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Technical Data
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Mains supply: 24-48 V d.c.; variation -20% to +20%; ripple < 15%
Max. power: 25 VA
6DIHW\&ODVVLILFDWLRQ Class I according to IEC 536 (earth protected)
3URWHFWLRQ5DWLQJ IP20 according to IEC 144
,QVXODWLRQ Dielectric test voltage 2.0 kV d.c. 2 sec.
(Isolation is provided by a transformer)
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The mains supply input includes a fuse 4AF (fast)
(accessible from the module front).
Module included in backup power supply system for RAM
Connectable to mains supply 24 - 48 V a.c. or d.c.
Three modes of operation: battery recharging and trickle charging
from mains supply and battery discharging
Fits NiCd battery unit SB522.
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SB511 is positioned in a controller subrack to interface with the backplane bus
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.
Mains supply is connected via a module front connector.
and the battery.
SB511 is a battery charger which works together with one single battery
package, for example, SB522. Use these two modules for current
supply of processor module RAM in the event of mains supply drop out.
The capacity expressed in time of backup depends on the application.
Please refer to the actual Advant Controller documentation.
Use two sets (SB511 and SB522) to double the backup time.
The mains supply input provides fusing and other adequate protection.
The input energy is converted and used for 5 V internal unit supply and by a
controlled current generator for battery charging.
The current generator produces a current adapted to the mode of operation:
recharging, which takes approximately 10 hours after power-up battery replacement,
or trickle charging.
During recharging, a LED FC on module front lights up.
Diagnostic functions continuously supervise the operation. Error and other statuses are
indicated by module front LEDs. The information is available on the backplane
for further processing by the system status functions.
At installation, insert the module in the subrack first. Then connect the power supply (X9)!
X9
IP
BP
FC
F
BF
F1
4AF
ABB
SB
511