4、systemhaswildlyapplicationforeground.ThispapertooktheexampleofSiemenscompany’sS7-200seriesPLC,itresearchedthepositioncontrolsystemoflanedtypeofstacker.UsingPLCascontroller, realized the result of auto control in tridimensional depository by designing hardware
5、 and software of control system. The control includes input goods, output goods, and so on.Thissystemhadafeatureofeasytooperate,automatic,highspeedandhighreliableoperation.Keywords:Stereoscopicwarehouse;PLC;Lanedtypeofstacker;Posotioningmethod18目录摘要11引言31.1自动