?CPS11D-7AA21
CPS11D-7AA21
我們的產(chǎn)品均提供一年質(zhì)保,15天有任何質(zhì)量問題包退換,做到讓您放心的購買,安心的使用,誠信經(jīng)營理念.
當前制造業(yè)全球化趨勢加劇,PLC的制造也并非勞動密集型,歐美日等國的PLC產(chǎn)品原料制作成本在降低,因此在價格方面,國產(chǎn)PLC并沒有多大優(yōu)勢。在這樣的形勢下,如果還是采取價格競爭的話,可能整個PLC產(chǎn)業(yè)都會失去投資價值,產(chǎn)品的配套服務(wù)也會受到嚴峻的影響,這對用戶來說可能是一場災難。
PLC之所以能夠在眾多的IT產(chǎn)品競爭中長盛不衰,主要還是因為其可靠的穩(wěn)定性。國內(nèi)制造商們在追求成本的同時,也要保持品質(zhì)的優(yōu)良和穩(wěn)定性這兩個基本條件,除此以外,大陸PLC制造商需要做的還有很多。
同時,嵌入式PLC的硬件、軟件、人機界面、通信等各方面的功能設(shè)計靈活,易于剪裁,更貼近各種檔次的機電設(shè)備的要求。嵌入式PLC完全基于嵌入式系統(tǒng)的技術(shù)基礎(chǔ),拿來就可用。SoC芯片、嵌入式操作系統(tǒng)與符合IEC 61131-3編程語言標準的編程環(huán)境等優(yōu)勢,使得其在市場上很容易找到。
有業(yè)內(nèi)人士在談到價值時表示,PAC的所有部件均按軟件和硬件集成最靈活、最方便、成本最低為出發(fā)點,因此它是跨
機械自動化、電氣自動化、儀表自動化、計算機等專業(yè)的。這些特點使最終用戶獲得以下收益:設(shè)備的生命周期成本較低,資產(chǎn)的投資回報率提高,資產(chǎn)所有者總成本下降。
其實,PAC并不是一個新鮮事物。早在20世紀90年代,PAC的概念就已經(jīng)被提出,而十多年前,國內(nèi)外企業(yè)就陸續(xù)推出了自己的PAC產(chǎn)品。
PLC 電源模塊維修技術(shù)實例:一次,一臺停機兩個月的設(shè)備出現(xiàn)問題,上電后無法啟動。工程師在檢查后認為程序出錯,很自然地將EPROM卡插入PLC中,總清后拷貝程序,完成后重啟,故障依舊,由于程序不大,逐條把EPROM上的程序讀出,與手冊上的指令核對后發(fā)現(xiàn)完全一樣,重復拷貝無效后認為是PLC硬件故障。我們用PG將備份程序調(diào)出,與EPROM上的程序進行比對,結(jié)果語句指令表相同,但程序存放地址發(fā)生了變化,把備份程序發(fā)送到PLC后設(shè)備運行正常??梢奅PROM上的程序也出現(xiàn)了錯誤,用紫外線擦除后重新寫入問題解決。
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廈門岳航計算機工程有限公司
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