基于MPI协议的S7-300 PLC与单片机通信的实现

Implementation of communication between S7-300 PLC and single chip microproccesor based on MPI protocol

MPI协议在PLC之间可组态为主/主协议或主/从协议。介绍了基于MPI协议的西门子S7-300 PLC与单片机实现数据通信的应用实例及其主要设置。

The MPI agreement configuration between PLC may article introduces realization of the data communication application Simens S7-300 PLC and the single chip microproccesor. be primarily/main agreement-or main/from the agreement. This example and the main establishment based on MPI agreement