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Additionally it is possible to use all these methods simultaneously, i.e. it is possible, to
run conventional engines and digital engines at the same time.
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Computer Command Control
This is the method supported by most of the digital systems of today. This is also the
only method supported in the first versions of TrainController In this case each engine
is equipped with an individual engine decoder and can be operated directly by
sending speed or function commands to the decoder. More details are explained in the
documentation of the digital system.
Computer Section Control
This method is also called “Computer Block Control” or “One throttle per section”. In
TrainController this kind of operation is based on the blocks of the Dispatcher.
Unlike Computer Command Control it is possible to operate conventional locomotives
with this method.
In this case all blocks, in which conventional locomotives should be able to run, must
be electrically insulated from each other. Additionally each block is electrically connected
with a specific decoder, which is mounted at a fixed position of your model railroad.
The power in each block is controlled by the associated decoder. This results in a
static assignment between each block and a stationary block decoder. To assign a block
to its own stationary block decoder you have to assign a digital address to each block -
namely the address of the connected stationary block decoder. Whenever a block is reserved
for an engine or train, then all consecutive engine commands are sent to the stationary
block decoder, which is connected to the block, instead to the engine itself.
Since several blocks can be reserved for an engine or train, TrainController sends
engine commands to all affected blocks.