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Data transmission and processing system with reliable acquisition of critical states

  • US 20090222595A1
  • Filed: 03/03/2007
  • Published: 09/03/2009
  • Est. Priority Date: 03/15/2006
  • Status: Active Grant
First Claim
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1. Data transmission and processing system, comprising:

  • at least one input user (1);

    a control unit (4) for the reception and the processing of data of the input user (1); and

    a transmission device (3) for data between the input user (1) and the control unit (4);

    where the input user (1) makes available cyclically input data values (Z0, Z1 . . . Zx) to be retrieved and the transmission device (3) cyclically calls up the input data values (Z0, Z1 . . . Zx), which are transmitted to the control unit (4), to be sent after processing, as output data (A0, A1 . . . Ax) to at least one output user (2);

    characterized in thatparameterization means (5) with a monitoring circuit (12, 15) are provided at the input user (1), to mark input data values that characterize critical states, as critical data (FZ1), and,in the case of the presence of such critical states, only the associated critical data values (FZ1) will henceforth be made available for transfer, and transmitted until it is determined with certainty that the control unit (4) has received the critical data values (FZ1).

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