IS/IEC 61508 : Part 0 : 2005 Functional Safety of Electrical/Electronic/Programmable Electronic Safety-Related Systems - Part 0 : Functional Safety and IEC 61508

NATIONAL FOREWORD

This Indian Standard (Part 0) which is identical with IECfTR 61508-0 : 2005 Funct ional safety of electricaVelectronic/programmable electronic safety-related systems - Part 0: Functional safety and IEC 61508 issued by the International Electrotechnical Commission (IEC) was adopted by the Bureau of Indian Standards on the recommendation of the Industrial Process Measurement and Control Sectional Committee and approval of the Electrotechnical Division Council.

The text of IEC Standard has been approved as suitable for publication as an Indian Standard without deviations. Certain conventions are, however, not identical to those used in Indian Standards. Attention is particularly drawn to the following :

a) Wherever the words International Standard appear referring to this standard, they should be read as Indian Standard.

b) Comma (,) has been used as a decimal marker , while in Indian Standards, the current practice is to use a point (.) as the decimal marker.