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The software is currently produced by SoftRail (formerly Signal Computer Consultants) for Windows-based computers. The simulator is operated from the perspective of a CTC dispatcher. Track diagrams similar to actual CTC displays are provided, and train operations run according to a timetable. Operations can be run in real time or adjusted fast ...
A right-hand railroad switch with point indicator pointing to right Animated diagram of a right-hand railroad switch. Rail track A divides into two: track B (the straight track) and track C (the diverging track); note that the green line represents direction of travel only, the black lines represent fixed portions of track, and the red lines depict the moving components.
The locomotive decoders are dependent on AC track power (50 or 60 Hz) to synchronize the command receiver. Thus, TMCC can only operate on AC track power. Because TMCC utilizes the DCC command codes, it is possible to control TMCC with DCC compatible software. MTH Electric Trains included support to interface and control TMCC with its DCS system.
D-ATC indicator used on the E233 series trains. The digital ATC system uses the track circuits to detect the presence of a train in the section and then transmits digital data from wayside equipment to the train on the track circuit numbers, the number of clear sections (track circuits) to the next train ahead, and the platform that the train will arrive at.
These two mechanisms for control would be formalized by American railroad companies in a set of procedures called train order operation, which was later partly automated through use of Automatic Block Signals (ABS). The starting point of each system was the railroad timetable that would form the advanced routing plan for train movements. Trains ...
Communications-based train control (CBTC) is a railway signaling system that uses telecommunications between the train and track equipment for traffic management and infrastructure control. CBTC allows a train's position to be known more accurately than with traditional signaling systems.
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A rail break between the insulated rail joint and the track circuit feed wiring would not be detected. Failure modes that result in an incorrect "track clear" signal (known usually in North America as a "false clear") may allow a train to enter an occupied block, creating the risk of a collision. Wheel scale and short trains may also be a problem.