Layout Command Control

Under the auspices of the NMRA, an open source group of developers, called OpenLCB,  have been creating new standards for layout command control, which has been named, simply, Layout Command Control, otherwise known as NMRANet.  The program has been around at least since about 2016, gradually improving and very slowly gaining in popularity.  Clinics describing how it works have been occurring at national and regional meetings since then. 

This is basically an enhancement, not a replacement, of the DCC system.  When you wire your layout for DCC, you have one pair of bus wires going under the layout through which all locomotive and other signals travel.  These signals include not only the ones that make the locomotive move, but also all the others that control the lights, the sound, the speed and multiple other variables on the loco and decoder-operated devices.  If you have several locomotives and other devices on your layout pulling current from that same pair of bus wires, the signals start slowing down. It may take several seconds for a turnout to switch or a ditch light to come on, or the speed to change.   The main idea behind Layout Command Control is that it allows these other, non-engine related, signals to locomotives and other decoder-operated devices to travel through a separate bi-directional pair of bus wires, which then greatly enhances speed and reliability.

Since the platform is standardized and the standards are approved by the NMRA, manufacturers must follow those standards, which means that all the products made for LCC will be interchangeable. 

Manufacturers have been slow to bring products to market that would facilitate using LCC on the average layout,  but they are starting to appear. TCS (Train Control Systems), RR-CirKits now have products for use on LCC platforms, and more are being developed.  Also Deepwoods Software is incorporating LCC code into their "Model Railroad System" software that you can download from their site. 

Here is a video tour of Detlef Kurpanek’s GNW layout using the Layout Command Control system and the products used for it...

For more information, please visit the NMRA Introduction to Layout Command Control. 

Also see A Few FAQs about Layout Command Control.

Back to Home Page

BYMRR Train Store Online: Everything You Need to Build Your Model Railroad Empire.BYMRR Train Store Online: Everything You Need to Build Your Model Railroad Empire.


Visitors / Page Views:



Contact Me | Blog | Photos | References | Supplies | GiftShop | Sitemap | Search | Comment  | Privacy Statement  | Disclosures

Train Logo for Building Your Model Railroad
BYMRR (Building Your Model Railroad) logo

Tracks Newsletter: Sign Up Here!

Here are the Products and Tools specifically selected for you to Build Your Model Railroad:

Steam Engine

BYMRR Hobby Central

Another Option for Serious Model Railroaders

Great Prices * Excellent Service

trainstoreonline.net


Monetize Your Website:
Increase ad revenue 50-250% with Ezoic.
(It Works!)


New Logo for Building Your Model Railroad
Follow BYMRR
Follow Us on Facebook
and Instagram


(Disclosures)

√ = ad or sponsored link


What's New on BYMRR.com?

Recent Articles

  1. Mountainous Layout Without Grades

    Feb 04, 23 06:54 AM

    One way to create a mountainous layout without requiring steep grades is to lay your track flat on 4-inch risers. You could even have one mainline on the layout surface and a second mainline on the 4…

    Read More

  2. Make a Pond for Your Model Railroad

    Feb 03, 23 01:50 PM

    Choose the right material: A popular choice for creating water effects is clear silicone rubber, which can be tinted with food coloring to create different water hues. Prepare the surface: Clean the a…

    Read More

  3. How to Install a DCC Decoder in an N Scale Locomotive

    Jan 29, 23 03:09 PM

    Installing a DCC decoder in an N Scale locomotive can open up a world of possibilities when it comes to customizing your model railway. With a Digital Command Control (DCC) decoder, you’ll be able to…

    Read More