FIELD: mechanical engineering; welding facilities. SUBSTANCE: system has several microprocessors to control operation of different units engaged in welding process. Microprocessors are connected by communication line. One of microprocessors is connected with control panel. Each microprocessor has multiposition change-over switch with number of positions corresponding to number of segments of multiple segment program of microprocessor. EFFECT: enhanced reliability of welding control system, simplified design of system and reduced cost. 7 cl, 26 dwg
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