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第四节 条件结束指令与看门狗复位指令 ········································ 169
第六章 移位类、传送类指令应用 ······················································· 179
第一节 移位类指令 ··································································· 179
第二节 传送类指令 ··································································· 190
第七章 综合控制项目 ······································································ 203
第一节 自动洗衣机控制 ····························································· 203
第二节 电梯控制 ······································································ 217
第三节 自动售货机控制 ····························································· 233
第八章 S7-200 PLC 子程序的应用 ···················································· 247
第一节 子程序基础 ··································································· 247
第二节 子程序设计与调用 ·························································· 255
第三节 子程序应用案例 ····························································· 266
参考文献······················································································· 287
