FIELD: automatics. SUBSTANCE: invention refers to large industrial plant, for example, by-product coke plant in which various parts of plant partially influence one another and have common automatic control circuit which includes automatic devices playing different functions connected over data transmission lines to control unit and to each other via it. Automatic devices are inter connected via local data transmission units for direct exchanger of data in separate, independently functioning groups in accordance with technological structure of plant. Automatic devices independently process data from plant and carry out proper control and re-arrangement of components of plant in agreement with program. EFFECT: improved reliability of automatic control. 9 cl, 1 dwg
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