描述
(1)網(wǎng)絡,整個監(jiān)控系統(tǒng)采用CC-link現(xiàn)場總線,可高速的將現(xiàn)場數(shù)據(jù)傳至主站進行管理。
(2)主站和從站,采用一臺三菱A系列PLC負責CC-link網(wǎng)絡的管理,以及將數(shù)據(jù)送到上位PC機進行分析和將中控室發(fā)出的指令送至現(xiàn)場從站。
(3)PC機單元,PC機將操作指令通過從站1 PLC傳送給受令執(zhí)行單元執(zhí)行操作,遠程執(zhí)行單元將工作狀態(tài)通過從站PLC傳送給PC機。PC機將車間中所有控制的工作狀態(tài)(開,關,報警)信息顯示出來供操作人員監(jiān)控。PC機接到報警和停線信息立即打印故障信息并計時。統(tǒng)計停線時間。并通過聲卡驅動音箱進行語音提示。
(4)為保證系統(tǒng)內(nèi)大量的數(shù)據(jù)傳輸,我們每一條生產(chǎn)線的參數(shù)采集和控制由一臺CC-link從站完成。所有測控參數(shù)測量值通過CC-link與從站通訊。
4結束語
眾所周知,CC-link網(wǎng)絡由于具有眾多的優(yōu)點以及眾多廠商的支持,在控制領域得到了成功應用,已得到了用戶的高度評價。尤其是與傳統(tǒng)的控制方法相比,在系統(tǒng)設計,安裝調(diào)試,維護和擴展上,具有不可比擬的優(yōu)勢。因此,在實時控制領域成功應用CC-link具有典型的意義。
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