This paper designs a street lamp control system based on Schneider PLC.This system controls the street light according to the outside light and shade.In order to control accurately,three light-controlled switching circuits are designed and installed.At the same time,in order to better ensure daily use,the partition manual start and close switches are designed and installed for manual control of street lights.After the system is put into operation,it can effectively complete the automatic control of street lights,achieving the goal of saving energy and labor costs
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