3HAC025338-002

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選擇深圳長(zhǎng)欣，選擇放心，售后無(wú)憂
大量現(xiàn)貨，當(dāng)天順豐發(fā)貨！
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描述

3HAC025338-002

從影響成本的各個(gè)因素綜合考慮　從目前生產(chǎn)設(shè)備控制裝置來(lái)說(shuō)，有三種類型：①繼電器控制。②半導(dǎo)體器件控制。③PLC控制。
價(jià)格僅是選擇PLC品牌的一個(gè)因素，而可靠性是選擇時(shí)需要考慮的又一個(gè)因素。
從設(shè)計(jì)、生產(chǎn)周期長(zhǎng)短考慮　不論是老設(shè)備改造，還是設(shè)計(jì)新的生產(chǎn)機(jī)械設(shè)備，毫無(wú)疑問(wèn)，生產(chǎn)、設(shè)計(jì)周期越短越好，甚至希望邊設(shè)計(jì)、邊安裝、邊調(diào)試和邊生產(chǎn)，特別是產(chǎn)品更新?lián)Q代，生產(chǎn)工藝改造，不需改動(dòng)現(xiàn)有生產(chǎn)設(shè)備及其外部接線，就能馬上組織生產(chǎn)，這不僅節(jié)約了勞動(dòng)力，而且新產(chǎn)品能盡快投入市場(chǎng)。這無(wú)疑給企業(yè)增加了活力，提高了經(jīng)濟(jì)效益。如果把這些要求得以實(shí)現(xiàn)，繼電器或半導(dǎo)體都不能滿足，而PLC則完全可以實(shí)現(xiàn)。這是因?yàn)槿粲肞LC不必改動(dòng)外部設(shè)備接線，只要在軟件上作文章就可以了。也就是說(shuō)只要改變梯形圖，按照新工藝要求重新輸入新程序或修改原程序即可。這既經(jīng)濟(jì)又簡(jiǎn)捷，可以達(dá)到事半功倍的目的。
眾所周知，目前我國(guó)75%的生產(chǎn)機(jī)械設(shè)備，都是采用繼電器控制，除了可靠性差外，設(shè)計(jì)程序也很繁雜。從方案的確立到技術(shù)條件的設(shè)計(jì)以及施工的設(shè)計(jì)，圖面的工作量很大，這勢(shì)必造成設(shè)計(jì)周期長(zhǎng)。而采用PLC控制可以大大縮短設(shè)計(jì)周期，甚至有些文件資料也不必繪制成圖。設(shè)計(jì)人員完全可以利用編程器上屏幕顯示來(lái)輸入，或修改程序使得梯形圖能準(zhǔn)確無(wú)誤地反映生產(chǎn)要求。編程人員也可根據(jù)新產(chǎn)品對(duì)生產(chǎn)提出的新工藝要求，重新編寫程序并把它存儲(chǔ)在EEPROM模塊中去，需要加工哪個(gè)產(chǎn)品的程序，操作人員可以隨時(shí)調(diào)用，這既方便、簡(jiǎn)單又可保密。開發(fā)這種軟件對(duì)優(yōu)化生產(chǎn)過(guò)程，提高產(chǎn)品數(shù)量和質(zhì)量，提高勞動(dòng)生產(chǎn)率，非常具有實(shí)際意義。僅此一點(diǎn)也深受生產(chǎn)及設(shè)計(jì)者的歡迎。

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
品牌：ABB???,AB??,GE,FOXBORO,本特利，英維思，伍德沃德，西屋，瑞恩，施耐德，西門子，摩托羅拉，安川。力士樂。ACSO，橫河等進(jìn)口品牌。 專業(yè)銷售進(jìn)口DCS? PLC系統(tǒng)備件模塊
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(guó)內(nèi)實(shí)力庫(kù)存商家

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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(guó)內(nèi)實(shí)力庫(kù)存商家


選擇深圳長(zhǎng)欣，選擇放心，售后無(wú)憂大量現(xiàn)貨，當(dāng)天順豐發(fā)貨！
主營(yíng)：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(cè)”（不管能不能看懂，先了解個(gè)大概，以便學(xué)習(xí)編程時(shí)查找）；
2、由位控邏輯入手，逐漸增加定時(shí)、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(gè)物理回路驗(yàn)證，比如變頻器+電機(jī)+測(cè)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(shí)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(dòng)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(huì)一種至于其它的學(xué)習(xí)起來(lái)也就簡(jiǎn)單了。

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