描述
FOXBORO-CP60
分布式的FCS系統(tǒng)比DCS系統(tǒng)更好地體現(xiàn)了“信息集中,控制分散”的思想。與傳統(tǒng)的DCS相比,F(xiàn)CS有其自身的特點(diǎn)。FCS系統(tǒng)具有高度的分散性,它可以由現(xiàn)場(chǎng)設(shè)備組成自治的控制回路?,F(xiàn)場(chǎng)儀表或設(shè)備具有高度的智能化與功能自主性,可完成控制的基本功能,并可以隨時(shí)診斷設(shè)備的運(yùn)行情況。另外,F(xiàn)CS的結(jié)構(gòu)比DCS簡(jiǎn)化。有的FCS系統(tǒng)省略了DCS中控制站這一層,操作站直接與現(xiàn)場(chǎng)儀表相連。這些使FCS的可靠性得到提高。
現(xiàn)場(chǎng)總線系統(tǒng)具有開放性。系統(tǒng)對(duì)相關(guān)標(biāo)準(zhǔn)具有一致性、公開性,強(qiáng)調(diào)對(duì)標(biāo)準(zhǔn)的共識(shí)與遵從。通信協(xié)議一致公開,各不同廠家的設(shè)備之間可實(shí)現(xiàn)信息交換,通過(guò)現(xiàn)場(chǎng)總線可構(gòu)筑自動(dòng)化領(lǐng)域的開放互連系統(tǒng)。系統(tǒng)的開放性決定了它具有互操作性和互用性?;ゲ僮餍灾富ミB設(shè)備間、系統(tǒng)間信息傳送與溝通;而互用則意味著不同生產(chǎn)廠家的性能類似的設(shè)備可實(shí)現(xiàn)相互替換。作為工廠網(wǎng)絡(luò)底層的現(xiàn)場(chǎng)總線還對(duì)現(xiàn)場(chǎng)環(huán)境有較強(qiáng)地適應(yīng)性。它支持雙絞線、同軸電纜、光纜、無(wú)線和電力線等,具有較強(qiáng)的抗干擾能力。
由于結(jié)構(gòu)上的改變,F(xiàn)CS比DCS更節(jié)約硬件設(shè)備。使用FCS可以減少大量的隔離器、端子柜、I/O卡及I/O端口,這樣就節(jié)省了I/O裝置及裝置室的空間;同時(shí)減少了大量電纜,可以極大地節(jié)省安裝費(fèi)用。與此同時(shí),F(xiàn)CS比DCS性能有所提高。由于免去了D/A與A/D變換,使儀表精度得到極大的提高;通過(guò)將PID功能植入到相應(yīng)的智能傳感器中去,使控制周期大為縮短。目前FCS可以從DCS的每秒調(diào)節(jié)2~5次增加到每秒調(diào)節(jié)10~20次,改善了調(diào)節(jié)性能。FCS控制系統(tǒng)與DCS控制系統(tǒng)結(jié)構(gòu)
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。Triconex?Siemens?Yaskawa?ABB?GE?Ovation?AB?Foxboro?Motorola?Schneider?XYCOM?KUKA
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