Lenz Digital Filter (13150)

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> Electrics & Power Controllers > Digital Command Control (DCC) > Automation Modules

Lenz Digital Filter (13150)
Filter unit to permit trains to pass from a conventional DC controlled layout section to a section under DCC command control without causing a short circuit or damage to DCC electronics.

Let us assume that you control a part of your model railroad digitally and another part conventionally. For instance you may have a digitally controlled locomotive servicing facility and a conventionally controlled line divided into blocks. If you now drive a locomotive (train) from one part into the other part, then the wheels of the vehicles will create a connection between the 2 layout parts. This connection will lead to a short circuit. Usually the digital system will shut off immediately. However it is possible for the digital and analog systems to combine in such a way that can either damage the analog system or the decoder. It is the task of the LT100 digital circuit breaker module to prevent this. The digital circuit breaker is simply inserted between the conventional transformer (power pack) and the track. If a connection is created by the wheels of a vehicle, then the LT100 module will interrupt the connection between the conventional analog system and the track. This way a short circuit is prevented and no damage can occur. The track is supplied with digital voltage during this time, so that the train can continue operating. Once the train has completely crossed the gap and the systems can no longer be combined the digital circuit breaker will reconnect the analog system. This happens very fast preventing any perceived interruption in power to the track. The result is a smooth transition between different control systems.

> Electrics & Power Controllers > Digital Command Control (DCC) > Automation Modules