描述
AS-BADU-256
一套完整的監(jiān)控系統(tǒng),需要許多組件的構(gòu)成,以制程設(shè)備監(jiān)控系統(tǒng)為例,制程設(shè)備上要有感測(cè)及制動(dòng)裝置,并將數(shù)據(jù)轉(zhuǎn)換及傳送到控系統(tǒng),控制系統(tǒng)至少要具備顯示、記錄、調(diào)節(jié)及致動(dòng)等功能,由操作人員根據(jù)前臺(tái)后傳的數(shù)據(jù)進(jìn)行處理。因此所有的數(shù)據(jù)在送到后臺(tái)時(shí),一定要妥善處理,如有70%的警告可能只是誤報(bào),監(jiān)控系統(tǒng)要有能力做判斷。
除了前述的系統(tǒng)平臺(tái)外,硬件架構(gòu)也需要妥善考慮,才能建構(gòu)出智能工廠(chǎng)。首先是聯(lián)機(jī)的基本需求,通信協(xié)議應(yīng)該要盡量選擇市場(chǎng)現(xiàn)有的,盡量減少自行開(kāi)發(fā),以免設(shè)備之間的聯(lián)機(jī)產(chǎn)生問(wèn)題。
其次是選擇儀控設(shè)施,目前的儀控設(shè)施接口,非常多樣化,除了有目前盛行的Ethernet外,過(guò)去的RS232/422/485仍然還是有在使用。其實(shí)智能工廠(chǎng)也不一定非Ethernet不用,因?yàn)榭紤]建置成本,過(guò)去的投資不一定要舍棄,但不同的儀控設(shè)施接口,會(huì)影響通信線(xiàn)路的配置,包括設(shè)備、距離、速度及成本等,工廠(chǎng)在導(dǎo)入解決方案時(shí),要做好取舍規(guī)劃。
而在計(jì)算機(jī)設(shè)備的選用方面,包括聯(lián)機(jī)計(jì)算機(jī)數(shù)量與配置、工作環(huán)境、計(jì)算機(jī)規(guī)格及外圍裝置,都要做好充分考慮。專(zhuān)家認(rèn)為,選用的關(guān)鍵完全取決于系統(tǒng)的承受度,該用服務(wù)器就得用服務(wù)器,不要因?yàn)楣?jié)省采購(gòu)成本,而選擇較為便宜的計(jì)算機(jī)設(shè)備,因?yàn)橐坏┻x擇錯(cuò)誤,導(dǎo)致設(shè)備常常故障或當(dāng)機(jī),維護(hù)成本未必劃算。
至于監(jiān)控網(wǎng)絡(luò)架構(gòu)的考慮方面,要考慮的項(xiàng)目包括工作站的任務(wù)分配、網(wǎng)絡(luò)架構(gòu)規(guī)劃、網(wǎng)絡(luò)流量控制及網(wǎng)絡(luò)安全考慮。在架構(gòu)規(guī)劃時(shí),可以依照控制責(zé)任區(qū)分、人機(jī)接口規(guī)劃及網(wǎng)絡(luò)功能配合等方向來(lái)考慮。
以控制責(zé)任為例,可以分為控制器及圖控計(jì)算機(jī),前者重視的是實(shí)時(shí)性、高可靠性,適用低階邏輯性/模擬性之控制,后者則是要求強(qiáng)大的數(shù)據(jù)處理能力,適用高階控制。至于每一個(gè)交換器要裝幾個(gè)控制器,則是取決于對(duì)于速度的要求。
人機(jī)界面規(guī)劃方面,一定要導(dǎo)入人因工程的觀(guān)念,不管是使用習(xí)慣或是圖形大小,都能符合使用習(xí)慣及現(xiàn)場(chǎng)狀況,如旋鈕的方向、大小及顏色等,要達(dá)到直覺(jué)、簡(jiǎn)易、防誤等要求,其他項(xiàng)目如操作流程、展示方式及安全管制,也都要以符合使用者習(xí)慣為主要考慮。
至于網(wǎng)絡(luò)功能方面的配合,建議應(yīng)配合已普遍使用的Windows內(nèi)建網(wǎng)絡(luò)功能,并采用高效率的TCP/IP層對(duì)層通訊方式,讓多部計(jì)算機(jī)互相監(jiān)看及控制,以達(dá)到資源共享及互相備份的目的。
產(chǎn)品承諾:
保?證?全新原裝進(jìn)口,
保?證?安全準(zhǔn)時(shí)發(fā)貨,
保?證售后服務(wù)質(zhì)量,
優(yōu)勢(shì)價(jià)格,大量現(xiàn)貨。
主營(yíng)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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