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BS EN 60987-2009 pdf download.Nuclear power plants — Instrumentation and control important to safety — Hardware design requirements for computer-based systems. 5.1.3 Hardware requirements shall be presented according to a technique or method whose format shall not...

BS EN 62340-2010 pdf download.Nuclear power plants Instrumentation and control systems important to safety Requirements for coping with common cause failure (CCF). I&C systems with this design can fail if two or more redundant channels fall concurrently...