Nuclear power plants – Instrumentation and control important for safety
Software aspects for computer-based systems performing category B or C functions
(IEC 62138:2004); German version EN 62138:2009 Class/Status:
VDE Art. No.: 0491027
This standard provides requirements for the software of computer-based I%C systems supporting functions of safety categories B and C as defined by DIN IEC 61226 (VDE 0491-1). It is not a general-purpose software engineering guide but is aimed to provide requirements that the software of I&C systems of safety classes 2 and 3 must meet to achieve the systems safety objectives. For requirements which are not specific to software the standard refers to DIN IEC 61513 (VDE 0491-2).
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