Digital protocols
The command station must transmit the data formats supported by the existing decoders. Important formats include DCC, mfx, Motorola, M4 and, for some older vehicles, Selectrix.
Digital control for compact layouts and large garden railways
The most important decision before purchasing
Which digital command station suits your model railway?
A digital command station is the control and command centre of a digital model railway. It receives input from handheld controllers, a touchscreen, smartphone, tablet or computer and converts it into digital commands that are transmitted through the track to locomotive decoders. Turnouts, signals, lighting, turntables and other accessories can also be controlled.
The best digital command station is therefore not automatically the device with the largest display or the highest output current. What matters is whether the system suits the existing vehicle decoders, the model railway scale, the preferred operating method and planned expansions. A compact DCC command station is often sufficient for a small N-scale layout. A large H0 layout with many moving trains, feedback modules and computer control has very different requirements. For Gauge 1 and Gauge G, a suitable track voltage and considerably greater power reserves also become important.
Owners of Märklin H0 vehicles should pay particular attention to mfx, mfx+ and Motorola. On two-rail layouts in Z, N, TT, H0, H0e, H0m, 0 or 1, DCC is especially widespread. Anyone wishing to receive information from vehicle decoders should also check RailCom and the feedback technology supported by the selected system.
Output current and voltage
The output and adjustable track voltage must suit the selected scale. More current does not replace proper division into separate booster districts.
Operation and networking
Available options include rotary controllers, wireless handheld controllers, touchscreens, apps, browser interfaces and computer programs for semi-automatic or fully automatic operation.
Feedback
Feedback modules report occupied track sections and layout states. The command station, feedback bus and connected modules must be compatible.
Programming track
A separate programming output makes it easier to read and modify decoder values without affecting other vehicles on the layout.
Expandability
Check the availability of controllers, boosters, accessory decoders, feedback modules, Wi-Fi components and software connections before choosing a system.
Direct overview of important systems
Compare digital command stations by protocol, power and application
The table provides an initial guide. For a specific project, also consider the power supply, track voltage, boosters, feedback buses, software and any digital equipment that is already installed.
| System | Important protocols | Power | Operation and networking | Especially suitable for |
|---|---|---|---|---|
| Märklin CS3 / CS3 plus | mfx, mfx+, Motorola, DCC | Up to 5 A with a suitable power supply | Touchscreen, LAN, browser and handheld controllers | Märklin H0, Gauge 1 and mixed multi-protocol layouts |
| ESU ECoS 2.5 | DCC, Motorola, Selectrix, M4 | 6 A with adjustable track voltage | Large touchscreen, LAN and ECoSlink | Extensive layouts and mixed decoder fleets |
| Roco Z21 | DCC, Motorola | Up to 3 A with adjustable voltage | App, Wi-Fi, LAN, multiMAUS and computer | DCC layouts, feedback and computer control |
| Uhlenbrock Intellibox 3 | DCC, Motorola, Selectrix, mfx | Integrated power output | Speed controllers, colour display, Wi-Fi and LocoNet | Multi-protocol operation and extensive LocoNet layouts |
| Lenz LZV200 | DCC | 5 A | XpressNet controllers and additional modules | Traditional, powerful DCC layouts |
| PIKO SmartControl WLAN | DCC | 2 A with the H0 base unit | Wi-Fi handheld controller and app connectivity | Beginners, compact layouts and mobile operation |
| YaMoRC YD7010 | DCC | 3 A | Wi-Fi, LAN, USB, Z21 and LocoNet connectivity | Open DCC networks and computer-focused layouts |
| Massoth DiMAX 1210Z | DCC and Massoth digital functions | Selectable 4, 7 or 12 A | Navigator, wireless control and DiMAX bus | Gauge G, garden railways and high power requirements |
| tams mc² | DCC, DCC-A, Motorola, m3 | Depends on booster and power supply | LAN, several buses and computer connectivity | Modular layouts and cross-system networking |
Important: The current rating does not indicate how
many locomotives can be stored. It indicates how many consumers can
receive power simultaneously from one supply district. Regardless of
overall output, large layouts should be divided into manageable booster
and short-circuit districts.
Strengths of the best-known digital system families
From compact handheld control to a networked multi-protocol command station
Every system has its own priorities. One particularly important consideration is whether existing controllers, feedback modules and boosters should continue to be used.
