了邮件处理自动化的实现方法和工艺流程，对设计邮件自动化设备有一定的参考价值。利用PLC内部的指令实现邮件系统的处理技术，无需硬件的额外投资即可明显提高邮件分拣效率。关键词：西门子S7200PLCBCD拔码器邮件分局
南昌大学共青学院毕业论文设计（论文）
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南昌大学共青学院毕业论文设计（论文）
f目
录
第一章绪论1
11邮件分拣系统的国内外现状112邮件分拣系统的研究意义213邮件分拣系统的特色与优势2
第二章邮件分拣系统设计方案r