1. PC与西门子S7-200PLC串口通信 2. PC与三菱FX2N-32MRPLC串口通信-PC and Siemens S7-200PLC serial communication PC with Mitsubishi the FX2N-32MRPLC serial communication

DELPHI与西门子200PLC的串口通信实例-Communication between PC and siemens PLC S7 200 by DELPHI

PC与西门子S7-200PLC串口通信(Serial communication between PC and SIEMENS S7-200PLC)

在工业控制过程中,PLC作为下位机,PC机作为上位机,PLC与PC机之间通过串口通信传递数据具有广泛的运用.文章就采用西门子S7-200 CPU226作为下位机,研华工控机作为上位机组成控制系统,用于钕铁硼自动清洗系统.(In the process of industrial control, PLC as lower machine, PC as upper machine, transfer data through serial communication between PLC and