
4
PROG/RUN
CMD/CONV
180
135
LEGACY PowerMaster Features
Program/Run
switch
Command/Conventional
switch
Transformer jack
Red indicator
Green indicator
Power Selection Switch
Slide the switch to the 135W position to set the electronic current limit to 135W when using
a 135W PowerHouse transformer. Leave the switch in the 180W position to set the electronic
current limit to 180W when using a 180W PowerHouse transformer.
A and U Power Output Terminals
Connect the A terminal to the middle rail of the track. Connect the U terminal to the outside
rail of the track.
Transformer Jack
Power input connector from transformer.
Green Indicator - Power on indicator
Light will be on during normal operations. Light will flicker to indicate weak or absent
command signal. Light will flash when setting the maximum output in CMD mode.
Red Indicator - Comm/Overload Indicator
Light will flash when receiving commands from the CAB controller or when the power limit
has been exceeded. The light will come on if the output has been shut down due to an
overload.
Program/Run Switch
Slide the switch to the PROG position to assign a unique TR or ENG ID#. Leave the switch in
the RUN position for normal operation.
Command/Conventional Switch
Slide the switch to the CMD position to use the LEGACY PowerMaster as an ON/OFF switch
to run command equipped locomotives. Leave the switch in the CONV position to run
conventional locomotives.
A U
Figure 1. PowerMaster features
Power selection switch
Power output
terminals
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