reply to the expert's comments or add your own comments