Design of parallel switchable control system based on independent innovation
China continues to promote technological self-reliance and independent innovation.In the field of industrial control,discretionary security will become the main theme for a period of time in the future.Under this background,this paper puts for-ward a scheme of independent innovation capability construction of core controller of industrial control system with dual control system switching.The system selects both mainstream imported PLC products and domestic PLC products,designs and constructs a parallel switchable dual control system for the on-site acquisition of signals from various terminal equipment and switching con-trol.By comparing the functions and performance of the two sets of PLC control systems,it is verified that the scheme can en-able the domestic PLC to reach the same technical level as the imported PLC and achieve the same functions,and the system op-erates stably and reliably.This solution provides technical support for the localization of core controllers in industrial control sys-tems by gradually verifying and promoting it at low cost without disrupting existing industrial control system scenarios.
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