1746-NI16V產(chǎn)品描述
1746-NI16V系統(tǒng)結(jié)構(gòu)與配置 羅克韋爾自動(dòng)化公司的通訊網(wǎng)絡(luò)分為三層：信息層、控制層和設(shè)備層。信息層應(yīng)用以太網(wǎng)，用于全廠的數(shù)據(jù)采集和程序維修?？刂茖討?yīng)用控制網(wǎng)、DH+、DH485、遠(yuǎn)程I/O網(wǎng)絡(luò)。設(shè)備層應(yīng)用DeviceNet網(wǎng)絡(luò)，用于底層設(shè)備的低成本、高效率信息集成。 羅克韋爾自動(dòng)化采用基于生產(chǎn)者/客戶模式的通訊技術(shù)的控制網(wǎng)，即傳送對時(shí)間有苛刻要求的控制信息，同時(shí)對其他的信息如對時(shí)間無苛求的信息也能傳送，不會影響對時(shí)間苛求信息的傳送。該控制網(wǎng)具有以下的特點(diǎn)： 連續(xù)性 傳送與梯形邏輯程序的掃描異步 以一個(gè)與用戶在I/O映象表中所設(shè)定的通訊速率相等或更快的速率傳送，保證了控制網(wǎng)中的數(shù)據(jù)準(zhǔn)確、可靠、快速的發(fā)送、傳遞、接受和處理。 總裝車間控制系統(tǒng)是一個(gè)基于DeviceNet網(wǎng)絡(luò)的現(xiàn)場總線控制系統(tǒng)?？刂葡到y(tǒng)由一個(gè)中央控制柜和四個(gè)遠(yuǎn)程控制柜組成，并與上位機(jī)和企業(yè)以太網(wǎng)相連。系統(tǒng)的最低層是設(shè)備控制層，主要完成生產(chǎn)設(shè)備的現(xiàn)場控制與監(jiān)控；控制網(wǎng)主要是通過上位機(jī)完成對全車間生產(chǎn)線的在線監(jiān)測，并向設(shè)備控制層下達(dá)控制指令；最上層是EtherNet網(wǎng)絡(luò)，EtherNet網(wǎng)絡(luò)與公司的企業(yè)資源管理（ERP）系統(tǒng)連接，向ERP系統(tǒng)提供整個(gè)車間的生產(chǎn)數(shù)據(jù)。 
3.1 中央控制室 中央控制室采用RSView32組態(tài)軟件。RSView32是高度集成、基于組件并用于監(jiān)視和控制自動(dòng)化設(shè)備和過程的人機(jī)界面監(jiān)控軟件。RSView32通過開放的技術(shù)擴(kuò)展了您的視野，達(dá)到了與其它羅克韋爾軟件產(chǎn)品、微軟產(chǎn)品以及第三方應(yīng)用程序的高度兼容。
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