FIELD: data processing.
SUBSTANCE: invention relates to the architecture of a central processing unit of an industrial controller with programmable logic. Central microprocessor (CM) is designed to perform task of application program, additional microprocessor (AM) is designed to perform exactly the same task with same input data from sensors as CM, bus controller (BC), formed in PLD, is intended for data exchange via bus, safety microcontroller (SM) to control operation of its functional core comprises control core and comparison module, which is intended for comparison of calculation results with parallel operating functional and supervising cores, SM allows BC transmission of output data to bus in case equality of processing results is met from CM and AM, and the time for performing the task CM and AM is in a given time interval, and the results of calculations of the functional and supervising cores are equal.
EFFECT: technical result is wider range of means.
1 cl, 3 dwg
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