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Since the beginning of DCC we have been able to send information out to locomotive decoders as they run on the layout, data flows out from the command station but, up until now, it has been difficult to receive data back from the locos.  DCC is known as a one way protocol.

RailCom allows information to be sent back from the locomotive decoders - for example the address may be read in a monitored section which allows you to positively identify which loco is on that track.  Because information can travel to and from the loco decoders, RailCom is known as Bi-directional communication.

All Lenz decoders are now supplied with RailCom as standard.  (RailCom is active as part of the factory setting - it may be turned off by setting bit 4 of CV29 to 0)  RailCom is now also used by Roco Z21, ESU Ecos and Uhlenbrock MARCo (RailCom Receivers specific to Uhlenbrock LocoNet system).

The following film shows the use of the LRC120 RailCom Display to monitor occupation of a track:


RailCom is the basis of the MARCo Automation system developed by Uhlenbrock.  MARCo can organise and control complex DCC automation without the aid of a computer.  MARCo is specifically designed to work with Uhlenbrock Digital systems.

RailCom is now being incorporated into the DCC Language - Technical details may be found under the NMRA Recommended Practices RP 9.3.2.  The RPs are the full technical documentation for the DCC Standard - They contain all the information a manufacturer needs to make DCC devices so can be a bit dry for the majority of us - Thankfully I do not need to understand it all to play my part.

RailCom is registered trademark of Lenz Elektronik GmbH


ImageCodeNameDescriptionPriceQty 
15120 LRC120 Address display for loco addresses
LENZ1512015120 LRC120 Address display for loco addresses

Lenz 15120 LRC120 RailCom Address display 

This 4-digit display serves to depict the address of the locomotive located in a monitored track section. Installation is possible anywhere on the layout, for example inside a signal box.  The LRC120 can be used to monitor hidden sidings.  One useful feature is that it allows you to confirm that a locomotive decoder is correctly set up to broadcast the RailCom signal.  We have used the LRC120 with Lenz, Roco Z21 and with Uhlenbrock POWER4 generated RailCom.

£59.20


 
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