CAJ | 학술논문

研究了Pc机PLC的连接控制模式和人机界面监测，着重探讨了Pc组态软件LabVIEW和PLC等工业控制器标准接口的几种常见连接方式，并在应用LabVIEW共享变量和PLC标准Modbus通讯协议的基础上，提出利用共享变量的方式实现Pc和PLC的串口通讯．此方法简单、便捷、稳定性好、可操作性强、人机界面友好、阅读简单，能够满足工业监视、控制系统的需求．
연구료Pc궤PLC적련접공제모식화인궤계면감측，착중탐토료Pc조태연건LabVIEW화PLC등공업공제기표준접구적궤충상견련접방식，병재응용LabVIEW공향변량화PLC표준Modbus통신협의적기출상，제출이용공향변량적방식실현Pc화PLC적천구통신．차방법간단、편첩、은정성호、가조작성강、인궤계면우호、열독간단，능구만족공업감시、공제계통적수구．
The paper studies the model of connection control and man-machine interface monitoring of personal computer （PC） and PLC, focusing on connection mode between configuration software, LabVIEW, and standard interface of industrial controller, PLC. Besides, communication between LabVIEW and PLC based on the share variable of LabVIEW and Modbus is introduced. This technique is characterized by simple operation, high stability, and user-friendly man-machine interface, and can fulfill the requirement of industrial surveillance and control system.