Märklin Central Station and Mobile Station
The Central Station 3 is designed particularly for Märklin centre-conductor layouts. Compatible mfx locomotives register automatically. DCC and Motorola also make it possible to operate additional decoders. The Mobile Station offers a more compact entry point.
Suitable for
H0 centre-conductor layouts, Märklin Gauge 1, mfx vehicles and central touchscreen control.
Roco Z21 and z21
The Z21 combines DCC control, handheld controllers, smartphone apps, networking and feedback. It is suitable for manually operated layouts as well as later computer control. The precise features differ between the available Z21 versions.
Suitable for
Two-rail layouts, app control, Wi-Fi controllers and automated operating sequences.
ESU ECoS
The ECoS combines a large touchscreen, two speed controllers, multi-protocol operation and a powerful output stage. It is particularly useful when older Motorola or Selectrix vehicles are operated alongside DCC and M4 decoders.
Suitable for
Large layouts, mixed vehicle fleets and convenient operation directly from the command station.
Uhlenbrock Intellibox and DAISY II
Uhlenbrock offers several levels of control, from the compact DAISY II system to the Intellibox. One major focus is LocoNet, which can connect handheld controllers, feedback modules and other components throughout the layout.
Suitable for
Modular control, several operating positions and layouts with existing LocoNet components.
Lenz Digital
Lenz focuses on a traditional, expandable DCC system. The LZV200 combines the command station and power amplifier. Handheld controllers and additional devices can be added through XpressNet, while starter sets provide a straightforward introduction.
Suitable for
DCC users, robust layout control and gradual expansion without unnecessary operating layers.
PIKO SmartControl WLAN
The SmartControl system combines a convenient Wi-Fi controller with a compact DCC command station. A more powerful Gauge G version is available for garden railways and is designed for larger vehicles with higher current consumption.
Suitable for
Beginners, mobile control, PIKO vehicles and H0 or garden railway layouts.
YaMoRC and open networks
YaMoRC is aimed at DCC users who wish to combine different network and bus standards. The YD7010 can be connected through LAN, Wi-Fi or USB and supports several commonly used control methods.
Suitable for
Computer control, network-oriented layouts and users with existing DCC components.
Massoth DiMAX for large scales
Massoth develops digital technology with a particular focus on Gauge G and garden railways. High adjustable output currents, wireless handheld controllers and robust expansion options support long trains and several large-scale vehicles.
Suitable for
LGB, PIKO G, protected garden railway technology and layouts with high power demands.
Size the output correctly
Which digital command station suits each model railway scale?
The digital signal is not tied to one particular scale. Current consumption, track voltage, available space and the number of trains operating at the same time can nevertheless differ considerably.
Gauge Z and Gauge N
Small motors require comparatively little current. A suitable, preferably adjustable track voltage is more important than very high output power. Compact DCC command stations are sufficient for many layouts.
Suitable systems
Lenz Starter, YaMoRC, DAISY II, PIKO SmartControl and Roco Z21.
Important for small scales
Clean track, reliable power feeds and turnout areas with a low short-circuit risk.
Practical track-voltage note
Follow the values recommended by the vehicle and decoder manufacturers.
Gauge TT, H0, H0e and H0m
These scales offer the widest choice of command stations. DCC is widespread on two-rail layouts. For H0 centre-conductor operation, mfx, Motorola and multi-protocol control are particularly relevant.
Suitable systems
Z21, ECoS, Intellibox, Lenz, PIKO, Märklin CS3, YaMoRC and tams.
Important for medium-sized layouts
Several trains, illuminated coaches and accessories increase the total power demand.
Practical expansion note
Plan the feedback bus and booster structure when the layout wiring is installed.
Gauge 0, Gauge 1 and Gauge G
Large locomotives, several motors, sound, smoke generators and illuminated coaches can consume considerable current. A powerful command station or separate booster districts are therefore especially important.
Suitable systems
Massoth DiMAX, PIKO G SmartControl, ESU ECoS, Märklin CS3 and powerful DCC boosters.
Important for large scales
Output current, cable cross-section, voltage drop and short-circuit protection must be coordinated.
Practical garden railway note
Install digital equipment and power supplies in a dry, ventilated and protected location.
