IEC 61504:2000 pdf free download Nuclear power plants – Instrumentation and control systems important to safety – Plant-wide radiation monitoring
1 Scope and object
This International Standard provides guidance on the design principles and performance criteria for computer-based radiation monitoring systems (RMS). Such systems are provided to integrate the monitoring of plant-wide processes, effluent streams, and area radiation
This standard describes the integration of functions including equipment such as those described in standards IEC 60761 -1 , IEC 60761 -2, IEC 60761 -3, IEC 60761 -4, IEC 60761 -5, IEC 60768, IEC 6091 0, IEC 60951 -1 IEC 60951 -2, IEC 60951 -3, IEC 60951 -4, IEC 60951 -5, IEC 61 031 , and IEC 61 250 into a plant-wide digital system. The requirements of system-level components (central computer, subsystem computers, operator consoles, and inter- connections) are discussed. For detection assemblies, processing units and alarm units, this standard contains only the requirements needed to allow connection into the centralized system. The standards referenced above contain the specific requirements for these components.
This standard provides criteria for the interface between monitors of different safety classes. This standard integrates data processing, storage, optimization, and correlation of data flow and displays.
This standard defines the communication criteria to link distributed radiation monitoring equipment in the plant with an open architecture configuration. This standard does not apply to the design and testing of detection and measurement assemblies and subassemblies except as necessary to define the interface with the plant-wide system.
Certain RMS functions, or a complete centralized radiation monitoring system may be entirely implemented with direct-connected analogue/relay technology. This standard does not apply to such functions or systems.
2 Normative references
The following normative documents contain provisions which, through reference in this text, constitute provisions of this International Standard. For dated references, subsequent amendments to, or revisions of, any of these publications do not apply. However, parties to agreements based on this International Standard are encouraged to investigate the possibility of applying the most recent editions of the normative documents indicated below. For undated references, the latest edition of the normative document referred to applies. Members of IEC and ISO maintain registers of currently valid International Standards.
IEC 60050(393):1 996, International Electrotechnical Vocabulary (IEV) – Chapter 393: Nuclear instrumentation – Physical phenomena and basic concepts
IEC 60050(394):1 995, International Electrotechnical Vocabulary (IEV) – Chapter 394: Nuclear instrumentation – Instruments
IEC 60761-1,Equipment for continuously monitoring radioactivity in gaseous effluents -Part 1: General requirements
IEC 60761-2,Equipment for continuously monitoring radioactivity in gaseous effluents -Part 2: Specific requirements for aerosol effluent monitors
IEC 60761-3,Equipment for continuously monitoring radioactivity in gaseous effluents -Part 3: Specific requirements for noble gas effluent monitors
IEC 60761-4,Equipment for continuously monitoring radioactivity in gaseous effluents -Part 4: Specific requirements for iodine monitors
IEC 60761-5,Equipment for continuously monitoring radioactivity in gaseous effluents -Part 5: Specific requirements for tritium effluent monitors
IEC 60761-6,Equipment for continuously monitoring radioactivity in gaseous effluents -Part 6: Specific requirements for transuranic aerosol effluent monitors
IEC 60768,Process stream radiation monitoring equipment in light water nuclear reactors fornormal operating and incident conditions
IEC 60780,Nuclear power plants – Electrical equipment of the safety system – Qualification
IEC 61504:2000 pdf free download
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