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IEC 62241:2004

Current
Current

The latest, up-to-date edition.

Nuclear power plants - Main control room - Alarm functions and presentation
Available format(s)

Hardcopy , PDF , PDF 3 Users , PDF 5 Users , PDF 9 Users

Language(s)

English - French

Published date

11-02-2004

FOREWORD
INTRODUCTION
1 Scope and object
2 Normative references
3 Terms and definitions
4 Background explanations
   4.1 Problems of alarm systems
   4.2 Functional design elements
   4.3 Other elements
5 Basic functional requirements
   5.1 Alarm functions
   5.2 Alarm signals
   5.3 Alarm signal processing
   5.4 Alarm display processing
   5.5 Alarm control and management
   5.6 Alarm presentation and display-control integration
   5.7 Human factors
   5.8 Evaluation
6 Design definition of alarms
   6.1 General
   6.2 Key alarms
   6.3 Alarms needed
7 Alarm signal processing
   7.1 General
   7.2 Alarm signal validation
   7.3 Alarm generation and reduction processing
   7.4 Event sequence and time delay processing
   7.5 First-out processing
8 Alarm display processing
   8.1 General
   8.2 Grouped alarms
   8.3 Alarm suppression
   8.4 Dark-board presentation
9 Alarm control and management
   9.1 General
   9.2 Audible warning and silence
   9.3 Flash and reflash
   9.4 Acknowledgement
   9.5 Ringback
   9.6 Reset
10 Alarm presentation and display-control integration
   10.1 General
   10.2 Alarm fascia and tile
   10.3 VDU alarm list display
   10.4 Audible annunciation
11 Reliability, testing, and maintainability
   11.1 Reliability
   11.2 Testing
   11.3 Maintainability
12 Alarm recording
13 Alarm response procedures (ARP)
   13.1 General
   13.2 Contents
   13.3 Format
Annex A (informative) Problems of alarm system
Annex B (informative) Information sources for signals used
        to generate alarms
Annex C (informative) Examples of alarm processing logic and
        dynamic prioritisation
Annex D (informative) Conceptual example of alarm grouping
        and categorisation
Annex E (informative) Material for the need of distinction
        between alarm and status information
Annex F (informative) Example of arrangement of alarm tiles
Annex G (informative) Examples of Points to Consider in the
       Categorisation of Alarms

Provides the functional requirements for the alarm systems in the main control room of nuclear power plants. Establishes the human factors requirements and the design guidelines for alarm presentation for the main control room of nuclear power plants.

Committee
TC 45/SC 45A
DevelopmentNote
Stability Date: 2017. (09/2017)
DocumentType
Standard
Pages
99
PublisherName
International Electrotechnical Committee
Status
Current

Standards Relationship
NF EN 62241 : 2015 Identical
NBN EN 62241 : 2015 Identical
NEN IEC 62241 : 2004 Identical
NEN EN IEC 62241 : 2015 Identical
PN EN 62241 : 2015 Identical
VDE 0491-5-2 : 2015 Identical
DIN EN 62241 : 2015 Identical
DIN IEC 62241 : 2006 Identical
BS IEC 62241 : 2004 Identical
SN EN 62241:2015 Identical
UNE-EN 62241:2015 Identical
EN 62241:2015 Identical

