
Locomotive decoders 30s series English
Page 15
Feedback with RailCom
RailCom is a log for bi-directional communication in digital model
railway layouts controlled in DCC-format. It allows e.g. the feedback of
the address and the CV values from the decoder to the digital control
unit or to special receivers (so-called detectors). The decoders must be
designed to send the RailCom messages.
When so programmed, the locomotive decoders of the 30´s series send
(continuously) the (basic, extended or consist) address to the detectors (so-
called RailCom broadcast datagramm) and transfer a CV message after a
DCC CV read-out command.
Sending RailCom messages is only possible in layouts with a DCC signal on
the rails. That is the reason why it is not possible to use the RailCom-
function in a pure Motorola environment, but only when at least one other
locomotive or function decoder on the layout is controlled in DCC format.
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