Model Railway Analog Wiring

November 27, 2009

Collectors of model trains and railroads know that model railroad wiring is one of the most important aspect and an exciting part of customizing collections of model trains. Every train ought to stop at each station and gradually decelerate on every tight corner and junction. Every stop at each station, there is a certain amount of time where trains can load and unload passengers. To make this automatic run possible when running an analog model train set, you need to do some tinkering with the wires and add a few components.

In order to achieve this goal, you have to know where to isolate certain divisions of the track and to configure the circuit board wirings that will control the speed and pace of the train when it goes through a certain portion of the track. One key component needed to be able to inform the circuit board when the train to stop is known as a position sensor.

For a train to slow down, you’ll need a circuit board type AS-1. From the circuit board, one wire should be connected to the isolated rail and another wire should be linked to the powered rail on the same isolated track. A train with a flywheel works great with this feature as it can slow down the train and start it up again. The train will regain its utmost velocity once it reaches a track that is not isolated.

To slow down, delay, stop and start the train a photo sensor will be required along with a DT-4, TD-1 and AS-1 circuit boards. Connect the DT-4 and TD-1 boards with a single wire. One wire from the DT-4 connects to the isolated track and one wire from the TD-1 should connect to one rail on the isolated track. A third wire should link up TD-1 to AS-1 and one wire from the AS-1 should go to the non-isolated track.

When the train reaches the isolated track, it would slow down and will stop as it reaches the station where the photo sensor is placed. Depending on how long you set the duration for the train to stop on the circuit board, it will re-activate which will move the train at a start pace. When it reaches the next track, it will pick up speed.

For a model train to go in reverse, an AR-1 circuit board will do the job and two position sensors. Two separate wires from the AR-1 should connect to both rails on the track and one more pair of wires connects to the photo sensor.

If you don’t know anything about wirings, then getting a Digital Command Control train set would be a better option. DCC will let you control the train’s momentum and path without doing any technical alterations.

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