Adaptive AlphaXpress 2020, Руководство по эксплуатации и обслуживанию

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A
LPHA
X
PRESS
2020 F
RONT
A
CCESS
F
ULL
-M
ATRIX
D
ISPLAYS
S
IGN
O
PERATION AND
M
AINTENANCE
M
ANUAL
(PN 1523610201
REV
.
B
) 2-7
Equipment Description
2
C
OMPONENTS
Power panel and power supplies
The size of the sign determines the number of power panels in the sign. Refer to the sales drawings for locations in each sign size.
There are no user connections to the power supply panels.
Item
Power
supply
label
Name Description
A
N/A POWER PANEL AC INPUT AC Power connection to the power supply plate.
B
DC POWER FAIL TERMINAL BLOCK Power fail signal to controller.
C
HI-LIMIT TEMPERATURE SENSOR Hi Limit temperature warning for controller.
D
DC SUPPLY OUTPUT
E
V- 24VDC -
F
N/A DIODE MODULE Part number 30300003LFSP. See “Diode replacement” on page 5-9.
G
V+ 24VDC + DC output.
H
DC SUPPLY OUTPUT
I
AC INPUT
J
N/A SIGNAL CONNECTOR Used for remote control, remote sense, and power good signal.
K
N/A DC VOLTAGE ADJUSTMENT Used to fine tune the DC output of power supply. Factory set for
optimal power
L
AC/L AC INPUT LINE
M
AC/N AC INPUT NEUTRAL
N
AC INPUT GROUND AC input (90-264VAC, 47-63Hz).
Power supply DC output (front view)
Power supply AC input (back view)
L M
N
F
E
G
A
B
C
K
J
D
H
I