KJ3241X1-BA1

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描述

KJ3241X1-BA1

實(shí)現(xiàn)虛擬DCS的技術(shù)關(guān)鍵,就是開發(fā)智能編譯轉(zhuǎn)換軟件和建立虛擬運(yùn)行技術(shù)平臺。智能編譯轉(zhuǎn)換軟件和算法模塊軟件,是采用通用的VisualC++6.0等工具開發(fā),能夠在開放的MicrosoftWindows平臺上運(yùn)行,這樣就能在廠級SIS、MIS和仿真系統(tǒng)連成的管理網(wǎng)絡(luò)上,應(yīng)用虛擬DCS再現(xiàn)UNIX等平臺上的DCS功能。虛擬DCS連同過程數(shù)學(xué)模型一起成為運(yùn)行分析和檢修管理人員桌面計(jì)算機(jī)隨時可調(diào)用的檢測和診斷技術(shù)工具。
虛擬DCS的軟件技術(shù)開發(fā),要求采用綜合統(tǒng)一的軟件方法處理各種真實(shí)DCS的組態(tài)信息,其實(shí)質(zhì)性工作不亞于編制幾種DCS軟件運(yùn)行系統(tǒng)軟件。實(shí)現(xiàn)虛擬DCS的具體技術(shù)手段和方法有多種多樣,各研發(fā)機(jī)構(gòu)的軟件包也不盡相同。本文作者認(rèn)為,虛擬DCS的軟件技術(shù)核心,不外乎由以下兒個組成部分:
? ? (l)DCS技術(shù)資料──由于虛擬DCS就是要對DCS迸行底層的仿真程序開發(fā),需參考完整的DCS底層技術(shù)資料,對DCS的軟硬件系統(tǒng)結(jié)構(gòu)、組態(tài)方法、算法模塊、系統(tǒng)管理、數(shù)據(jù)庫管理、文件管理和通信協(xié)議等有深人的了解,經(jīng)過DCS廠家的技術(shù)培訓(xùn),甚至獲得DCS廠家的技術(shù)支持,以解決虛擬過程中可能出現(xiàn)的問題。
? ? (2)智能掃描解釋──虛擬DCS的智能編譯轉(zhuǎn)換軟件首先對真實(shí)DCS組態(tài)或修改完成以后的下載文件代碼進(jìn)行掃插解釋,由于這些代碼沒有標(biāo)準(zhǔn)和統(tǒng)一的模式,是由各個DCS廠家自定義的各不相同的特殊形式匯編語言,所以對它們的掃描解釋需要帶有一定的智能判斷功能,同時智能地解釋和處理代碼的銜接、通信、冗余、容錯、異常、系統(tǒng)管理等特殊內(nèi)容。掃瞄解釋完成后,可建立完整的虛擬DCS組態(tài)語義庫,為統(tǒng)一的代碼轉(zhuǎn)換和輸出提供源數(shù)據(jù)。
? ? (3)代碼自動生成──虛擬DCS面臨的問題是轉(zhuǎn)換前的下載文件會來自于不同DCS系統(tǒng),轉(zhuǎn)換后的代碼要適合不同的仿真或分析計(jì)算程序要求,最好的解決方法是按掃描解釋結(jié)果建立的組態(tài)語義庫自動生成標(biāo)準(zhǔn)的和形式統(tǒng)一的VisualC++6.0程序代碼文件,然后在接口程序模塊考慮特殊處理。自動生成內(nèi)容包括數(shù)據(jù)庫定義、初始化定義、信號連接定義、算法模塊類之間例化定義、模塊組定義、接口定義等。代碼自動生成要求無人工干預(yù)、無手工修改、連續(xù)批量完成。

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主營DCS系統(tǒng)配件
機(jī)器人系統(tǒng)配件
大型伺服系統(tǒng)配件
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Triconex?Siemens?Yaskawa?ABB?GE?Ovation?AB?Foxboro?Motorola?Schneider?XYCOM?KUKA
? 專業(yè)銷售進(jìn)口DCS? PLC系統(tǒng)備件模塊 15天包退換 一年質(zhì)保 大量現(xiàn)貨? 國內(nèi)實(shí)力庫存商家

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Enlarge
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專業(yè)銷售進(jìn)口DCS? PLC系統(tǒng)備件模塊

PLC模塊,可編程控制器,CPU模塊,IO模塊,AI模塊,通訊模塊。AB/施耐德/ABB/GE/本特利/西屋/英維斯/霍尼韋爾/黑馬/FU克斯波羅

15天包退換 一年質(zhì)保 大量現(xiàn)貨? 國內(nèi)實(shí)力庫存商家


選擇深圳長欣,選擇放心,售后無憂大量現(xiàn)貨,當(dāng)天順豐發(fā)貨!
主營:本特利,英維思,伍德沃德,??怂共_、西屋、瑞恩、施耐德莫迪康、ABB、AB、西門子、摩托羅拉、GE發(fā)那科、安川、博世力士樂,ACSO,力士樂等各大品牌的DCS系統(tǒng)配件,機(jī)器人系統(tǒng)配件,大型伺服系統(tǒng)備件。

先介紹幾點(diǎn)經(jīng)驗(yàn)。
1、先通讀一遍“系統(tǒng)手冊”(不管能不能看懂,先了解個大概,以便學(xué)習(xí)編程時查找);
2、由位控邏輯入手,逐漸增加定時、計(jì)數(shù)等條件,把或、與、非關(guān)系理順;
3、進(jìn)而練習(xí)整數(shù)運(yùn)算、實(shí)數(shù)運(yùn)算、類型轉(zhuǎn)換;
4、量程轉(zhuǎn)換、PID調(diào)節(jié)回路的建立及P、I、D參數(shù)的理解(最好是有個物理回路驗(yàn)證,比如變頻器+電機(jī)+測速傳感器);
5、循環(huán)、順序、跳轉(zhuǎn)等程序控制(盡量避免跳轉(zhuǎn),非跳不可時也是跳的越近越好);
6、中斷、通訊、位置控制....

本人以ABB工業(yè)機(jī)器人配件DSQC系列和Motorola MVME系列,GE 卡件 模塊 驅(qū)動器系列為主攻。各位電工朋友可根據(jù)自己的條件選擇適合自己的PLC品牌,由于PLC的基本框架大同小異,學(xué)會一種至于其它的學(xué)習(xí)起來也就簡單了。