EPRO MMS6210

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描述

EPRO MMS6210

公用系統(tǒng)控制方式
對(duì)于2臺(tái)機(jī)組的公用系統(tǒng),如廠用公用及備用電源系統(tǒng)等與熱工控制系統(tǒng)一樣,DCS的配置能夠?qū)崿F(xiàn)機(jī)組停止時(shí),另一臺(tái)機(jī)組的運(yùn)行人員能對(duì)公用系統(tǒng)進(jìn)行監(jiān)控,并且要求采用可靠的措施,確保其控制命令的唯一性,即在同一時(shí)間只允許一套DCS系統(tǒng)對(duì)公用設(shè)備起控制作用。不能因?yàn)楣孟到y(tǒng)的存在,而使2臺(tái)機(jī)組的DCS耦合在一起。
在工程實(shí)際應(yīng)用過程中,依照DCS的特點(diǎn)采用了2種典型的方法來實(shí)現(xiàn)對(duì)公用系統(tǒng)的控制。九江三期的DCS是HITACHI公司生產(chǎn)的HIACS7000系統(tǒng),在DCS的配置中,我們?cè)?臺(tái)機(jī)組中配置相同的硬件和軟件,通過切換開關(guān)來實(shí)現(xiàn)操作權(quán)的轉(zhuǎn)換。外部設(shè)備的信號(hào)通過冗余配置(模擬量)或通過擴(kuò)展轉(zhuǎn)換(開關(guān)量)分別送入2套DCS系統(tǒng)。同時(shí)因保證不出現(xiàn)誤操作事故,還增加了相當(dāng)部分的判據(jù)條件和I/0測(cè)點(diǎn),這種方式的優(yōu)點(diǎn)是當(dāng)一臺(tái)機(jī)組停運(yùn)或檢修,可以較方便地對(duì)DCS進(jìn)行檢查,同時(shí)也增大了控制的可靠性,缺點(diǎn)是增加了外部設(shè)備的數(shù)量,增加了費(fèi)用。增加一個(gè)環(huán)節(jié)也就意味著增加了故障發(fā)生的可能。信陽一期、益陽一期的DCS是由Bailey公司提供的INFI-90系統(tǒng),針對(duì)其系統(tǒng)結(jié)構(gòu)采用了公用環(huán),公用系統(tǒng)的控制全部通過公用環(huán)配置來實(shí)現(xiàn)。2套DCS通過Tagnumber來實(shí)現(xiàn)控制,這樣較好地解決了耦合問題。這種控制方式的優(yōu)點(diǎn)是配置較少,外部設(shè)備也不用增加,有效地利用了信息資源;缺點(diǎn)是公用環(huán)的設(shè)備不能停電檢修,除非2臺(tái)機(jī)組均停機(jī)檢修,加重了設(shè)備運(yùn)行安全性的要求。

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(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)力庫存商家

NEW Sundstrand-Saue?r-Danfoss Hydraulic Series 23 Pump

NEW Sundstrand-Saue?r-Danfoss Hydraulic Series 23 Pump

NEW Sundstrand-Saue?r-Danfoss Hydraulic Series 23 Pump

313 Sundstrand-Saue?r-Danfoss Hydraulic Series 23 Pump

314 Sundstrand-Saue?r-Danfoss Hydraulic Series 23 Pump

315 Sundstrand-Saue?r-Danfoss Hydraulic Series 23 Pump

NEW Sundstrand-Saue?r-Danfoss Hydraulic Series 23 Pump

DANFOSS 175L3400 USPP 175L3400

DANFOSS FCM307-P-T4-C55?-ST-R1-D0-F00-X?-4-00-B34-100-1?-D

Danfoss Magflo 3100 flow meter flowmeter

DANFOSS VLT 75HP VFD INVERTER AC MOTOR DRIVE

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DANFOSS VLT 5032 VARIABLE SPEED DRIVE 30HP 500V