Six steps to the right control system
Choose a digital command station systematically
A brief inventory helps prevent expensive system changes and makes later expansion considerably easier.
Define the scale
Check the required track voltage, typical current consumption and expected number of vehicles operating simultaneously.
Check existing decoders
Record whether every existing locomotive uses DCC, mfx, Motorola, Selectrix or another digital format.
Choose the operating method
Decide between a rotary controller, wireless handheld controller, touchscreen, smartphone, tablet or computer.
Estimate the power demand
Include moving locomotives, sound, smoke, interior lighting and other electrical consumers.
Plan feedback
Hidden staging yards and automatic operation require detection sections, feedback modules and a compatible software connection.
Compare expansions
Check the prices and availability of controllers, boosters, feedback modules and accessory decoders within the system family.
Avoid unsuitable system decisions
Common mistakes when purchasing a digital command station
Protocols, operating methods, bus connections and expansion options are usually more important than the highest possible output from a single track connection.
DCC is a data format. Depending on the command station, decoder and vehicle, it can also be used on centre-conductor layouts.
Similar plugs do not automatically mean compatibility. The system bus and manufacturer approval are the decisive factors.
Complex layouts are easier to wire when power and feedback districts have already been defined in the track plan.
A local wireless connection can work without internet access. What matters is the connection between the command station, router and operating device.
A correctly wired changeover prevents other vehicles from being changed unintentionally while a decoder is being programmed.
Digital technology by layout and operating concept
Digital command stations and controllers for different scales
The selection ranges from compact beginner systems to powerful multi-protocol command stations and large-scale railway control systems.
Compact control systems for Z, N, TT, H0e, H0m and small H0 layouts
Straightforward DCC systems for beginners, branch lines, shelf layouts and smaller multi-train operations.
DCC starter system
Lenz 60120 Starter Digital Set
A compact introduction to locomotives, functions and the first digitally controlled turnouts.
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Wi-Fi controller
PIKO 55821 SmartControl WLAN
A DCC base system with wireless operation for compact and medium-sized layouts.
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Compact command station
Uhlenbrock 65260 DAISY II WLAN
A DCC command station for Wi-Fi controllers, smartphones and straightforward layout operation.
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Complete set
Uhlenbrock 64360 DAISY II WLAN Set
A digital set with a wireless handheld controller for a mobile introduction to DCC.
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Open network system
YaMoRC YD7010
A networked DCC command station for apps, handheld controllers and computer control.
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Expandable DCC set
Lenz 60101 SET101
A handheld controller and powerful LZV200 for long-term layout expansion.
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Networked digital set
Roco 10834 Z21 Professional Set
A convenient DCC introduction with Z21 networking and direct handheld control.
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Wireless operation
ESU 50311 CabControl
A DCC system with an ergonomic wireless controller for unrestricted movement around the layout.
View product →Powerful command stations for H0, TT, N, Gauge 0 and extensive layouts
Multi-protocol operation, high output power, feedback, touchscreen control or comprehensive network connectivity.
Multi-protocol
ESU 50220 ECoS 2.5
A powerful command station with a touchscreen, two controllers and a 6 A output.
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Märklin system command station
Märklin 60216 CS3 plus
A comprehensive central control system with touchscreen operation and expanded connectivity.
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Touchscreen command station
Märklin 60226 CS3
Central control of locomotives, accessories, routes and graphical layout diagrams.
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LocoNet and Wi-Fi
Uhlenbrock 65300 Intellibox 3
A multi-protocol command station with controllers, colour display and extensive expansion options.
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DCC network command station
Roco 10820 Z21
A networked command station for apps, handheld controllers, feedback and automation.
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Traditional DCC
Lenz 20200 LZV200
A DCC command station with an integrated 5 A amplifier for expandable layouts.
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Modular networking
tams mc² V2-9
A flexible command station for DCC, Motorola, feedback and several layout buses.
View product →Digital systems for Gauge G, Gauge 1 and layouts with high power demands
High power reserves and mobile controllers for large vehicles, long trains and garden railway operation.
Large-scale Wi-Fi system
PIKO 35055 G SmartControl WLAN
Powerful DCC control with a wireless controller for Gauge G layouts.
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High output power
Massoth 8136501 DiMAX 1210Z
A large-scale digital command station with selectable outputs up to 12 amperes.
