Bus module for connection to a bus system and use of such a...

Details Bus module for connection to a bus system and use of such a... Bus module for connection to a bus system and use of such a...

2006-11-17

2010-11-30

Beausoliel, Robert (Department: 2113)

Error detection/correction and fault detection/recovery

Data processing system error or fault handling

Reliability and availability

Reexamination Certificate

active

07844865

ABSTRACT:
Disclosed is a bus module that can be connected to a bus system and comprises means for outputting safety-relevant signals in the form of repeated unambiguous code sequences. The bus module further comprises a first and second arithmetic unit with means for executing software programs. A code generator program of the first arithmetic unit generates a first partial code sequence of the code sequence while a code generator program of the second arithmetic unit generates the remaining portion of the code sequence as a second partial code sequence. Advantageously, a proper code sequence is output at the output of the bus module only when both arithmetic units function properly. A deviation in the code sequence that is output can then be detected by a monitor or actuator.

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