Undertake further hazard and risk analysis when developing the E/E/PE system safety requirements. This should identify any of the states of an E/E/PE safety-related system that could lead to a hazardous situation. 7.4.2.1 of IEC 61508-1 highlights the need to undertake further hazard and risk analyses when decisions are taken which may change the basis on which earlier decisions were made.
This text contains extracts from the IEC Functional Safety Zone. All such extracts are copyright of International Electrotechnical Commission © 2005, IEC, Geneva, Switzerland. All rights reserved. IEC has no responsibility for the placement and context in which the extracts are reproduced. This notice takes precedence over any general copyright statement.
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