How to design safe machine control systems : a guideline toEN ISO 13849-1

The aim of this report is to give guidance when applying EN ISO 13849-1:2008 in projects, both for companies developing subsystems and for companies that are developing complete machines. The report will give support in different areas in EN ISO 13849-1:2008 that are difficult to understand or parts that are described briefly. This report shall be considered as an complement to the standard EN ISO 13849-1:2008 that gives examples on how different requirements can be interpreted.