【摘要】：本課題是基于工業(yè)以太網(wǎng)EPA通信協(xié)議來(lái)設(shè)計(jì)實(shí)現(xiàn)一個(gè)工業(yè)控制器。 近年來(lái),隨著國(guó)家有關(guān)部門(mén)的大力支持和投入,我國(guó)工業(yè)自動(dòng)化技術(shù)得到了蓬勃的發(fā)展。通常一個(gè)綜合自動(dòng)化網(wǎng)絡(luò)平臺(tái)應(yīng)該包括工業(yè)現(xiàn)場(chǎng)設(shè)備層、控制層、管理層等層次,目前很多企業(yè)需要建立以工業(yè)網(wǎng)絡(luò)技術(shù)為基礎(chǔ)的企業(yè)信息化系統(tǒng)。當(dāng)前EPA實(shí)時(shí)工業(yè)以太網(wǎng)作為我國(guó)第一個(gè)擁有自主知識(shí)產(chǎn)權(quán)的現(xiàn)場(chǎng)總線國(guó)家標(biāo)準(zhǔn),在國(guó)內(nèi)EPA實(shí)時(shí)工業(yè)以太網(wǎng)通信協(xié)議得到了快速的發(fā)展,因此基于EPA實(shí)時(shí)工業(yè)以太網(wǎng)通信協(xié)議的現(xiàn)場(chǎng)控制器的設(shè)計(jì)也是亟需完成研發(fā)。EPA現(xiàn)場(chǎng)控制設(shè)備的核心是基于EPA的現(xiàn)場(chǎng)控制器設(shè)計(jì),為此,設(shè)計(jì)一款基于EPA的工業(yè)控制器可以很好的滿足工業(yè)控制要求,實(shí)現(xiàn)綜合自動(dòng)化網(wǎng)絡(luò)管理,既可以提供獨(dú)立的控制功能,還可以通過(guò)網(wǎng)絡(luò)互連形成現(xiàn)場(chǎng)總線控制系統(tǒng),對(duì)EPA實(shí)時(shí)工業(yè)以太網(wǎng)的發(fā)展有著及其重大的影響。 本課題設(shè)計(jì)的基于EPA通信協(xié)議棧的工業(yè)控制器作為現(xiàn)場(chǎng)控制級(jí)的裝置,具有工業(yè)級(jí)信號(hào)的輸入輸出接口,能夠與多種的現(xiàn)場(chǎng)級(jí)工業(yè)設(shè)備相連接,還可以監(jiān)測(cè)和控制現(xiàn)場(chǎng)級(jí)的工業(yè)設(shè)備以及與其它智能控制器和上位機(jī)的網(wǎng)絡(luò)通信等功能。在本課題中詳細(xì)的介紹了基于EPA的工業(yè)控制器的硬件解決方案,包括核心處理器的最小系統(tǒng)、以太網(wǎng)控制器電路、存儲(chǔ)器擴(kuò)展電路以及工業(yè)信號(hào)量電平轉(zhuǎn)換電路,并且給出了各個(gè)子電路的詳細(xì)電路原理圖；此外在軟件設(shè)計(jì)方面也給出了本課題設(shè)計(jì)的工業(yè)控制器的軟件流程圖和部分關(guān)鍵代碼；最后本文針對(duì)控制器的調(diào)試部分也進(jìn)行了一定的介紹。
[Abstract]:This topic is based on the industrial Ethernet EPA communication protocol to design and implement an industrial controller. In recent years, with the support and investment of the relevant departments of our country, the industrial automation technology of our country has got the vigorous development. Usually, an integrated automation network platform should include industrial field equipment layer, control layer, management level, and so on. At present, many enterprises need to establish enterprise information system based on industrial network technology. At present, EPA real-time industrial Ethernet, as the first national standard of field bus with independent intellectual property rights, has been developed rapidly in EPA real-time industrial Ethernet communication protocol in China. Therefore, the design of field controller based on EPA real-time industrial Ethernet communication protocol is also urgent to complete the research and development. The core of EPA field control equipment is the design of field controller based on EPA. The design of an industrial controller based on EPA can well meet the requirements of industrial control and realize integrated automation network management. It can not only provide independent control functions, but also form a fieldbus control system through network interconnection. It has great influence on the development of EPA real-time industrial Ethernet. The industrial controller based on EPA communication protocol stack is a device of field control level, which has the input and output interface of industrial signal, and can be connected with a variety of field-level industrial equipment. It can also monitor and control industrial equipment at the field level and network communication with other intelligent controllers and PC. In this paper, the hardware solution of industrial controller based on EPA is introduced in detail, including the minimum system of core processor, Ethernet controller circuit, memory expansion circuit and industrial semaphore level conversion circuit. The detailed circuit schematic diagram of each sub-circuit is given. In addition, the software flow chart and some key codes of the industrial controller designed in this paper are also given in the aspect of software design. Finally, the debugging part of the controller is also introduced.
【學(xué)位授予單位】：大連交通大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2013
【分類號(hào)】：TP273

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