Error detection/correction and fault detection/recovery – Data processing system error or fault handling – Reliability and availability
Reexamination Certificate
2010-03-23
2011-10-25
Beausoliel, Jr., Robert (Department: 2113)
Error detection/correction and fault detection/recovery
Data processing system error or fault handling
Reliability and availability
C710S008000, C710S301000, C714S004500, C714S006300
Reexamination Certificate
active
08046640
ABSTRACT:
An industrial automation system for controlling the operating means of a technical process. The system includes fail-safe modules for interchanging process data with the operating means, i.e., actuating and measurement signals, stations having slots for modules, which slots are inter-connected by a backplane bus, a central processing unit at least for processing process signals from the technical process, and a field bus for transmitting data between the central processing unit and the stations. In accordance with the invention, the address relationship for the addressing of a fail-safe module by the central processing unit over the field bus for data processing purposes is permanently stored in a first memory in the respective module and is additionally permanently backed-up in the associated station. As a result, it is advantageously possible to safely and automatically recover the address relationships of fail-safe modules due to address relationships which have already been recognized as valid, such as during planning, being backed-up in a permanent, power-failure-safe manner at the station level. In addition, it is possible, when a module is exchanged, for a new module to reload the correct address relationships of the old module, which is no longer present, from the back-up means in the station.
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Barthel Herbert
List Richard
Maier Mario
Maier Martin
Schenk Andreas
Beausoliel, Jr. Robert
Cozen O'Connor
Lottich Joshua P
Siemens AG
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