DANFOSS 175H4147 USPP 175H4147

DANFOSS 175H4447 USPP 175H4447

NEW DANFOSS VLT5000 DRIVE DETAILS INSIDE*

NEW Sundstrand-Saue?r-Danfoss Hydraulic Series 23 Pump

Sauer Danfoss MPT046C Rebuilt Sunstrand Pump M9146XXXR

NEW Sundstrand-Saue?r-Danfoss Hydraulic Series 23 Motor

New Sundstrand-Saue?r-Danfoss Sundstrand microcontroller

NEW Sundstrand-Saue?r-Danfoss Hydraulic Series 47 Pump

NEW Sundstrand-Saue?r-Danfoss Hydraulic Series 47 Pump

67 Sundstrand-Saue?r-Danfoss Hydraulic Series 47 Pump

66 Sundstrand-Saue?r-Danfoss Hydraulic Series 47 Pump

65 Sundstrand-Saue?r-Danfoss Hydraulic Series 47 Pump

64 Sundstrand-Saue?r-Danfoss Hydraulic Series 47 Pump

63 Sundstrand-Saue?r-Danfoss Hydraulic Series 47 Pump

Sundstrand-Saue?r-Danfoss Hydraulic Series 23 Pump UM

Sundstrand-Saue?r-Danfoss Hydraulic Series 23 Pump UK

Sundstrand-Saue?r-Danfoss Hydraulic Series 23 Pump UH

Sundstrand-Saue?r-Danfoss Hydraulic Series 23 Pump UJ

NEW Sundstrand-Saue?r-Danfoss Hydraulic Series 23 Pump

Sundstrand-Saue?r-Danfoss Hydraulic Series 23 Pump UL

Sundstrand-Saue?r-Danfoss Hydraulic Series 23 Pump UI

Sundstrand-Saue?r-Danfoss Hydraulic Series 23 Pump UG

Sundstrand-Saue?r-Danfoss Hydraulic Series 47 Pump A53

Sundstrand-Saue?r-Danfoss Hydraulic Series 47 Pump A52

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Sundstrand-Saue?r-Danfoss Hydraulic Series 47 Pump A51

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Sundstrand-Saue?r-Danfoss Hydraulic Series 47 Pump LT

201 Sundstrand-Saue?r-Danfoss Hydraulic Series 47 Pump

199 Sundstrand-Saue?r-Danfoss Hydraulic Series 47 Pump

200 Sundstrand-Saue?r-Danfoss Hydraulic Series 47 Pump

NEW Sundstrand-Saue?r-Danfoss Hydraulic Series 47 Pump

NEW Sundstrand-Saue?r-Danfoss Hydraulic Series 47 Pump

81 Sundstrand-Saue?r-Danfoss Hydraulic Series 47 Pump

86 Sundstrand-Saue?r-Danfoss Hydraulic Series 47 Pump

85 Sundstrand-Saue?r-Danfoss Hydraulic Series 47 Pump

83 Sundstrand-Saue?r-Danfoss Hydraulic Series 47 Pump

78 Sundstrand-Saue?r-Danfoss Hydraulic Series 47 Pump

82 Sundstrand-Saue?r-Danfoss Hydraulic Series 47 Pump

77 Sundstrand-Saue?r-Danfoss Hydraulic Series 47 Pump

84 Sundstrand-Saue?r-Danfoss Hydraulic Series 47 Pump

80 Sundstrand-Saue?r-Danfoss Hydraulic Series 47 Pump

79 Sundstrand-Saue?r-Danfoss Hydraulic Series 47 Pump

87 Sundstrand-Saue?r-Danfoss Hydraulic Series 47 Pump

NEW Sundstrand-Saue?r-Danfoss Hydraulic Series 47 Pump

NEW Sundstrand-Saue?r-Danfoss Hydraulic Series 47 Pump

Sauer Danfoss Direct Displacement Control Pump

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(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)起來也就簡(jiǎn)單了。