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E DIN IEC/IEEE 62671 VDE 0491-3-12:2026-07

Nuclear power plants

Instrumentation and control important to safety – Selection and use of industrial digital devices of limited functionality

(IEC 45A/1639/CDV:2026); Text in German and English
Class/Status: Draft, valid
Released: 2026 -07   Published: 2026-06 -05
VDE Art. No.: 1400583
End of objection deadline: 2026-08-05

Note: You can pre-order this document (delivery subject to availability). Valid from 2026-07-01.

This document addresses devices that contain embedded software or digital circuits designed using software-based tools while these specific devices have not been produced to IEC/SC45A standards but which are candidates for use in nuclear power plants. It provides requirements for the selection and evaluation of such devices where they have dedicated, limited, and specific functionality and limited configurability.