FIELD: physics.
SUBSTANCE: execution control method of the programmable logic controller (PLC) execution system includes: separation of the execution system into modules and their isolation, where code and data fragments that control critical objects are allocated to one module, and code fragments containing vulnerabilities - to another one; installation of a safety module on the PLC; modification of the data exchange interface of the isolated modules so that the interaction is carried out only through the security module; execution control of the PLC execution system by controlling the interaction of the isolated modules of the PLC execution system with each other and with the resources of the operating system by the security module.
EFFECT: providing control over the execution of the programmable logic controller execution system.
14 cl, 13 dwg
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