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1、定了系統(tǒng)的cAN總線應用層通信協(xié)議，實現(xiàn)了上位機對現(xiàn)場控制器的控制。本文前兩章介紹了熱網(wǎng)監(jiān)控系統(tǒng)研究的背景以及設計要求，并結合要求設計了首站監(jiān)控系統(tǒng)的整體方案。第三章介紹了熱網(wǎng)首站監(jiān)控系統(tǒng)人機界面的設計。第四章熱網(wǎng)首站監(jiān)控系統(tǒng)硬件部分首先介紹了系統(tǒng)的整體結構，然后論述各個現(xiàn)場控制器的硬件設計以及上位機cAN協(xié)議轉(zhuǎn)換卡的硬件工作原理。第五章論述了應用層協(xié)議的制定、協(xié)議轉(zhuǎn)換卡的通信軟件設計并給出了通信軟件流程。第六章，對本系統(tǒng)進行總結。熱網(wǎng)監(jiān)控系統(tǒng)中使用c州總線技術，提高了通信的可靠性、快速性，具有很好的應用前景和發(fā)展
2、方向。關鍵詞：CAN總線，人機界面，熱網(wǎng)首站，串口通信II北京交通大學碩十論文RESEf氣RCHoNCAN．BASEDHE觚INGNETWORKCHIEF．STATIoNSUPERVISoRYCONTROLSYSTEMABSTRACT’nleheatingsystemwhichisconnectedwiththeeneIgysourcesandenVironmentprotectionisanimportantdtyconstmctionitemandthecontentofthemodernconstnlctio
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8、HMIsoftwareoftheChiefstationmonitoringsystem．Thef01lrthchapterintroducesthewholearchitectureanddescribesthelV北京交通大學碩士論文hardwaredesignofthefieldcontrollerand(：ANprotocoltransfonncar
