Feedback With Railcom - tams elektronik FD-R Extended Series Manual

FD-R Extended

4.6. 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 central
unit or to special receivers (so-called detectors). The decoders must be
designed to send the RailCom messages.
When so programmed, the FD-R Extended sends

on channel 1: continuously its (basic, extended or consist) address
(so-called RailCom broadcast datagramm) and

on channel 2: 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. It is not possible to use the RailCom-function in a pure
Motorola environment.
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