Installation and Programming Instructions
8
Model 331105 SMC5 SignalMaster Controller
NOTE:
With the six-head SignalMaster lightbar, the white and blue wires are not needed and can be cut
even with the cable sheath.
2.
For split SignalMasters where three- or four-head assemblies make up a full six- or eight-head
SignalMaster assembly, connect the wires to the terminal blocks in order from left to right. The output
labeled BLUE on the controller is for the rightmost lamp, and the one labeled WHITE is for the leftmost
lamp. For an example of the connection of two four-head SignalMasters to the controller, see Figure 4.
3.
When all electrical connections are completed, insert a 20 A fuse into the fuse holder in the SignalMaster red
power wire.
4.
Connect any optional auxiliary warning heads to the auxiliary circuits. The controller will provide
a ground for the heads when they are to flash. Therefore, the positive side of the heads should be
connected to a positive voltage source and protected with a fuse.
Figure 4
Connections for two four-head SignalMasters to the controller
BROWN
FIVE-CONDUCTOR
CABLE FROM RIGHT
SIGNALMASTER
20 A
+ BAT
JOIN THE RED POWER
WIRES FROM
SIGNALMASTERS.
USE 14 AWG WIRE
FOR HOOKUP.
FIVE-CONDUCTOR
CABLE FROM LEFT
SIGNALMASTER
BROWN
GREEN
WHITE
BROWN
GREEN
WHITE
BLACK
GREEN
ORANGE
VIOLET
GRAY
YELLOW
BLUE
WHITE
COLORS
INDICATED ON
SMC LABEL
COLORS OF
FIVE-CONDUCTOR
CABLE
BLACK
290A5694B
5.
The AUX IN can be used as an input to activate the warning pattern when an external input is available
provided that a directional signal is not currently activated by the slide switch.
When the slide switch is activated, it overrides the auxiliary input (warning signal) and provides the
selected directional signal instead.
When the slide switch is returned to the off position, the warning pattern resumes if the signal at the
auxiliary input is still active. Connect the external controller in a manner to apply a positive 12-24 Vdc
or ground. This particular input can be switched with either high-side or low-side activation provided
that the off state is an open circuit.
