FIELD: machine building.
SUBSTANCE: here is disclosed measuring system of safety (200) used with system of process control receiving pressure of process fluid medium in system of pipelines (206). Also valve control facility (204) determines position of valve (212) governing a flow of process fluid medium via system of pipelines (206). Facility (204) receives commands to partially transfer valve (212) or in other way introduces disturbance into process. Resultant due to disturbance change (214) of measured pressure is used to assess behaviour of process.
EFFECT: reduced effects of process equipment failures.
56 cl, 8 dwg
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