HIM/HART/2AO/24DC/DIN

分類:
選擇深圳長(zhǎng)欣,選擇放心,售后無憂
大量現(xiàn)貨,當(dāng)天順豐發(fā)貨!
了解產(chǎn)品更多詳細(xì)信息或購買請(qǐng)撥打以下電話咨詢:
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聯(lián)系人:白工

電話:18150087953 / 18005022628

Whatsapp/Wechat:+8618150087953 / +18005022628

Email:[email protected]

描述

HIM/HART/2AO/24DC/DIN

FCS對(duì)計(jì)算機(jī)控制系統(tǒng)的影響
傳統(tǒng)的計(jì)算機(jī)控制系統(tǒng)一般采用DCS結(jié)構(gòu)。在DCS中,對(duì)現(xiàn)場(chǎng)信號(hào)需要進(jìn)行點(diǎn)對(duì)點(diǎn)的連接,并且I/O端子與PLC或自動(dòng)化儀表一起被放在控制柜中,而不是放在現(xiàn)場(chǎng)。這就需要鋪設(shè)大量的信號(hào)傳輸電纜,布線復(fù)雜,既費(fèi)料又費(fèi)時(shí),信號(hào)容易衰減并容易被干擾,而且又不便維護(hù)。DCS一般由操作員站、控制站等組成,結(jié)構(gòu)復(fù)雜,成本高。而且DCS不是開放系統(tǒng),互操作性差,難以實(shí)現(xiàn)數(shù)據(jù)共享。而基于PC的FCS則完全克服了這些缺點(diǎn)。
在FCS中,借助于現(xiàn)場(chǎng)總線技術(shù),所有的I/O模塊均放在工業(yè)現(xiàn)場(chǎng),而且所有的信號(hào)通過分布式智能I/O模塊在現(xiàn)場(chǎng)被轉(zhuǎn)換成標(biāo)準(zhǔn)數(shù)字信號(hào),只需一根電纜就可把所有的現(xiàn)場(chǎng)子站連接起來,進(jìn)而把現(xiàn)場(chǎng)信號(hào)非常簡(jiǎn)捷地傳送到控制室監(jiān)控設(shè)備上,降低了成本,又便于安裝和維護(hù),同時(shí)數(shù)字化的數(shù)據(jù)傳輸使系統(tǒng)具有很高的傳輸速度和很強(qiáng)的抗干擾能力。
FCS具有開放性。在FCS中,軟件和硬件都遵從同樣的標(biāo)準(zhǔn),互換性好,更新?lián)Q代容易。程序設(shè)計(jì)采用IEC1131-3五種國際標(biāo)準(zhǔn)編程語言,編程和開發(fā)工具是完全開放的,同時(shí)還可以利用PC豐富的軟硬件資源。
系統(tǒng)的效率大為提高。在FCS中,一臺(tái)PC可同時(shí)完成原來要用兩臺(tái)設(shè)備才能完成的PLC和NC/CNC任務(wù)。在多任務(wù)的Windows NT操作系統(tǒng)下,PC中的軟PLC可以同時(shí)執(zhí)行多達(dá)十幾個(gè)PLC任務(wù),既提高了效率,又降低了成本。且PC上的PLC具有在線調(diào)試和仿真功能,極大地改善了編程環(huán)境。在FCS中,系統(tǒng)的基本結(jié)構(gòu)為:工控機(jī)或商用PC、現(xiàn)場(chǎng)總線主站接口卡、現(xiàn)場(chǎng)總線輸入/輸出模塊、PLC或NC/CNC實(shí)時(shí)多任務(wù)控制軟件包、組態(tài)軟件和應(yīng)用軟件。上位機(jī)的主要功能包括系統(tǒng)組態(tài)、數(shù)據(jù)庫組態(tài)、歷史庫組態(tài)、圖形組態(tài)、控制算法組態(tài)、數(shù)據(jù)報(bào)表組態(tài)、實(shí)時(shí)數(shù)據(jù)顯示、歷史數(shù)據(jù)顯示、圖形顯示、參數(shù)列表、數(shù)據(jù)打印輸出、數(shù)據(jù)輸入及參數(shù)修改、控制運(yùn)算調(diào)節(jié)、報(bào)警處理、故障處理、通信控制和人機(jī)接口等各個(gè)方面,并真正實(shí)現(xiàn)控制集中、危險(xiǎn)分散、數(shù)據(jù)共享、完全開放的控制要求。

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
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Triconex?Siemens?Yaskawa?ABB?GE?Ovation?AB?Foxboro?Motorola?Schneider?XYCOM?KUKA
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SYMBOL MOTOROLA AP-5131-40023-W?WR AP-5131:SINGLE RADIO

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SYMBOL MOTOROLA LS3408-ER20005R SCANNER,INDUSTR?IAL,EXT.

Motorola DS6878-SR20001W?R -Motorola Symbol DS6878-SR
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Motorola Symbol DS6878-SR Handheld Bar Code Reader
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Motorola Symbol DS6878-SR Handheld Bar Code Reader

MOTOROLA SYMBOL MT2070 TWILIGHT MT2070-SD0D6237?0WR

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? 國內(nèi)實(shí)力庫存商家


選擇深圳長(zhǎng)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(jiǎn)單了。