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3. Standards Committees
4. DKE

DKE German Commission for Electrical, Electronic & Information Technologies of DIN and VDE

Overview

This standard applies to the instrumentation and control systems and equipment of new nuclear power plants as well as to instrumentation and control up-grading or back-fitting of existing plants. It includes requirements applicable to instrumentation and control systems that are used to perform functions important to safety in nuclear power plants. Instrumentation and control systems important to safety may be implemented using conventional hard-wired equipment, computer-based equipment or by using a combination of both types of equipment. This standard includes requirements and recommendations for the overall instrumentation and control architecture which may contain either or both technologies. This standard highlights also the need for complete and precise requirements, derived from the plant safety goals, as a pre-requisite for specifying the comprehensive requirements for the overall instrumentation and control architecture, and hence for the individual instrumentation and control systems important to safety. This standard introduces the concept of a safety life cycle for the overall instrumentation and control architecture, and the concept of a safety life cycle for the individual systems. By this, it highlights the relations between the safety objectives of the nuclear power plant and the requirements for the overall architecture of the instrumentation and control systems important to safety, and the relations between the overall instrumentation and control architecture and the requirements of the individual systems important to safety. The life cycles illustrated in, and followed by, this standard are not the only ones possible; other life cycles may be followed, provided that the objectives stated in this standard are satisfied. For existing plants, only a subset of requirements is applicable. This subset shall be identified at the beginning of any project. The responsible committee is UK 967.1 "Leittechnik für kerntechnische Anlagen" ("Instrumentation and control of nuclear facilities") of the DKE (German Commission for Electrical, Electronic and Information Technologies) at DIN and VDE.

Document: references other documents

Document: referenced in other documents

Responsible national committee

DKE/UK 967.1 - Elektro- und Leittechnik für kerntechnische Anlagen