Reed sensor with joint coupling: contact! Their magnetic fields are supporting each other, and the direction of the magnetic is correctly aligned as required for triggered the reed sensor. Joint couplings trigger the reed sensor without additional neodyme magnet. Even works when couplings is turned away from centerline. This even works when the coupling is turned away from the centerline of the track. Reed sensor with single coupling and attached 10mm neodyme magnet: contact! The magnet strengthens the magnet field of the coupling magnet and aligns it correctly, so that the reed sensors is triggered. This change when you attach a 10mm neodyme magnet on the coupling. Reed sensor with single coupling: no contact This is because the magnet turns freely inside the holder if uncoupled. The reason is not the strength of the magnetic field, but the lack of defined orientation of the magnetic field. Nevertheless, a single coupling alone does not trigger the sensor yet (see following picture). This is because the couplings of longer vehicles swivel out to the outer side in sharp curves, and are no longer precisely overhead the middle of the track. The reed sensor is turned vertically by 90° and must be placed in curves a bit on the outer side of the curve. This is a bit tricky, because you need to turn the reed sensor by 90°, and it does not work as reliable as the neodyme magnet option shown in the video. Anyway, there is also another solution, which is triggering the sensors with the couplings of the vehicles. Implementing the magnets into the trains as shown in the video is supposed to be the best and most reliable version of triggering the reed sensor.
In the video, we explain the design of the sensors and go for a testride with the V200 diesel engine and the Emerald Express. Video: reed sensors for the LEGO train layout.
#ROCRAIL WITH. INSTALL#
Infrared sensors are difficult to install in curves.Infrared sensors are ugly and comsume a lot of space on the layout.Infrared sensors have severe problems of detecting dark vehicles with complicated, stealth-like shapes – especially steam locomotives.Infrared sensors are heavily subject to the light situation and other environmental influences.Infrared technology has a couple of severe drawbacks: Traditionally, 3rd party vendors have supplied sensors for the LEGO train system based on infrared technology. The following diagram show how sensors are embedded in the system architecture of the MattzoBricks Train Automation System: MattzoBricks Train Automation System: Sensors stopping the train, allocating a block ahead, releasing the last block, and many other things.
#ROCRAIL WITH. SOFTWARE#
When reaching a sensor, the automation software is triggered to do different things depending on the specific situation, e.g. Sensors are an important part in train automation, because they provide information that a train has reached a certain position on the layout.
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