IEC 61772:2009

FOREWORD
INTRODUCTION
1 Scope and object
2 Normative references
3 Terms, definitions and abbreviations
4 Design requirements
  4.1 Intended purpose and application
      4.1.1 General
      4.1.2 Number and location of displays
      4.1.3 Placement to avoid daylight and lighting
            problems
  4.2 Principal users
  4.3 Failure criteria
  4.4 System requirements
  4.5 Information needs and application procedures
      4.5.1 General
      4.5.2 Back-fitting applications
      4.5.3 New MCR design
5 Design and implementation of VDU formats
  5.1 Design
  5.2 General requirements
      5.2.1 Presentation
      5.2.2 Availability
      5.2.3 Legibility
  5.3 Accuracy
      5.3.1 Understandability
      5.3.2 Compatibility of VDU-formats with other
            man-machine interfaces
      5.3.3 Consistency between VDU formats
  5.4 Form of presentation
      5.4.1 Principles
      5.4.2 Use of symbols and graphics
      5.4.3 Schematic and mimic displays
      5.4.4 Formatting of information
6 Design and implementation of large screen displays
  6.1 Purpose of LSD systems
  6.2 Overview of LSD design issues
  6.3 Placement of LSDs in the MCR
      6.3.1 General
      6.3.2 Placement relative to operators' viewing areas
  6.4 Information-content of LSD formats
      6.4.1 General
      6.4.2 Screen and display performance
      6.4.3 Screen format design for LSDs
      6.4.4 Special colour issues for LSD formats
  6.5 Control of change of display-content on LSDs
7 Verification
8 Validation
Annex A (informative) - Advantages and disadvantages of
        VDU-based display
Annex B (informative) - Examples of formats, typical use and
        some characteristics
Annex C (informative) - Format design and implementation
        basis
Annex D (informative) - Examples of access methods
Annex E (informative) - Verification and validation of VDU
Annex F (informative) - Method of VDU format design presenting
        information on plant conditions and equipment state

IEC 61772:2009 supplements IEC 60964 and presents design requirements for the application of VDUs in main control rooms of nuclear power plants. Assists the designer in specifying VDU applications including displays on individual workstations and larger displays for group-working or distant viewing. The main technical changes with respect to the previous edition are as follows:
- expand the previous text to cover the use of large screen displays, to provide improved recommendations on the use of colour, and to improve the coverage of back-fit or upgrade applications;
- present examples of good practice.