Electrical computers and digital processing systems: support – Clock – pulse – or timing signal generation or analysis
Reexamination Certificate
2005-04-05
2005-04-05
Butler, Dennis M. (Department: 2115)
Electrical computers and digital processing systems: support
Clock, pulse, or timing signal generation or analysis
C700S012000
Reexamination Certificate
active
06877101
ABSTRACT:
Device (1) for controlling and/or monitoring external technical processes, in particular a device for use in connection with safety-related controls. The device includes an input functionality, an output functionality and a processing functionality that can be connected with at least one higher-level unit (5) for transfer of process-influencing and/or process-monitoring signals by way of a bus system (4) to and/or from actuators (3) and/or sensors (2) connected to the device. A guaranteed response time over the bus system (4) is determined on one hand by the cycle time of the higher-level unit (5) and on the other by the signal cycle time over the bus system (4) itself. In order to provide a shorter response time than this in appropriate circumstances, the device (1) uses the processing functionality thereof to execute logical links internally. The results are available for process control and/or process monitoring after a time interval that is shorter than the guaranteed response time of the higher-level unit (5) over bus (4).
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Barthel Herbert
Haller Georg
Schenk Andreas
Schuetz Hartmut
Butler Dennis M.
Siemens Aktiengesellschaft
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