| 基于CAN总线的基站式智能仪表设计 |
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| 引用本文： | 冯晗.基于CAN总线的基站式智能仪表设计[J].仪器仪表用户,2011,18(5):25-28. |
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| 作者姓名： | 冯晗 |
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| 作者单位： | 东华大学信息科学与技术学院,上海,206120 |
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| 摘 要： | 本文设计了一种基于现场总线的数字式智能仪表,实现工业现场控制对象参数的采集控制及信号传输。智能仪表以PIC16F877单片机为核心,外接CAN通讯电路、信号调理电路、键盘模块、工业显示屏及其他硬件。软件上设计了数字控制算法及量程设定、自动补偿与校正等智能化功能的代码模块。工程应用表明,该系统具有结构紧凑、运行稳定、抗干扰能力强等优点。
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| 关 键 词： | PIC16F877 CAN总线 A/D转换 温度补偿 非线性校正 |
Design of base-station-type intelligent instrument based on CAN protocol |
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| FENG Han.Design of base-station-type intelligent instrument based on CAN protocol[J].Electronic Instrumentation Customer,2011,18(5):25-28. |
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| Authors: | FENG Han |
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| Affiliation: | FENG Han (School of Information Science and Technology,Donghua University,Shanghai 206120,China) |
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| Abstract: | This paper designs a fieldbus-based digital intelligent instrument to achieve the acquisition control and signal transmission of industrial object parameters.The intelligent instrument takes PIC16F877 as the core,with CAN communication circuits,signal conditioning circuitry,the keyboard module,industrial displays and other hardware.The code module of the instrument consists of digital control algorithm,scale conversion,automatic compensation and correction function and other intelligent software module.Engi... |
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| Keywords: | PIC16F877 CAN bus A/D converter temperature compensation nonlinear correction |
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