| 《可编程控制器》课程中错误和算术标志位的理解与教学 |
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| 引用本文： | 韦寿祺,李海标. 《可编程控制器》课程中错误和算术标志位的理解与教学[J]. 企业科技与发展, 2008, 0(8): 195-196 |
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| 作者姓名： | 韦寿祺 李海标 |
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| 作者单位： | 桂林电子科技大学,广西桂林541004 |
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| 基金项目： | 广西教改修改工程“十一五”（GX06065） |
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| 摘 要： | 文章介绍了可编程控制器的功能指令执行结果影响特殊标志位的状态,在教学中通过例子讲解错误和算术标志位的含义,使学生能够深刻理解和正确使用,提高教学效果。
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| 关 键 词： | 可编程控制器 循环顺序扫描 功能指令 错误和算术标志位 |
Understanding and Teaching about the Error and Arithmetic Flag in Course of Programmable Logic Controller |
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| Wei Shou-qi,Li Hai-biao. Understanding and Teaching about the Error and Arithmetic Flag in Course of Programmable Logic Controller[J]. , 2008, 0(8): 195-196 |
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| Authors: | Wei Shou-qi Li Hai-biao |
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| Affiliation: | (Guilin Universitv of Electronic Technology, Guilin Guangxi 541004) |
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| Abstract: | The execution of the functional instruction of programmable logic controller （PLC） may affect the status of special flag （SF） or error and arithmetic flag （EAF）. In order to effectively improve the teaching effect, through some typical examples, the SF variations and their meanings are explained in considerable detail so that they can be deeply understood and correctly used by the students. |
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| Keywords: | PLC Cyclic Sequential Scanning Fnnctional Instruction Error and Arithmetic Flag |
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