ABB Advant Controller 450 User Manual

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Most of the replaceable hardware modules are equipped with LED indicators.
A green LED indicates running.
A red LED indicates fault.
Some modules provide additional yellow LEDs for increased maintainability, for example send
and receive information on communication modules.
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Diagnostics information is available in the data base and in PC elements, which means it is
possible to build up, for example, different control strategies with respect to the status of
relevant functions and hardware modules. It is also possible to arrange external fault
announcement of internal controller disturbances and faults.
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If the controller is included in a control network with a central operator station such as Advant
Station 500 Series Operator Station or MasterView 800/1, the following facilities apply.
• System messages:
– Give information about probable cause of malfunction in coded form or plain
language.
• System status displays showing fatal or non-fatal errors in:
– Controller total function
– Redundant functions
– Processor module
– Power supply
– Auxiliary functions like fans, and so on.
– Communication
– Connected terminals and printer
– Process I/O boards and units.
Most of this information is also available with a connected engineering station, but the
engineering station is not arranged to suit an operator.
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• Time supervision of operations
• Continuous parity check of RAM
– One-bit errors are corrected automatically
– Two-bit errors results in safety shut-down.
• Total check of RAM during start-up
• Supervision of checksums on program card
• Supervision of bus error.

ABB Advant Controller 450 Specifications

General

Brand	ABB
Model	Advant Controller 450
Category	Controller
Language	English