ABB Advant Controller 450 User Manual

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Additional program cards are located in program card interface MB510 as illustrated in
Figure 1-11.
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The controller system configuration and the application program is normally created in an off-
line or sometimes an on-line configuration session supported by an engineering station. The work
is basically backed up in the engineering station environment (hard disc, flexible disc or likely).
To restore a RAM which has been cleared by an accident or a fatal error some measures have to
be taken, automatically and manually. In addition to the automatic loading of the system
program, described above under the heading System Program Backup, somebody has to
manually load the application program backup (including the controller system configuration)
using an engineering station. In some applications this is a too time consuming procedure and it
needs assistance of qualified maintenance people.
As an alternative the Advant Controller 450 can be equipped with an optional flash card of
similar type as the one used for the system program. The illustration in Figure 1-11 apply.
The flash card is contained with a '8mp of $pplication 3rograms (DUAP) preferably taken
while the controller is in the operation mode. At need, the controller system configuration and
the application program is likewise automatically loaded from its flash card into the controller
RAM. No manual intervention is needed to get into operation after the interruption.
Flash cards are available in different memory-sizes. Select a type that take the actual application
program.
The system program backup and the application program backup can not be mixed in one single
program card.
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The RAM is secured against loss of power for a minimum of four hours (two hours when
redundant processor modules) by a backup power supply and battery. This is important for the
configured application program, which is basically not otherwise backed up.
If a longer backup time is desirable, you can use:
• Additional backup power supply unit SB510 and battery package (doubled backup time)
• Alternative backup power supply unit SB511 connected to a 24 V or 48 V external battery
system
• An application program backup (see heading above).
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Program card
Program card interface
(Submodule)
Submodule Carrier
MB510
SC510 or SC520
(PCMCIA)

ABB Advant Controller 450 Specifications

General

Brand	ABB
Model	Advant Controller 450
Category	Controller
Language	English