42 Information SET-02
14.2 More power through more power stations
As with conventionally operated systems and layouts, a sufficient
supply of electricity to the system is a precondition for the sure and
safe functioning of the Digital plus by Lenz ® systems.
Locomotives, coach lights, points, signals etc. receive their power
and control information from the power station.
The power consumption of your model railway system consists of:
Running locomotives Depending on size and attached load, the power
consumption varies extremely. A small, single LGB-
locomotive with one motor can make do with approx.
1.5A of current; a large one with two motors (e.g.
Crocodile) reaches peak currents of 4-5A. The maximum
current consumption of the motors of locomotives is
decisive in the selection of the right decoders! Therefore
it is necessary that you measure the current-
consumption or that you ask the producer of the
locomotive for information.
Standing locomotives approx. 2.5 mA, this is the idle current consumption of
the decoder.
illuminated locomotives each bulb approx. 50 mA.
illuminated coaches each bulb approx. 50 mA.
In the area supplied by a LV200, the current consumption of all
locomotives running in this area at the same time (plus the current
consumption of the lights of the coaches) must not exceed the
maximum current that can be delivered by the LV200.
If the total current consumption of all the locomotives, coaches,
signals etc connected to the LV200 exceeds the current that can be
delivered by the LV200, the protective system will be activated: the
voltage on the tracks will be switched off and the LED will shine red.
If the performance of one LV200 is not sufficient for the system then
divide the layout into several supply areas. Further LV200s can then
be used to supply these areas with current.
Further LV200s can supply each additional power district with a
current of approx. 10 amps each.
14.2.1 Connecting additional LV200s to Set-02
Connect terminals C,D and E of the first LV200 with terminals C,D
and E of the next LV200. Feed each LV200 with its own
transformer.
Isolate both rails of the track at the junction of the single supply
areas and make sure the polarity is the same.
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