07/30135879 DC : 0
BS IEC 60965 : 2009 NUCLEAR POWER PLANTS - CONTROL ROOMS - SUPPLEMENTARY CONTROL POINTS FOR REACTOR SHUTDOWN WITHOUT ACCESS TO THE MAIN CONTROL ROOM
CEI EN 61772 : 2013 NUCLEAR POWER PLANTS - CONTROL ROOMS - APPLICATION OF VISUAL DISPLAY UNITS (VDUS)
NF EN 60964 : 2010 NUCLEAR POWER PLANTS - CONTROL ROOMS - DESIGN
I.S. EN 62682:2015 MANAGEMENT OF ALARMS SYSTEMS FOR THE PROCESS INDUSTRIES
CEI EN 60964 : 2011 NUCLEAR POWER PLANTS - CONTROL ROOMS - DESIGN
IEC TR 62247:2003 Nuclear power plants - Main control room design - A review of the application of IEC 60964 (1989)
EN 60965:2016 Nuclear power plants - Control rooms - Supplementary control room for reactor shutdown without access to the main control room
BS IEC 61500 : 2009 NUCLEAR POWER PLANTS - INSTRUMENTATION AND CONTROL IMPORTANT TO SAFETY - DATA COMMUNICATION IN SYSTEMS PERFORMING CATEGORY A FUNCTIONS
IEC TR 62096:2009 Nuclear power plants - Instrumentation and control important to safety - Guidance for the decision on modernization
IEC 62646:2016 Nuclear power plants - Control rooms - Computer-based procedures
I.S. EN 61500:2011 NUCLEAR POWER PLANTS - INSTRUMENTATION AND CONTROL IMPORTANT TO SAFETY - DATA COMMUNICATION IN SYSTEMS PERFORMING CATEGORY A FUNCTIONS
VDI 3814 Blatt 7:2012-05 Building automation and control systems (BACS) - Design of user interfaces
I.S. EN 60965:2016 NUCLEAR POWER PLANTS - CONTROL ROOMS - SUPPLEMENTARY CONTROL ROOM FOR REACTOR SHUTDOWN WITHOUT ACCESS TO THE MAIN CONTROL ROOM
15/30300369 DC : 0 BS IEC 62646 ED 2.0 - NUCLEAR POWER PLANTS - CONTROL ROOMS - COMPUTER BASED PROCEDURES
17/30327241 DC : 0 BS EN 61500 ED.2 - NUCLEAR POWER PLANTS - INSTRUMENTATION AND CONTROL IMPORTANT TO SAFETY - DATA COMMUNICATION IN SYSTEMS PERFORMING CATEGORY A FUNCTIONS
BS IEC 62646:2016 Nuclear power plants. Control rooms. Computer-based procedures
15/30298379 DC : 0 BS EN 60965 ED 3.0 - NUCLEAR POWER PLANTS - CONTROL ROOMS - SUPPLEMENTARY CONTROL ROOM FOR REACTOR SHUTDOWN WITHOUT ACCESS TO THE MAIN CONTROL ROOM
BS EN 61772:2013 Nuclear power plants. Control rooms. Application of visual display units (VDUs)
CEI EN 61500 : 2012 NUCLEAR POWER PLANTS - INSTRUMENTATION AND CONTROL IMPORTANT TO SAFETY - DATA COMMUNICATION IN SYSTEMS PERFORMING CATEGORY A FUNCTIONS
03/305178 DC : DRAFT MAR 2003
NF EN 61772 : 2013 NUCLEAR POWER PLANTS - CONTROL ROOMS - APPLICATION OF VISUAL DISPLAY UNITS (VDUS)
I.S. EN 61772:2013 NUCLEAR POWER PLANTS - CONTROL ROOMS - APPLICATION OF VISUAL DISPLAY UNITS (VDUS) (IEC 61772:2009 (EQV))
IEC 60964:2009 Nuclear power plants - Control rooms - Design
IEC 61772:2009 Nuclear power plants - Control rooms - Application of visual display units (VDUs)
I.S. EN 60964:2010 NUCLEAR POWER PLANTS - CONTROL ROOMS - DESIGN
BS EN 60965:2016 Nuclear power plants. Control rooms. Supplementary control room for reactor shutdown without access to the main control room
BS IEC 61772:2009 Nuclear power plants. Control rooms. Application of visual display units (VDUs)
BS IEC 60964 : 2009 NUCLEAR POWER PLANTS - CONTROL ROOMS - DESIGN
BS EN 62682:2015 Management of alarms systems for the process industries
08/30163333 DC : DRAFT SEP 2008
07/30135889 DC : DRAFT DEC 2007 IEC 61772 - NUCLEAR POWER PLANTS - CONTROL ROOMS - APPLICATION OF VISUAL DISPLAY UNIT (VDU)
BS IEC/IEEE 62646 : 2012 NUCLEAR POWER PLANTS - CONTROL ROOMS - COMPUTER BASED PROCEDURES
BS EN 61500:2011 Nuclear power plants. Instrumentation and control important to safety. Data communication in systems performing category A functions
IEC 62682:2014 Management of alarm systems for the process industries
EN 61500:2011 Nuclear power plants - Instrumentation and control important to safety - Data communication in systems performing category A functions
08/30166255 DC : DRAFT JUNE 2008
IEC 60965:2016 Nuclear power plants - Control rooms - Supplementary control room for reactor shutdown without access to the main control room
PD IEC/TR 62096:2009 Nuclear power plants. Instrumentation and control important to safety. Guidance for the decision on modernization
BS EN 60964:2010 Nuclear power plants. Control rooms. Design
EN 60964:2010 Nuclear power plants - Control rooms - Design
EN 61772:2013 Nuclear power plants - Control rooms - Application of visual display units (VDUs)
EN 62682:2015 Management of alarms systems for the process industries

IEC 61226:2009 Nuclear power plants - Instrumentation and control important to safety - Classification of instrumentation and control functions
IEC 61839:2000 Nuclear power plants - Design of control rooms - Functional analysis and assignment
IEC 61772:2009 Nuclear power plants - Control rooms - Application of visual display units (VDUs)
IEC 61771:1995 Nuclear power plants - Main control-room - Verification and validation of design
IEC 60964:2009 Nuclear power plants - Control rooms - Design

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