There are two major objectives for this reference. One is to recommend practices that should be followed by clubs wishing to use DCC operations in conjunction. layouts. This manual gives many ideas, but in general remember that there .. layouts are now powered with. DCC. For very large NTRAK layouts with multi . In , NTRAK adopted a “Recommended Practice” (RP) for track wiring on mod-. The wiring practices described are based on Best Practices which have been demonstrated to work, both in a home layout and large modular layouts.

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Rules for DCC Design and Operation of NTRAK Layouts

LocoNet is a peer-to-peer distributed network system on which all devices can monitor the network data flow. Walkaround Control Most DCC systems provide for walkaround control which allows you to walk with your train around the layout, staying where the action is. They developed a set of unified standards that allowed modelers to build small modules that could be joined to form a larger layout.

Check the tables for your scale. While designed for large public display layouts, the NTRAK modules are being used for home layouts and for club recommfnded as well.

DCC for NTRAK and T-TRAK Layouts | NRMRC

Either receiver places a heavy current draw on LocoNet, and enough of them, coupled with UT-type throttles will cause problems with LocoNet if there is not supplemental power. Other dimensions are possible, but these are the most common. IR receivers must be mounted high use the radio tower to give a clear line-of-sight between the DTxxxIR throttles and the receivers. A return address label applied to the item is a simple and adequate means of identification.


A third track, the branch line is used for picking up and setting out cars at the many industries along the way. The 12AWG recommendation preceeded my original PowerPole proposal, but they fit well together and both addressed a common issue. But computers have electronics and chips yet most people use computers. Your name or email address: Essentially you will have tracks with insulated joiners in both rails at each end of the module.

At the NMRA national convention, they ran a 12 x foot N scale modular layout with to car trains running on the three-track closed-loop layout.

I did so because there were real problems with the CJ plugs that affected everyone. Radio signals are functional to about feet.

It is extremely important for the proper and safe operation of the layout that a short circuit anywhere on the layout cause a device PM42 or Booster to shut down virtually immediately. There are two ways: Connect wires from the center terminals of the DPDT switch to the two rails.

Kato passenger cars be sure to include their current draw in any Booster current calculations. No other industry was using them and in light of that to foe they would continue to be manufactured was wishful thinking.

Tethered throttles must be plugged into a throttle bus to control the train, but they can be unplugged and plugged into another location on the bus as llayouts train proceeds. The lower the current setting the less the voltage drop at the end of the power district. This frees up slot memory for additional new locomotives.

Since your are running trains rather than the track, multiple trains can be run at the same time, even on the same track. We are such a mobile society and the modules make it very easy to move a layout from one home to the next without destroying ntak the work that went into it. You fof scroll through the entire document or go quickly to individual practicds by clicking on the desired rule below. Naturally this applies accross the board as it is now the Ntrak standard.


The fact that DCC involves electronics and computer chips tends to intimidate many folks who are not electrical engineers. They gag on it. The only LocoNet outside of the control case is for throttles.

We have not seen any issue with 12 gauge wire and since many of the modules have been converted, we no longer need to run a second feeder set to our loop.

Introduction & Overview | National Model Railroad Association

Skip to main content. It’s ok if your modules are only ever going to be used on their own but once you want to put them in a layout with other modules, or you want to invite other module owners to take part in your layout, you have to follow the manual.

Any module that does not meet NTRAK electrical standards as a minimum should not be used in a digital layout. A module is a 2-foot deep by four- or six-foot long section of a model railroad easily transported by the owner. You will need a specially-wired module for the transition.