3、itlePLCcontrolthetransportationoftheproductsoftheworkshopproductionlinesAbstractWiththeimprovementofautomatedproduction,thePLCapplicationsareusedintheproductioncontrolsystemincreasingly.This designrequirements tocontrol the transport of the workshop produ
4、ctionlineproducts.Becauseofthetraditional relaycontrol hasitsownshortcomings,cannotmeet the designrequirementsfully,the characteristics of thePLCarethe abilitytocontrol, precision,highreliability, complexlogic andcomputingcapacity, andmeet the needs of th