基于PLC的小型测控系统的设计与实现

Design and Realization of Small Size Measurement and Control System Based on PLC

以滑片转子分选测量仪为例,来阐述由SIEMENSE公司S7-200型PLC和5.7寸TP170A触摸屏组成的小型测控系统的实现。PLC功能丰富、性能稳定,梯形图程序易学易用,触摸屏显示直观,与PLC通讯简单可靠,PLC+触摸屏组成的测控系统,开发环境简单方便、测量精度高、抗干扰能力强,完全适应于复杂的工厂环境,满足在线测控需求。本系统为长度计量仪器的开发应用提供了一种快捷有效的方法,出色的性价比是测控领域的工程技术人员设计小型测量系统的首选。

This article is an example about sliding-vane rotor sorting measuring instrument designed for a company, to tell how to design and realize the small size measure and control system by SIEMENSE company S7 - 200 PLC and 5.7 inches TP170A type of Touch Screen. PLC＇ s function is rich and performance is stable, ladder diagram program is easy to study and use, the Touch Screen displays clearly and it communicate easily. The measurement and control system comprised by PLC and Touch Screen, is simple and convenient, measurement precision, strong anti-jamming capability, completely adapted to the complex factory environment, and can satisfy the needs of measurement and control online. This system provides a kind quick and effective method in measuring length, it is the first choice for technicians to design the small measurement system in field of measurement and control.