6ES7355-2CH00-0AE0
6ES7355-2CH00-0AE0
6ES7355-2CH00-0AE0
程序編輯器是最主要的程序編寫區(qū)域，利用工具欄按鈕還可以方便快捷的執(zhí)行常用的編程和調(diào)試操作；符號表可以為常量和存儲器地址符號名稱，提高程序的可讀性，這些符號使用于程序的全局范圍；變量表中定義的符號是對特定的POU有效的局部變量；狀態(tài)圖表可以在程序下載到PLC后用來采集信息，可以用圖表和趨勢曲線兩種形式監(jiān)控和調(diào)試程序；交叉引用標識在程序中使用的所有操作數(shù)，便于了解程序中使用的存儲器使用情況。
通過數(shù)據(jù)塊可以向微存儲器地址分配初始數(shù)據(jù)值；輸出窗口可以在編譯程序時輸出編譯信息，如程序塊和數(shù)據(jù)塊的大小、編譯錯誤等；狀態(tài)條給出了程序編輯器中的光標位置，以及S7-200 SMART PLC的連接狀態(tài)。
上世紀九十年代走向?qū)嵱没默F(xiàn)場總線操控體系,正以迅的氣勢快速開展,是現(xiàn)在世界上式的操控體系現(xiàn)場線操控體系是現(xiàn)在自動化技能中的一個熱門,正受到國內(nèi)外自動化設(shè)備制造商與用戶越來越激的關(guān)注現(xiàn)場總線操控體系的現(xiàn),將給動化領(lǐng)域帶來又一次革新,其深度和廣度將超過前史的任何一次,從而開創(chuàng)自動化的新元在有些職業(yè),FCS是由PLC開層而來的;而在另一些職業(yè),FCS是由DCS開而來的,以FCS與c及CS之間有千絲萬縷的聯(lián)系。又存在瓣本質(zhì)的差異,本就PLC、DCS、FCS三大操控體系的特色和差逐一分析,指出它們之間的淵源及開展方向
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6AV6643-0CD01-1AX1 6AV2125-2GBO3-0AX0
