TSX07312422
詢價QQ;1093230189
TSX07312422
系統(tǒng)的整體設(shè)計 本系統(tǒng)共分為建立現(xiàn)場生產(chǎn)數(shù)據(jù)采集、組建實時數(shù)據(jù)庫和編輯客戶端數(shù)據(jù)瀏覽畫面三個部分?,F(xiàn)場生產(chǎn)數(shù)據(jù)采集就是在現(xiàn)場生產(chǎn)線上加硬件PLC設(shè)備,從貼標(biāo)簽和吹瓶信號傳感器中把電壓信號引入到PLC中,然后利用PLC的高速計數(shù)器進(jìn)行計數(shù),然后利用PLC的以太網(wǎng)接口傳給實時數(shù)據(jù)庫服務(wù)器,從而獲取流水線的實時生產(chǎn)數(shù)據(jù)。實時數(shù)據(jù)庫檢測、存儲、統(tǒng)計、分發(fā)的數(shù)據(jù)點即可以由數(shù)據(jù)庫組態(tài)工具組建也可以通過數(shù)據(jù)表在線組建。同時實時數(shù)據(jù)庫服務(wù)器還能從ERP系統(tǒng)中把管理信息采出來并和生產(chǎn)數(shù)據(jù)同步發(fā)布到管理網(wǎng)上,在客戶端通過WINDOWS IE瀏覽器可以實現(xiàn)對生產(chǎn)數(shù)據(jù)的動態(tài)瀏覽。系統(tǒng)網(wǎng)絡(luò)圖和數(shù)據(jù)流圖如下所示:
⒊ 數(shù)據(jù)采集接口的建立 為了充分利用現(xiàn)有的軟、硬件資源,使設(shè)計方案具有可行性和良好性能價格比,我們對與本項目相關(guān)車間生產(chǎn)線的控制系統(tǒng)及數(shù)據(jù)服務(wù)接口情況進(jìn)行初步調(diào)研,各生產(chǎn)線情況是:貼標(biāo)簽生產(chǎn)線由于采用整套的控制系統(tǒng),和生產(chǎn)廠家進(jìn)行聯(lián)系后得知這種控制系統(tǒng)在出廠時沒有預(yù)留通訊接口。
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