The article introduces the principle of the new LED automatic encapsulation equipment's infuse jelly system and automatic control by applying PLC and position control units.

主要介绍了一种新型发光二极管（LED）自动封装机注胶系统的工作原理以及应用可编程控制器（PLC）和位控单元对其进行自动化的控制。

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Slave computers have data detection and control function with the help of the data capture and control interfaces which are composed of all kinds of position switches, sensors and execution units.

以各种位置开关、传感器和执行元件为电站的数据采集和控制的接口，下位机具有数据检测和控制功能。

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