1 ups control logic, Sola 4000 - pcb description – Powerware Uninterruptible Power Supply SOLA 4000 User Manual
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SOLA 4000 - PCB Description
JUE 401268
103
CPHC16 - S Front View
FIG. 1.8 illustrates the display, switches and connectors of the
CPHC16 - S PCB which are accessible from the front.
•
7 segment display for diagnostics (see table below)
•
Manual transfer to bypass pushbutton
•
RS232 connector (male)
•
RS485 connector (female)
In normal condition the display shows a red seg-
ment rotating clockwise.If more than one alarm is
present, only the one with the higher priority
is displayed.
1 UPS Control Logic
DIAGNOSTICS
Bypass
RS 232
RS 485
Priority
Indication
Diagnostics
1
8
E²PROM failure
2
F
Bypass Fuses Blown or IRE open
3
C
Phase failure
4
P
Incorrect phase rotation
5
l
l
Bypass square wave generation error
6
O
Output out of tolerance
7
L
Overload
8
4
Mains frequency out of tolerance
9
H
Mains voltage out of tolerance
10
6
Auxiliary power supply failure on the
SS/FY pcb
11
b
Bypass blocked
12
S
Bypass not synchronised
13
d
SSB failure
14
E
Bypass system not available
15
9
Missing or false bypass trip signal
16
7
EPO activated
17
U
IUG open
18
--
SSB on