Train identification has become an important aspect of computer-controlled model
railroading, particularly on DCC-operated layouts, where it is an essential
prerequisite for automated operation.
An emerging new technology, Radio-Frequency Identification, provides an
affordable, easy-to-use solution to the problem of train ID. Radio-frequency
identification (or RFID, for short) uses radio waves to transfer data from an
electronic “tag”, attached to an object, to a reader, for the purpose of
identifying and tracking the object. The RFID tag, which can be as small as a grain of rice, includes a tiny radio
transmitter and receiver. An RFID reader transmits an encoded radio signal to
interrogate the tag. The tag receives the message and responds with its
identification information. RFID can be used in many applications. A tag can be
affixed to any object to manage inventory, collect tolls, identify people, pets,
etc. But for our immediate purposes, it can also be used to indentify trains.
RFID has a number of significant advantages when applied to train
identification. All the complicated block wiring and decoder installation
required for DCC transponding are eliminated. In fact, RFID requires no
wiring at all ! Installation involves little more than placing the tag on
the train. And because it has gained such widespread acceptance in the
commerical marketplace, RFID's cost is remarkably low. RFID tags can now be
purchased for under $1.
CTI has designed an RFID reader (CTI Part #TB017) especially well-suited to model railroad
applications. Simply plug the RFID reader module into the CTI network, place an
RFID tag on your train, and you're ready to roll. CTI's software will now be able
to instantly identify any train that passes the reader. This opens up virtually
unlimited operational possibilities for any DCC or conventional layout.
Voice: (410) 404-0101
Fax: (410) 882-8393
info@cti-electronics.com
PO Box 9535 Baltimore, MD 21237
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