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Universal Layout-Light-Control for analogue and digital model railway layouts which are operating self-sufficient with or without PC or digital command station.

The Layout-Light-Control Light-DEC consist of one Light-DEC-Basis-Module (at the picture right) and as minimum of one Light-Module (Light-Display – at the picture left – or Light-Power) which has to be plugged to the side of the Basic-Module.

Features of Light-DEC

With Light-DEC is a universal solution available for a free distribution of up to 44 light-functions onto maximal 160 light-outputs. Those functions can be automatically switched specific on- or off during the running day-time. If there are more than 160 light-outputs required can be further Light-DEC Systems installed.

The running day consist of four day phases: dawn, day, dusk, and night. For each day-phase can be the starting-time and a time factor individual defined. Via the time-factor is it possible to accelerate the time of the day-phases.

The sense of the time factor is to reduce timely a model-railway day as required. Model railway days have mostly the length of 15 to 60 Minutes. On Model railway exhibition layouts is the length of a model-day mostly 15 Minutes long: 10 Minutes day and 5 Minutes dark.

The model railway-night is optical impressive but the various interesting designed layout details can only be clearly identified during a longer light phases. With Light-DEC you can reproduce this requirement optimal on your model railway layout.

The Light-Control Light-DEC can be automatically started as soon as voltage will be supplied to the module. But there is a possibility to start or stop via an external push button or switch. The starting time can be free selected.

There are 8 clamps for push buttons or switches available which are as well be specific via the light function activated or deactivated.

Light-DEC is a product of our Digital-Professional Series and contains therefore a digital input:

Therefore is it possible to start or stop the Layout-Light-Control Light-DEC as well via a DCC-Command. Light-DEC can be activated via this command e.g. from the model railway control software. Therefore will be the model railway times correspond to the software and is synchronized to the layout-light-control.

Also the light functions can be switched on or off via DCC commands. On this way will be for example the flash-light of a railway crossing activated or deactivated from the digital command station or from the model railway control software.

Components of the Light-DEC

The Layout Light Control Light-DEC is modular designed and can be therefore optimal adapted to any layout size and to any individual requirement at very low cost.


Basic component of the Light-Control Light-DEC is the Light-DEC-Basis-Module.

It consist of the Light-DEC-Basis-Module and min. one Light-Module, which has to be plugged onto the side of the Basic-Module.

Basic unit of the Layout-Light-Control Light-DEC with the Light-DEC-Basis-Module (at the sample connection right) and the minimum of one Light-Module (Light-Display – at the sample connection left – or Light-Power), which has to be plugged to the side of the Basic-Module.

Light-Display-Modules have 40 outputs which supply a current of up to 0.5 Ampere. They are optimal for the application of model incandescent lamps and LED.

Light-Power-Module with 24 outputs supply a maximum current of 2.5 Ampere each output. With reason to the high output current they are suitable to switch a great number incandescent lamps e.g. light-poles for road illumination at the same time.

With one Light-DEC Basis-Module can be up to 160 light outputs via maximal 7 Light-Modules controlled. In this process is it possible to combine Light-Display- and Light-Power-Modules as required. All Light-Modules can be directly connected to each other.

If the Light-Modules shall be installed at longer distances for getting them closer to the light sources they shall be connected to each other with screened interference protected Patch-Cable (Computer Network cable).

There are 44 Light functions (e.g. neon light, flash light, running light, traffic lights, rail crossing, television set, welding arc, car direction indicator, house illumination, fair places) for selection available, which can be individual assigned to the outputs of the Light-Modules.

The Light-DEC Basis-Module contains a display and 4 push buttons, for adjusting all settings at a clear motion.

During operation will be the actual model time indicated at the display. Additionally can be the day phase and the related time factor indicated. For the voltage supply of the Layout-Light-Control Light-DEC are model railway transformers and DC-Current switched mode power supplies suitable.


Instructions regarding this article can be found here: Downloads Layout-Light-Control Light-DEC and Downloads Light-Module.
Instructions for all LDT-Components can be found here: Overview Downloads.


Sample-connections regarding this article can be found here: Sample-Connections Light-DEC.
Sample-connections for all LDT-Components can be found here: Overview Sample-Connections.

Add to Wish List / Prices

Attention: Products can only be added to the Wish List, if you are registered as customer at the LDT WebShop or if you are initially registered by interest of our products.

Add to Wish List: Light-DEC-Basis-F (Part-No.: 810222): Basic-Module for the Light-Control Light-DEC as a finished module (109,90 €*).

Add to Wish List: Light-Display-B (Part-No.: 050031): Light-Display-Module for the Light-Interfaces
as a kit (59,90 €*).
Add to Wish List: Light-Display-F (Part-No.: 050032): Light-Display-Module for the Light-Interfaces
as a finished module (79,90 €*).

Add to Wish List: Light-Power-F (Part-No.: 050062): Light-Power-Module for the Light-Interfaces
as a finished module (84,90 €*).

* All prices incl. VAT, plus Shipping.

Subject to technical changes and errors.
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