基于PLC的六路抢答器设计

Design of Six Groups Rush-answer Machine Based on PLC

采用日本立石公司(OMRON)生产的可编程控制器(CPM1A),利用较少的外围元件设计了六路抢答器系统.介绍了系统硬件接线图、程序指令、梯形图以及输入输出端子的分配方案.

This paper introduces the design of six groups rush-answer machine.In this design,the prime controller is a programmable controller（PLC） produced by OMRON Corporation,Japan,and it has other peripheral components.According to the control requirement and characteristic of this rush-answer machine,the paper devises the hardware wiring diagram,programmed instruction,ladder diagram and allocation plan of input or output terminal.