How decoders are addressed confuses many. Multifunction decoders have 2 modes: Primary & Extended. Accessory decoders have 9 or 11 bit addresses. Not confusing at all.😀
https://dccwiki.com/Address_Range
#modeltrains #modeltrain #NMRA #modelrailroad #modelrailroading #HOScale #nscale #oscale
How to use an NMRA gauge for bulletproof trackwork, checking various parameters including coupler height.
#modeltrains #modeltrain #NMRA #modelrailroad #modelrailroading #HOScale #nscale #oscale
A number of command control systems have appeared for #modelrailroads over the years.
None were overly successful as incompatibility was the rule. The #NMRA would eventually create a standardized system called "Digital Command Control" in 1993.
#modelrailway #modeltrains #modelrailroading #NMRADCC
Read more at the DCCWiki
https://dccwiki.com/DCC_History
DCC: An acronym for Digital Command Control, a standard created by the #NMRA
DCC controls locomotives, therefore trains, in a more realistic fashion than a rheostat.
- Permits multiple locomotives to operate independently on a layout.
- A locomotive's headlight, ditch lights, &, other functions to be operated interactively.
- Allow multiple locomotives to operate cooperatively
https://dccwiki.com/Introduction_to_DCC
#ModelRailway #ModelRailways #modeltrain #railroadmodeling
Layout Command Control
An adjunct to Digital Command Control, & an #NMRA Standard. Provides a bus for auxiliary functions, reducing load on the throttle network.
LCC does not require a computer to operate!
Railroad Model Craftsman has a 3 part series on LCC beginning August 2024
https://dcc.wiki/3ybYb
#ModelRailway #modelrailroad #NMRADCC #railroadmodeling #modeltrain
The DCCWiki is a collaborative reference for #NMRA Digital Command Control.
You too can contribute content: Share your knowledge!
#DCC #NMRADCC
#ModelRailways #ModelRailway
#modelrailroad #railroadmodeling
Did you know that General Electric designed, manufactured and sold a Command Control system for model railways?
#ModelRailway
#modelrailroad
#NMRA
#NMRADCC
#RailwayModelling
There are several ways of measuring the voltage on the track with Digital Command Control.
Its nature means measurements may not reflect reality, and how the measurement is made is important.
Digital multimeters often give misleading results due to how they actually measure the voltage.
#ModelRailway #modelrailroad #NMRA #NMRADCC #RailwayModelling #railroadmodeling
Making a #Digitrax #LocoNet cable.
https://dccwiki.com/LocoNet/Making_a_LocoNet_Cable
It is critical that the type of RJ connectors match the type of wire it will be crimped on to. Stranded wire needs a plug meant for stranded wire.
Plus a good set of crimpers. Cheap ones often don't work well.
Read more about LocoNet and Throttle Networks on the DCCWiki.
Have fun with your DCC #ModelRailway .
A new version of JMRI has been released.
https://www.jmri.org/releasenotes/jmri5.8.shtml
Current version is 5.8.
#ModelRailway #ModelRailways #modelrailroading #DCC #NMRADCC #nmra
Java Model Railroad Interface (JMRI) is a collection of open-source tools for managing a model railroad layout.
#ModelRailway #ModelRailways #modelrailroading #NMRA #NMRADCC
In the early years of Digital Command Control the #NMRA small, medium & large connectors appeared.
Today they are obsolete, replaced by modern connectors with more contact points.
Please boost, spread the knowledge!
#ModelRailway #ModelRailways #modelrailroading #modelrailroaders #NMRADCC #modeltrains
Short Circuits & DCC:
Short circuits are bad in any instance. With #digitalcommandcontrol, boosters supply a lot of current, so a short is a very bad thing.
Most boosters use "rate of change." A sudden spike triggers the protection circuit. Therefore a short can occur, but the booster cannot see it.
With energy storage in multiple vehicles a false trigger is possible.
https://dccwiki.com/Short_Circuit
https://dccwiki.com/Energy_Storage
Wring a #ModelRailway for #NMRA Digital Command Control isn't difficult.
The basics:
1. It is not analog Direct Current so the rules are different.
Actually the wiring is much more straightforward, only a heavier gauge of wire is required. Reverse loops must be accommodated. Some turnouts may cause issues.
Outside of that, it is a lot easier than the old DC Block systems of yesteryear.
Quick Guide to #NMRADCC Consisting:
Basic: Multifunction Decoders share a Primary or Extended Address.
Advanced: Consist Address created by command station and written to CV19 in each multifunction decoder in the consist.
Command Station: Consist managed by the command station. It keeps track of which locomotives are part of the consist.
#LocoNet
#modelrailroading #DCCModelrailroad #NMRA #ModelRailway #modelrailroad
Share your knowledge about the NMRA's Digital Command Control by becoming a DCCWiki contributor.
Help fill in the gaps in the knowledge base, especially where information on various European brands is lacking. Or add your knowledge of Digitrax, NCE, TCS and others.
Knowledge is not wasted when shared.
#digitalcommandcontrol #modelrailroad #ModelRailway #ModelRailways #modelrail #DCC #NMRA #NEM #Digitrax #ESU #NCE
Flux makes soldering tasks easier. Particularly when you have old solder, where the flux is not as effective.
Not only is flux important, the correct flux is very important. Many use acid based fluxes for electrical and electronic work. Which is a big mistake.
#ModelRailway #modelrailroad #digitalcommandcontrol #NMRA #nmraDCC #electronics
An optional DCC configuration value is CV11, Packet Timeout.
It determines how long a multifunction decoder will wait until stopping when not receiving valid data packets.
Being optional, some manufacturers may use CV11 for other purposes.
DCC: Run your trains, not the track!
#ModelRailway #modelrailroad #modelrailroading #NMRA #NMRADCC #DCC
Digital Command Control supports automated braking, in several forms. It is important to note that the multifunction decoder must support this feature.
One of the simplest to implement is Asymmetric DCC. Five low cost diodes and it's done.
Read more about Braking Districts and other topics at the DCCWiki.
#DCC #ModelRailway #modelrailroad #NMRADCC #NMRA #digitalcommandcontrol
