FIELD: industrial automation.
SUBSTANCE: invention relates to control systems for industrial automation based on programmable controllers. The technical result of the proposed technical solution is achieved by the fact that processor modules and input-output modules are used as redundant components, redundant communication lines between them are made in the form of two independent CAN data transmission buses, and the outputs of redundant power supplies are connected to the power supply circuits of the redundant components through diode isolation.
EFFECT: invention ensures fault tolerance of the control system for industrial automation.
1 cl, 3 dwg
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