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Z21 Plug & Play System


Fleischmann/Roco developed an innovative DCC control system, the Z21, with the goal of providing a Fun and completely new way of playing, operating and managing models and layouts.


The Z21 is a complete plug and play system and consists of:

  • the coordinating operation control (available in two versions at Fleischmann and Roco)
  • the Z21 mobile application for the operation of all set components (available as a free download)
  • the continuously expanding number of apps for driver cabs (available as a download)

The Z21 is designed to work with the latest in technology:

  • Android and Apple systems (Tablet-PC, Smartphone)
  • digital DC- and AC locomotives

Modes of operation:



The Z21 control center connects your model train set and your digital locomotives with your smartphone or tablet PC and the Z21 app that you have installed via the wireless network WLAN. This way you can operate your layout simply and comfortable from every Android or Apple smartphone or tablet PC with the Z21 app. You can choose from a basic operation mode or the true to the original and detailed driver cabs.



With the Z21- App you can operate and manage your entire model railway layout via an intuitively understandable graphic touch screen. The app can be downloaded simply and for free at Google Play or at the Apple app store.




Driver’s cabs for the Tablet-PC: Furthermore you can operate your locomotives with photo realistic driver’s cabs on your tablet PC. These are also available as downloads.

System Compatibility:

  • X-BUS : Lenz, Lokmaus
  • Loconet: Digitrax
  • CAN Bus :  ZIMO


Protocol:   z21_lan_protokoll-v1-05


To Connect the Z21 to Loconet:



To connect to X-BUS:z21_xbus



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