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使用labview fpga模塊開發(fā)可編程自動化控制器------英文文獻(xiàn)翻譯.doc

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使用labview fpga模塊開發(fā)可編程自動化控制器------英文文獻(xiàn)翻譯,building programmable automation controllers with labview fpgaoverviewprogrammable automation controllers (pacs) are gaining acceptance within the industrial co...
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Building Programmable Automation Controllers with LabVIEW FPGA
Overview
Programmable Automation Controllers (PACs) are gaining acceptance within the industrial control market as the ideal solution for applications that require highly integrated analog and digital I/O, floating-point processing, and seamless connectivity to multiple processing nodes. National Instruments offers a variety of PAC solutions powered by one common software development environment, NI LabVIEW. With LabVIEW, you can build custom I/O interfaces for industrial applications using add-on software, such as the NI LabVIEW FPGA Module.
With the LabVIEW FPGA Module and reconfigurable I/O (RIO) hardware, National Instruments delivers an intuitive, accessible solution for incorporating the flexibility and customizability of FPGA technology into industrial PAC systems. You can define the logic embedded in FPGA chips across the family of RIO hardware targets without knowing low-level hardware description languages (HDLs) or board-level hardware design details, as well as quickly define hardware for ultrahigh-speed control, customized timing and synchronization, low-level signal processing, and custom I/O with analog, digital, and counters within a single device. You also can integrate your custom NI RIO hardware with image acquisition and analysis, motion control, and industrial protocols, such as CAN and RS232, to rapidly prototype and implement a complete PAC system.


綜述
工業(yè)控制上的應(yīng)用要求高度集成的模擬和數(shù)字輸入輸出、浮點運算和多重處理節(jié)點的無縫連接。因為它對這些應(yīng)用的理想解決方案,在工業(yè)控制市場上,可編程自動化控制器(PAC)正逐漸被接受。通過一種普通的軟件開發(fā)環(huán)境NI LabVIEW,國家儀器公司提供各種可編程自動化控制器的解決方案。有了LabVIEW,你可以用像NI LabVIEW FPGA模塊一樣的附加軟件為工業(yè)應(yīng)用開發(fā)自定義輸入輸出界面。
為將FPGA技術(shù)的靈活性和可定制性并入工業(yè)PAC系統(tǒng),國家儀器公司利用LabVIEW FPGA模塊和實時輸入輸出(RIO)硬件提供了一種直觀、容易理解的解決方法。無須了解低級的硬件描述語言(HDL)或廣泛的硬件設(shè)計細(xì)節(jié),你可以定義嵌入含有RIO硬件對象家族的FPGA芯片里的邏輯,也可以快速地為超高速控制、定制的定時和同步、低級的信號處理、用模擬或數(shù)字定制的輸入輸出、一個單獨設(shè)備的計數(shù)器來定義硬件。你也可以將得到的圖像、分析、運動控制、比如CAN和RS232一樣的工業(yè)協(xié)議集成到你的定制NI RIO(實時輸入輸出)硬件,這樣就可以快速地事先并標(biāo)準(zhǔn)一個完整的PAC系統(tǒng)。