To control trains while walking atround the layout we need a mobile throttle. Several brands offer hardware throttles and as long as it has a Loconet or an Xpressnet connection it will work fine with the DR5000.
In case you do not (yet) like to invest in a hardware throttle there is an alternative: since firmware version 1.4.7 the DR5000 can connect with the free Roco / Fleischmann Z21 app on your smart-phone or tablet.
The video shows the steps needed to connect your PC and smart-phone / tablet to the WiFi router that is built in the DR5000. Once the WiFi link is established, we can enter the IP address of the DR5000 in the Z21 app settings and it should connect.
Have fun with the Z21 app connected to the DR5000.
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rudysmodelrailway 
This issue requires a longer explanation, whereby the term “turnout address” is used not only in connection with turnouts but also for signals and other magnetic articles: Unfortunately, due a weak spot in the DCC specifications, different methods of mapping turnout addresses have arisen over time. In technical terms, the “turnout address” shown to the user on the DCC control centre is first “translated” into a combination of module address and port address and then output to the track. And it is precisely this “translation process” that is not standardised.
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Posted by Alohub | October 13, 2019, 15:37I have followed your instructions for the DR5000,v1.5.5, to be used with the Z21 app on my motoG4+.
My phone says it is connected, but there is no response from the DR. I can drive from the DR ok.
My DR is new.
A friend who is very computer wise has had no luck either.
I have reloaded the firmware with no effect. Suggestions please?
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Posted by Peter Bell | September 25, 2019, 16:36Have you selected the z21 protocol in the DR wifi settings?
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Posted by RudyB | September 25, 2019, 16:53Yes. When I first loaded the software, the Z21 throttle operated but not very well. It never worked again. Is there a way to check that the WiFi in the DR5000 is functioning correctly? The Z21 says I am connected.
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Posted by Peter Bell | September 25, 2019, 21:45you can try a reset of the DR wifi module. There is a button for that on the software app. If nothing helps … best send an email to Digikeijs asking for assistance.
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Posted by RudyB | September 26, 2019, 08:38Bonjour Rudy, I have been watching all your tutorials on the DR5000 and I want to thank you for your efforts and good explanations. For the moment I run my layout with a NCE Power Cab. I like to ‘upgrade’ to a more performant system and I like this DR5000 for it’s quality and decent price tag.
Could I use the NCE throttle with the DR5000 ?( it’s included in the photo above)
And I haven’t a clou if it’s loconet or Xpressnet ?
Many thanks and greetings, Filip
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Posted by FILIP TIMMERMAN | December 13, 2018, 11:02I don’t know. Maybe there’s someone who knows when you post the question on a model rail forum?
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Posted by RudyB | December 18, 2018, 18:42Thanks for your reply Rudy. Meanwhile I did some research and it seems that the Power Cab will be active on the next update of the DR5000. Date is unknown. All the best !
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Posted by FILIP TIMMERMAN | December 18, 2018, 19:22Hi Rudy,
Will the Z21 app work with a digitrax loconet operating from the Digikeijs DR5000 or in fact any other system the DR5000 supports? And with RR&Co Train Controller?
Thanks.
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Posted by John | May 6, 2018, 16:28Without having tried it yet, I would say ‘yes’. The Z21 is a throttle, once connected via WiFi it works like any other (hardware) throttle. This Tuesday or Wednesday I might be able to test it at the club.
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Posted by RudyB | May 6, 2018, 17:39