Figure 4-17. Configuration Examples Of Redundant Power Supplies - ABB Advant Controller 450 Product Manual

Advant Controller 450 Product Guide
Chapter 4 Hardware Components
Power
supply A
Power
supply B
Power
supply A
Power
supply B
4-14
Unstabilized
power supply,
or d.c./d.c.
converter
Power
switch
Power
Unstabilized
switch
power supply
or d.c./d.c.
converter
Unstabilized
power supply,
or d.c./d.c.
converter
Power
switch
Power
Unstabilized
switch
power supply
or d.c./d.c.
converter

Figure 4-17. Configuration examples of redundant power supplies

A
+24 V
+24 V
B
AC 450 subrack
Voting
unit
DSSS 171
S100 I/O subrack
24 V to connection units, modems e
+24 V A
B
+24 V
Isolated 24 V for sensors
Voltage
Regulator
SR511
Voltage
Load
Regulator
SR511
Voltage
Regulator
DSSR 170
Voltage
Load
Regulator
DSSR 170
Voltage
Regulator
DSSR 170
Voting
Load
unit
SS110
Diode
Load
unit
DSSS 170
3BSE 015 953R201 Rev B