ABB IMFEC12

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選擇深圳長欣,選擇放心,售后無憂
大量現(xiàn)貨,當(dāng)天順豐發(fā)貨!
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描述

ABB IMFEC12
在電路圖設(shè)計(jì)中我們?cè)缫呀?jīng)在使用針對(duì)控制對(duì)象的繪圖方式,即把基本的主配送電路和PLC配置完成后,我們會(huì)針對(duì)每一個(gè)現(xiàn)場(chǎng)控制對(duì)象如:電機(jī)、閥、氣缸等控制對(duì)象繪制電路圖,他們的電源來自主配送電路,控制和反饋與PLC建立連接,硬件連鎖根據(jù)實(shí)際情況調(diào)整,一個(gè)個(gè)控制對(duì)象就象搭建積木一樣有組織的堆積起來,同樣的,編程也是針對(duì)一個(gè)個(gè)控制對(duì)象使用相應(yīng)的標(biāo)準(zhǔn)控制塊實(shí)現(xiàn)就可以,把程序控制細(xì)節(jié)實(shí)現(xiàn)了有效的封裝,使程序看起來簡潔和易于維護(hù),而好的設(shè)計(jì)可以把原理圖和程序進(jìn)行很好的關(guān)聯(lián),甚至于做到一對(duì)一的關(guān)系,如原理圖中的一個(gè)控制對(duì)象可以在程序中找到相應(yīng)的FB調(diào)用與之對(duì)應(yīng),真正做到面向控制對(duì)象編程。
可能有人疑慮,PLC編程大部分是步進(jìn)編程,這一個(gè)個(gè)標(biāo)準(zhǔn)塊都是針對(duì)控制對(duì)象的,那控制順序如何實(shí)現(xiàn)呢?這就要求編寫專門的順序控制FB塊,或者使用Siemens現(xiàn)成的Graph7來實(shí)現(xiàn),這點(diǎn)與一般編程沒什么差別。
現(xiàn)在的工業(yè)控制領(lǐng)域有很多程序高手,他們很精通算法,也有著自己的編程理念,當(dāng)我和一些人探討標(biāo)準(zhǔn)化時(shí),他們認(rèn)識(shí)到標(biāo)準(zhǔn)化的高效性,但認(rèn)為這樣無法體現(xiàn)自己的編程水準(zhǔn),是的,如上所述作為應(yīng)用層面的程序設(shè)計(jì)是不要很高的編程水平,但要想想,一個(gè)人難道能一輩子去搞現(xiàn)場(chǎng)調(diào)試嗎?若想體現(xiàn)自己的價(jià)值,可以從事標(biāo)準(zhǔn)編程。我更希望他們能花一點(diǎn)時(shí)間研究程序架構(gòu),各行各業(yè),真正的大師是系統(tǒng)架構(gòu)設(shè)計(jì)者,編程小技巧只不過是為好的架構(gòu)錦上添花。

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? 國內(nèi)實(shí)力庫存商家

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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? 國內(nèi)實(shí)力庫存商家


選擇深圳長欣,選擇放心,售后無憂大量現(xiàn)貨,當(dāng)天順豐發(fā)貨!
主營: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)起來也就簡單了。