与西门子PLC通讯的Labview库，还不错。以下是英文声明：Warning,theattachedfilesareexperimentalVIsprovidedforeducationalpurposesonly.Nowarranteeisexpressedorimplied.YoushouldtestyourcodeandcompletelyunderstandtheimplicationsofwritingtoorreadingfromanoperatingPLC.PLCsareoftenusedtocontrolhazardousprocessesand