摘要
本文通过两台PLC的I/0通讯的软件及硬件设计,解决了没有串行通讯口的PLC的通讯问题,对工厂的技术改造有一定参考价值。
This article discusses how to design the software and connect the hard-ware of I/O communication between two PLC,trying to find out a method to realize PLC communication without serial communication interface.This article may serve as reference to the industrial technology innovation.
出处
《福建建材》
2011年第5期76-77,共2页
Fujian Building Materials
