分析了采用可编程序控制器控制飞锯机的原理，给出了飞锯机控制程序框图及梯形图。
This paper analyzes the flying saw control principle by use of programmable control block and ladder diagrams.
用可编程序控制器控制钢管壁面喷砂除锈作业线，提高了自动化程度，操作方便，运行可靠。
The application of programmable controller enhances automatic grade of sand jet line of production with convenient operation and reliable performance.
用可编程序控制器控制砂处理自动线，提高了该线的自动化程度和可靠性，故障率低，维修方便。
With control of PLC on sand preparation automation line level of automation and reliability has been increased, breakdown lowered and maintenance easy.
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