| 一种ISA 总线转CAN 总线接口的实现方法 |
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| 引用本文： | 张锐,周晓华,牛德青,刘伟.一种ISA 总线转CAN 总线接口的实现方法[J].兵工自动化,2011,30(3):81-82. |
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| 作者姓名： | 张锐 周晓华 牛德青 刘伟 |
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| 作者单位： | 中国兵器工业第58研究所军品部,四川,绵阳,621000 |
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| 基金项目： | 核电站辐射监测与管理系统 |
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| 摘 要： | CAN总线在分布式控制系统中有着广泛的应用,而ISA是经典的工业控制总线,为实现两种总线间的通信,设计了一种ISA总线向CAN总线转换的接口电路。阐述其实现原理,提出完成时序匹配和转换需满足的条件,对CPLD内部逻辑进行分析,并给出ISA时序分析框架图。结果表明,该方法运行稳定、可靠,在实际应用中可下挂30个CAN节点,有一定的工程参考价值。
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| 关 键 词： | CAN ISA SJA1000 |
| 收稿时间： | 2013/1/16 0:00:00 |
An Implementation Method of ISA Bus to CAN Bus Interface Converter |
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| Zhang Rui,Zhou Xiaohua,Niu Deqing,Liu Wei.An Implementation Method of ISA Bus to CAN Bus Interface Converter[J].Ordnance Industry Automation,2011,30(3):81-82. |
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| Authors: | Zhang Rui Zhou Xiaohua Niu Deqing Liu Wei |
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| Affiliation: | Zhang Rui,Zhou Xiaohua,Niu Deqing,Liu Wei(Dept.of Armament Products,No.58 Research Institute of China Ordnance Industries,Mianyang 621000,China) |
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| Abstract: | CAN bus is widely used in distributed control system.ISA is a classic industrial control bus.In order to achieve communication between two buses,design an ISA bus interface to CAN bus conversion circuit and describe the implementation principle of matching and the proposed conversion to be completed to meet the timing conditions.After the analysis of CPLD internal logic analysis,the framework time sequence analysis diagram is given.The result shows that the method is stable and reliable.It can be linked to ... |
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| Keywords: | CAN ISA SJA1000 |
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