LZV100 Command/Power Station 7
4 System architecture of your DIGITAL plus
system
The LZV100 is the central hub in your NMRA DCC DIGITAL plus
system. DIGITAL plus is a digital multi-train control system for all
model railroad scales developed in close cooperation with model
railroaders worldwide. Figure 1 shows the simple and clear
system design of DIGITAL plus.
DIGITAL plus is compatible with NMRA-DCC systems and their
locomotive and accessory decoders. It is also compatible with all
XpressNet certified handhelds or other system devices. If you
have an older NMRA DCC system, you can use this older system
as a handheld using the Translation Module LC100.
The capabilities of DIGITAL plus are to a large extent determined
by a program running inside the unit, the software. Version 3 is
our 4
th
major system release.
) The advantage of this approach is that new
functions can be adopted simply by changing the software. It
is not necessary to purchase new units. This way it is easier
to implement suggestions for improvements from model
railroaders.
Digital plus is designed with a non-proprietary open architecture.
Each device in this distributed architecture contains the
intelligence necessary to provide support to the external device it
is supporting. This distributed architecture provides exceptional
performance and allows us to add new capabilities without
impacting existing devices.
• XpressNet Communication Network
The heart of the Digital plus communication architecture is the
high speed state of the art network called XpressNet. XpressNet
is a distributed multi-tier network based on the worldwide RS485
standard. Each device on XpressNet contains a dedicated
microprocessor that is responsible for providing its own unique
user interface capabilities. This allows any certified XpressNet
device manufactured by any one of a number of manufacturers to
used with your Digital plus system.
XpressNet provides the peer to peer data exchange between
each input device and from each input device to the DCC signal
generator contained in the command station. The XpressNet
network consists of a 4 wire twisted pair connection. XpressNet
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