E
QUIPMENT
I
NSIDE
VIEW
AlphaXpress 8731 Sign Installation and Maintenance Manual (pn 1508610601 rev. A)
25
Controller plate for 27 x 126 signs
Figure 22.
Typical view of controller plate used for 27x126 signs.
Item
Name
Part #
Description
A
CONTROLLER #1
15029101
• In two controller sign configurations - controls display and communicates status
information to central communications.
• With three controller sign configurations - Item B (12069003) controls display and
communicates status information to central communications.
B
CONTROLLER #2
12069003
Auxiliary controller for extra input/output.
C
AC TERMINAL BLOCK
43201047
Two 8-position terminal blocks for incoming AC power wiring.
D
120/240VAC SURGE
ARRESTOR
30352001
Transient voltage suppression.
E
30A BREAKERS
48100013
Two 30Amp breakers are used for 27x126 signs.
F
AC TO SIGN
43201051
Distributes power to the sign (12-position terminal block).
G
120V OUTLET
1507500101
Service outlet (GFCI).
H
COMM OPTION LOCATION N/A
Communication option location.
I
I/O COM TERMINAL BLOCK 43201054
I/O for controller connections (e.g., power fail signals, power for controllers, light sensor
power, etc.).
A
B
C
E
F
G
H
I
D