IEC 60050-821:2017
Current
The latest, up-to-date edition.
International Electrotechnical Vocabulary (IEV) - Part 821: Signalling and security apparatus for railways
Hardcopy , PDF , PDF 3 Users , PDF 5 Users , PDF 9 Users
English - French
11-20-2017
FOREWORD
INTRODUCTION - Principles and rules followed
1 Scope
2 Terms and definitions
821-01 General concepts and terms
821-02 Signals
821-03 Train detection
821-04 Operation and detection of points and other
rail-mounted equipment
821-05 Interlocking and signal box equipment
821-06 Block signalling system
821-07 Level crossing protection
821-08 Automatic train protection
821-09 Automatic train operation
821-10 Miscellaneous
821-11 Communication in transmission systems
821-12 Reliabilty, availability, maintainability
and safety
INDEX
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