All three IR detectors are now in place and working. There are two sections in the tunnel at the east end of the station. These illuminate yellow LEDs on the control panel that indicate the section of track is occupied. In the first photo both LEDs are illuminated.
The third detector is at the west end of the station and is intended only to detect when a train passes a certain point (rather than a section of track). This will be used for setting the signal back to red after the train has left the station. For this detector there is no LED transmitter. The detector pokes up between the sleepers.
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| IR Detection Circuit |
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| 'Tract Circuit' indicators showing the presence of a train in the tunnel |
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| IR Detector poking between sleepers |
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