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Diagram 115: Main Block Diagram in the Visual Dispatcher
Please note that the block diagram represents the track layout in rough outline. The actual
track connection between “Main Line West” and “Hidden Yard 3”, for example,
contains two switches. These switches are not drawn in the block diagram in detail. Instead
a route between both blocks is created.
All necessary routes between all blocks are created and recorded automatically.
Step 4: Contact Indicators
We want to equip each block on the main loop with three occupancy sensors. The arrangement
of indicators of each block follows Diagram 90 (please refer to page 121).
The occupancy sensor in the center of each block (dark red zones in Diagram 116) will
be used as brake indicator for both directions; the sensors on both sides of each block
will be used as stop indicator for the related direction (light red zones in Diagram 116).
The branch line to “Northville” contains 3 blocks. Since we do not want to run automatic
trains there it is sufficient to install one occupancy sensor in each of these blocks
for train tracking of manual trains.
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