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I toured a layout the other day that could operate automatically. The gentleman who owned the layout used Hornby Zero-One, with a PLC (positive Logic Controller) set up. He had keypads scattered around the layout to program in locomotives, and he used reed switches and relays to activate turnouts and signals. 16 trains were running at the same time. Trains would run automatically after he programmed the locomtives in and hit the start button--a train would wait "in the hole," until another train passed, the signal would change color, the turnout would snap, and away the train would roll. I was impressed. Later on we discussed DCC, and another modeller said he didn't think the same thing could be done in DCC without a very expensive computer interface and many stationary decoders. Is such a layout possible in DCC, and if so, how could it be accomplished? Would it be very expensive? BTW, I looked under this layout and was amazed at how much wire he had under the benchwork--would the wiring be difficult in DCC? Gary
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