woodward 9907-019
【品質(zhì)超群廈門莫格電氣自動化，咨詢 手機(jī)1質(zhì)保一年品質(zhì)超群廈門莫格電氣自動化，咨詢 手機(jī)
工控專家廈門莫格電氣自動化，咨詢
woodward 9907-019
woodward 9907-019
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【品質(zhì)超群廈門莫格電氣自動化，咨詢 手機(jī) 】
【工控專家廈門莫格電氣自動化，咨詢 】
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2 三大控制系統(tǒng)之間的差異
2.1 差異
2.1.1 DCS或PLC
PLC系統(tǒng)與DCS系統(tǒng)的結(jié)構(gòu)差異不大，只是在功能的著重點上的不同，DCS著重于閉環(huán)控制及數(shù)據(jù)處理。PLC著重于邏輯控制及開關(guān)量的控制，也可實現(xiàn)模擬量控制。
DCS或PLC系統(tǒng)的關(guān)鍵是通信。也可以說數(shù)據(jù)公路是分散控制系統(tǒng)DCS及PLC的脊柱。由于它的任務(wù)是為系統(tǒng)所有部件之間提供通信網(wǎng)絡(luò)，因此，數(shù)據(jù)公路自身的設(shè)計就決定了總體的靈活性和安全性。數(shù)據(jù)公路的媒體可以是：一對絞線、同軸電纜或光纖電纜。
DCS的特點是：
（1）控制功能強(qiáng)?？蓪崿F(xiàn)復(fù)雜的控制規(guī)律，如串級、前饋、解耦、自適應(yīng)、*和非線性控制等。也可實現(xiàn)順序控制。
（2）系統(tǒng)可靠性高。
（3）采用CRT操作站有良好的人機(jī)界面。
（4）軟硬件采用模塊化積木式結(jié)構(gòu)。
（5）系統(tǒng)容易開發(fā)。
（6）用組態(tài)軟件，編程簡單，操作方便。
（7）有良好的性價比。
本公司主要優(yōu)勢產(chǎn)品：
【..美國..英維思 Invensys FOXBORO IA系統(tǒng), Triconex ESD系統(tǒng)】
【..美國.. .AB ..1756系列,1785系列,1746系列,1747系列,1771系列,1747系列，1769系列，1762系列，1764系列】
【..瑞士.. .ABB.. 機(jī)器人 DSQC系列,ABB Advant OCS,ABB Procontic PLC CPU】
【..法國....施耐德.. 140*康昆騰系列處理器,內(nèi)存卡,電源模塊等?！?/p>
【..美國...通用電氣..GE..IC693/IC697/IC200/IC698/IC660/IC670/IS200/DS200/PS215系列】
【美國本特利BENTLEY模塊3500系統(tǒng) 3300系統(tǒng)】
【黑馬 HIMA 安全模塊】
【施耐德，?？怂共_，艾默生，霍尼韋爾，西門子，西屋】
[誠信經(jīng)營][質(zhì)量可靠][進(jìn)口原裝][拆包防偽]
[大量庫存][當(dāng)天付款][順豐速運][歡迎搶購]
本公司所有產(chǎn)品都經(jīng)過專業(yè)嚴(yán)格檢測，歡迎詢價，采購。只要您有
誠意，優(yōu)惠的價格等著您
誠信經(jīng)營，質(zhì)量為首，誠信*，竭誠為您服務(wù)！
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