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Connection to the digital system
h)
j
g)
f)
k)
m)
n)
a)
a)
Figure 1: SwitchPilot
6.2. Power supply from the digital system
For smaller layouts with only a few devices to be switched simul-
taneously the power supply of the digital system may be used.
The screw terminals Pw A and Pw B are wired in parallel to the
terminal Trk A and Trk B.
Depending on the used solenoid devices the digital control unit
might not be able to supply enough current for a safe operati-
on. In this case an external transformer which can supply enough
current for these solenoid devices needs to be connected to the
SwitchPilot.
When using certain solenoid devices (i.e. Märklin® K track turn-
outs or PECO® motors) you should consider an external supply
of SwitchPilot).
e)
d)
c)
a)
a)
b)
Connect to track output of
a digital sytsem
Figure 2: SwitchPilot uses digital system for power supply
6.3. Separate power supply
For larger layouts with many devices controlled by SwitchPilots
and simultaneously active we recommend to utilise a separate
power supply; in this manner the power for switching the devices
is not drawn from the track and thus reduces the load on the
digital system.
Only use commercially available equipment designed for model
trains and also take note of the maximum voltage as stated in
chapter 15 in order to avoid any potential damage.
This way of connecting cannot be used for programming on the
programming track, compare chapter 7.2.1.
connect to track output
of digital system
Figure 3: seperate power supply for Switch Pilot
conneted
to trans-
former
9
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