本文详细介绍了一种以单片机和可编程逻辑器件为控制核心的设计方案，并分析了该方案的优缺点，同时给出了硬件和软件设计的结构及思路。
This paper introduces a design based on chip microcomputer and CPLD, analyzes its advantage and disadvantage in detail and gives the hardware-software design frame and thought.
介绍一种基于可编程逻辑控制器（PLC）和触摸屏（PT）的自动切筋沾锡机及PLC和PT的应用与设计思想，讨论该系统的结构、工作原理和软件设计。
An automatic trim and solder machine based on PLC and PT are introduced, and application and designing method of PLC and PT are presented.
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