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用軟件和硬件相結合的方法, 通過試驗, 得到了PLC的編程口與PC機的通信的正確格式, 并給
出了通信實例, 做出了詳盡的解釋。這在實際工程應用中有非常重要的實用價值。
關鍵詞: PLC; 微機; 串口通信
中圖分類號: TP274  文獻標識碼: A  文章編號: 1000-8829( 2006) 09-0055-03
StudyofApplicationofCommunicationBetweenPCandPLC
LIYan
li
1
, FANPan
guo
1
, XUJian
she
2
, XIHong
guo
2
(1. College ofAutomation, NorthwesternPolytechnicalUniversity, Xi an710072, China;
2. ChineseFlightTestEstablishment, Xi an710089, China)
Abstract: Combiningsoftwareandhardware, andthroughthe tes,t thecorrect format of communicationbetween
PLCprogrammingport andPCisobtained. Several examplesof communicationaregiven, andtheexglanationis
pressented. It has important value for applicationinp