Advant Controller 450 Product Guide
Chapter 4 Hardware Components
4-12 3BSE 015 953R201 Rev B
4.9 Power Supply System
Advant Controller 450 with S100 I/O are integrated in the same series of cabinets and share
the power supply system.
All essential functions in the power supply system are supervised and status is indicated in
the cabinet on LEDs. On an Advant Operator Workplace the status indication will also appear
on System Status Displays and faults will be reported in the System List.
The battery module SB522 powers the internal RAM memory and the real time clock in
the Advant Controller 450. The battery module SB522 is capable of backing up these circuits
for minimum 2 hours.
4.9.1 Mains Network Types
The power supply system can be connected to the following types of mains supply:
• 120/230 V a.c., 50 or 60 Hz.
• 24/48 V d.c. via a d.c./d.c. converter, providing galvanic isolation between the power line
and Advant Controller 450.
• 24 V d.c. (without d.c./d.c. converter) the mains supply must be grounded in
the Advant Controller 450 cabinet.
4.9.2 Redundancy, Mains Power Supply
The availability of the power supply system in Advant Controller 450 can be increased by
duplicating the unstabilized power supplies and by using redundant voltage regulators.
The redundancy is achieved by using two mains supplies and two SR511 voltage regulators in
parallel. Regulators and mains supplies can be replaced while the Advant Controller 450 is in
full operation.
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