摘要
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
出处
《微型机与应用》
2011年第17期83-84,87,共3页
Microcomputer & Its Applications