2、ssion belt relay basedon PLCAbstract:Intoday'ssociety belthasbeen widelyusedinvarious industriesandfields,althoughtheapplicationof commonbut transport developmentand control zonestillremainedat averylowlevel, especiallythe transmissionand control with multitransf
3、er, thereforeneedto conveyorbelt control systemoperation statusandthedevelopmentof furtherstudy. Thispaperis basedonthePLC ofsingle conveyorcontrol ofalittle improvement, isthekeyresearchcontents andcontrolPLCforconveyorbelt. Themaingoalofthis paperis tomake a si