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To 2 wire switch motor.
Pins 15 and 16 are the output signals for 2 wire and
slow motion switch machines which inverse the voltage polarity.
These terminals provide power to directly throw switch turnouts.
Up to 4 AMPS of power is available to throw up to 4 LGB style turnouts simultaneously if wired in parallel.
A pulsed DC output of 0.6 seconds is provided to drive the turnouts.
The output voltage is pure DC and is not half wave rectified AC. This provides maximum power output to the turnout.
For slow motion switch machines the power is continuous and changes polarity. (Tortoise, Aristocraft, or
pneumatic Ea-Ze Air)
Program the YardMaster for slow motion turnouts.
The output voltage level is directly proportional to the input voltage. For example, a 12VAC input will
provide approximately 16VDC turnout voltage, etc. If a short circuit condition is present on these terminals
the YardMaster will blink the BLUE LEDs when energized. After a delay the YardMaster will attempt to resume.
Connecting to Electric Switch machines (turnouts)
RRConcepts.com
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To control 3 wire switch machines use the Auxiliary relay module us used as shown below. This provides
reliable switching of any voltage necessary for the turnout. Some 3-wire turnouts have excessive voltage and
current requirements which the Auxiliary relay can handle. A very quick burst of voltage is given to the switch motor
which prevents overheating and operates without the need for capacitive discharge units
.
3 wire switch machines.
To Turnout voltage source required
for switch motor: AC, DC, etc.
Peco PL-11 shown
3 Wire Switch Hookup
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