Design and Realization of Modbus Protocol Communication Between Computer and PLC-NET
WU Xuewen · Computer and Modernization · 2005
This paper introduces the technology of serial communication between the computer and PLC-NET by using MSComm in Delphi 6.0,discusses the Modbus communication protocol and the properties' setting and event's response of MSComm,and taking a multipurpose sluice project for example,explains the design method of the communication software.