摘要
以施耐德MODICON QUANTUM 140 DDO 35310和140 DDM390 00系列PLC I/O模板作为数码管驱动显示和拨码盘输入数据的接口模板作为案例,论述基于PLC的数码管/拨码盘简易廉价人机界面接口设计。
During the transformation of MODICON PLC , QUANTUM 140 DDO 35310 and 140 DDM390 00series I/O templates are accordingly used as driving display and input/ output data. This paper mainly deals with the above-mentioned templates about the basic principles of data display and input/output driving and the design idea of driver with brief summarization.