Download 6 signalling systems

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9
RATO 6.1 Definitions, symbols and abbreviations
Distributed interlocking
A distributed interlocking is an interlocking system where the satellite
interlockings are not operating as independent interlocking systems. A central
interlocking for the distributed interlocking controls route setting. In this part of
RATO, the satellite interlocking is considered equal to interlocking.
Emergency command
An emergency command is a command, the conditions of which do not meet all
the safety requirements set for interlocking functions. An emergency command
must be a critical command.
Engineering configuration requirements
Engineering configuration requirements refers to individual project documents
concerning technical solutions and operation methods approved by the Finnish
Transport Agency.
Entry point
An entry point is the first point when approaching the railway operating location.
Facing point
A facing point is the point layout direction seen from the point blade tips
towards the blade base.
Fictive signal aspect
A fictive signal aspect is a status information indication to ATP. A fictive signal
aspect may indicate the point speed information or information about
consecutive set routes, points on such routes, set overlap, a route exit signal or a
main route to an occupied track.
Flank protection
Flank protection is an element that protects the locked route or local point
operation group with given local point operation permission from any other train
movement.
Fouling sign point
A fouling sign point is the location, up to which the track can be run without
interfering with the movements on the adjacent track.
Fouling sign point of a point
A fouling sign point of a point is a fouling sign point associated with a point.
RATO 6 2009-12