1.同一项目中S7-1200与S7-300PN口之间Profinet通信,S7-1200作为I-Device,S7-300PN作为IO-Controller;2.同一项目中S7-1200与S7-300PN口之间Profinet通信,S7-1200作为IO-Controller,S7-300PN作为I-Device;3.不同项目中S7-1200与S7-300PN口之间TCP通信,S7-1200作为I-Device,S7-300PN作为IO-Controller,双方CPU都采用TIAV14SP1编程组态;4.不同项目中S7-1200与S7-300PN口之间TCP