用软件和硬件相结合的方法, 通过试验, 得到了PLC的编程口与PC机的通信的正确格式, 并给
出了通信实例, 做出了详尽的解释。这在实际工程应用中有非常重要的实用价值。
关键词: PLC; 微机; 串口通信
中图分类号: TP274  文献标识码: A  文章编号: 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