ABB Advant Controller 450 - Page 467

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3BSE 002 415R701 Rev A A-27
Block Diagram
2AF
SB522
6%
RAM
Processor Module
Normal
5V supply
Mains
Supply
a.c. or
d.c.
2AF
SB522
6%
RAM
Processor Module
Normal
5V supply
Mains
Supply
a.c. or
d.c.
Normal Operation
Charging of Battery
Backup Operation
Discharging of Battery
L
N
X11
PE
PE
L
N
X11