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Connection of SwitchPilot Extension
6.6. Wiring the SwitchPilot Extension
The SwitchPilot Extension module is connected by inserting it into
the multi-pin connectors on the side of the SwitchPilot; push until
the retaining clips make positive contact. The internal logic and
relays of the SwitchPilot Extension module receive power from the
SwitchPilot.
6.6.1. Relay outputs
Figure 7 to the left shows the connections.
a) Outputs 1 through 4 each offer a relay output A and B which
are switched together (DPDT, bi-stable). Each relay output cor-
responds with the transistor output of the SwitchPilot or the
servo output of the SwitchPilot Servo: If output Out A is active
(or servo setting A is reached) the terminals I and Com of the
relay output are connected. Is output Out B on the SwitchPilot
active (or servo setting B is reached) the terminals II and Com
are connected.
a)
Com
II
I
a)
Figure 7: SwitchPilot assembled with SwitchPilot Extension
12
b)
a)
a)
a)
a)
b)
a)
a)
b) Terminal with ground and voltage power (U+) DC for the use
of DC turnout motors like the Tortoise motor.
6.6.2. Wiring a motor drive
The SwitchPilot can operate motor drives for turnouts with the
help of the SwitchPilot Extension. The direction of the motor is
reversed by changing the polarity of the voltage on the motor
terminals thus changing the position of the turnout or the aspect
of a semaphore signal.
Only use motor drives with limit stop contacts to avoid overhea-
ting or a burnout of the motor. The relay outputs of the Switch-
Pilot Extension always connect the supply voltage to the load.
M
Figure 8: Wiring a motor drive with SwitchPilot Extension
A motor drive is wired as shown in figure 7. It will be energized
by the SwitchPilot.
Please take note of the permitted maximum supply voltage of your
motor drive as stated in its manual.
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