型材挤压生产线上位机与PLC直接通讯程序的设计

Design of Direct Communication program between Upper computer and PLC in Profiling Extrusionlime

结合型材挤压生产过程控制系统,介绍了上位计算机与富士NB系列可编程控制器之间直接通讯程序的设计。此通讯程序具有设计简单、通用性强、可移植性强等特点,完全能满足生产实际的需要。

This paper introduces the design of direct communication program between the upper computer and the FUJI NB PLC in profiling extrusion process control system. The communication program has the features of easy design and high generality. It can meet the practical needs.