Cover DIN EN 61226 VDE 0491-1:2010-08
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DIN EN 61226 VDE 0491-1:2010-08

* German Language Version *

Nuclear power plants – Instrumentation and control important to safety

Classification of instrumentation and control functions

(IEC 61226:2009); German version EN 61226:2010
Class/Status: Standard, valid
Released: 2010-08
VDE Art. No.: 0491030

Contents

The standard describes a method for classification of information and control functions and the systems and equipment related to those functions. The classification is according to the significancy of the functions to the safe operation of the power plant. The functions are assigned to Categories A, B, C or "not classified" depending on their contribution to the prevention and mitigation of postulated initiating events (PIE).