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Wireless controller
Massoth DiMAX Navigator
A wireless handheld controller for convenient operation around a garden railway layout.
View product →Handheld controllers and mobile operating devices for several digital systems
Additional operating positions allow several people to drive, shunt and switch accessories from different sides of the layout.
Wired controller
Märklin 60657 Mobile Station
Compact control for mfx, Motorola and DCC vehicles.
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Wireless Märklin control
Märklin 60667 Mobile Station WLAN
A mobile controller for compatible Märklin command stations and Wi-Fi components.
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Trix controller
Trix 66955 Mobile Station
A handheld controller for digitally controlling compatible Trix and DCC vehicles.
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Z21 controller
Roco 10835 Z21 multiMAUS
Wired control of locomotives, functions and digital accessories.
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Wireless Z21 control
Roco 10813 WLAN-multiMAUS
A mobile speed controller for Z21 networks without a fixed cable connection.
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LocoNet operation
Uhlenbrock 66300 DAISY II
An ergonomic handheld controller for DAISY and compatible LocoNet systems.
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Wi-Fi speed controller
Uhlenbrock 66360 DAISY II WLAN
A wireless handheld controller for DAISY WLAN and supported network command stations.
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Cross-system controller
ESU 50116 Mobile Control II
A wireless controller with a motorised control knob for supported network command stations.
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Wireless set with access point
ESU 50115 Mobile Control Pro
A mobile operating device with an access point for compatible digital command stations.
View product →
Related categories and essential information
Expand the digital layout appropriately
A command station is only the starting point. Depending on the layout concept, reliable operation may also require additional modules, decoders and feedback detectors.
Answers before choosing a system
Frequently asked questions about digital command stations
Which digital command station is suitable for beginners?
A straightforward command station with a handheld controller, programming functions and sufficient output is usually adequate for a small layout. Lenz Starter, PIKO SmartControl WLAN and Uhlenbrock DAISY II are typical beginner solutions. Make sure additional controllers, boosters and feedback modules can be added later.
Can one digital command station be used for every scale?
Many command stations can be used across different scales. Track voltage, output current and the power supply must nevertheless suit the scale. Z and N require an appropriate voltage, while Gauge 1 and Gauge G frequently require more current or additional boosters.
What is the difference between DCC and direct current?
DCC is a digital data protocol. Direct current or two-rail describes the track and power-collection system. A two-rail layout can be operated in analogue or digital form. DCC can also be used by suitable centre-conductor vehicles.
Which command station suits Märklin H0?
For a predominantly current Märklin vehicle fleet, the Central Station 3 is an obvious choice because it supports mfx and mfx+. The Mobile Station and Mobile Station WLAN offer more compact operating options. Other multi-protocol command stations may also be suitable when they support the required formats.
Can decoders and command stations from different manufacturers be combined?
In many cases, yes. A DCC decoder can be operated with many DCC command stations. mfx, Motorola, feedback systems and proprietary system buses require closer examination. Electrical specifications, functions and programming options must also be considered.
When does a model railway require a booster?
A booster is required when the power demand exceeds the command station output or when the layout needs to be divided into several separate power and short-circuit districts. Transitions between the districts must be wired correctly.
Is RailCom required for DCC?
No. DCC also works without RailCom. RailCom allows compatible decoders to return information through the track. The command station, decoder, detector and, where applicable, booster must support this function.
Can I control the layout with a smartphone or tablet?
Yes. The Roco Z21, YaMoRC YD7010 and other networked command stations provide app or browser connections. Other systems require a router, access point or additional Wi-Fi module. A local Wi-Fi connection can operate without internet access.
Do I also need a conventional handheld controller?
Not necessarily. Many layouts can be controlled entirely through an app or touchscreen. A physical rotary controller is often more convenient during shunting because speed and direction can be changed without looking at a display.
What is the purpose of a separate programming track?
Decoder addresses and other settings can be read or changed on the programming track without unintentionally programming other vehicles on the layout. The programming track must be electrically separated clearly from the normal operating area.
Technical specifications, supported protocols and compatibility should
always be checked against the current product description and the
manufacturer documentation before purchase or installation.
Expand digital technology safely, one step at a time
Discover further information about scales, current systems, wiring, decoders, layout planning, maintenance and realistic model railway operation.