2711-B5A5L2
2711-B5A5L2
2711-B5A5L2(1)DCS系統(tǒng)是個(gè)大系統(tǒng),其控制器功能強(qiáng)而且在系統(tǒng)中的作用十分重要,數(shù)據(jù)公路更是系統(tǒng)的關(guān)鍵,所以,必須整體投資一步到位,事后的擴(kuò)容難度較大。而FCS功能下放較徹底,信息處理現(xiàn)場(chǎng)化,數(shù)字智能現(xiàn)場(chǎng)裝置的廣泛采用,使得控制器功能與重要性相對(duì)減弱。因此,F(xiàn)CS系統(tǒng)投資起點(diǎn)低,可以邊用、邊擴(kuò)、邊投運(yùn)。 (2)DCS系統(tǒng)是封閉式系統(tǒng),各公司產(chǎn)品基本不兼容。而FCS系統(tǒng)是開放式系統(tǒng),用戶可以選擇不同廠商、不同品牌的各種設(shè)備連入現(xiàn)場(chǎng)總線,達(dá)到最佳的系統(tǒng)集成。 (3)DCS系統(tǒng)的信息全都是二進(jìn)制或模擬信號(hào)形成的,必須有D/A與A/D轉(zhuǎn)換。而FCS系統(tǒng)是全數(shù)字化,就免去了D/A與A/D變換,高集成化高性能,使精度可以從±0.5%提高到±0.1%。 (4)FCS系統(tǒng)可以將PID閉環(huán)控制功能裝入變送器或執(zhí)行器中,縮短了控制周期,目前可以從DCS的每秒2~5次,提高到FCS的每秒10~20次,從而改善調(diào)節(jié)性能。 (5)DCS它可以控制和監(jiān)視工藝全過(guò)程,對(duì)自身進(jìn)行診斷、維護(hù)和組態(tài)。但是,由于自身的致命弱點(diǎn),其I/O信號(hào)采用傳統(tǒng)的模擬量信號(hào),因此,它無(wú)法在DCS工程師站上對(duì)現(xiàn)場(chǎng)儀表(含變送器、執(zhí)行器等)進(jìn)行遠(yuǎn)方診斷、維護(hù)和組態(tài)。FCS采用全數(shù)字化技術(shù),數(shù)字智能現(xiàn)場(chǎng)裝置發(fā)送多變量信息,而不僅僅是單變量信息,并且還具備檢測(cè)信息差錯(cuò)的功能。FCS采用的是雙向數(shù)字通信現(xiàn)場(chǎng)總線信號(hào)制。因此,它可以對(duì)現(xiàn)場(chǎng)裝置(含變送器、執(zhí)行機(jī)構(gòu)等)進(jìn)行遠(yuǎn)方診斷、維護(hù)和組態(tài)。FCS的這點(diǎn)優(yōu)越性是DCS無(wú)法比擬的。 (6)FCS由于信息處理現(xiàn)場(chǎng)化,與DCS相比可以省去相當(dāng)數(shù)量的隔離器、端子柜、I/O終端、I/O卡件、I/O文件及I/O柜,同時(shí)也節(jié)省了I/O裝置及裝置室的空間與占地面積。有專家認(rèn)為可以省去60%。 (7)與(6)同樣理由,F(xiàn)CS可以減少大量電纜與敷設(shè)電纜用的橋架等,同時(shí)也節(jié)省了設(shè)計(jì)、安裝和維護(hù)費(fèi)用。有專家認(rèn)為可以節(jié)省66%。 對(duì)于(6)、(7)兩點(diǎn)應(yīng)補(bǔ)充說(shuō)明的是,采用FCS系統(tǒng),節(jié)省投資的效果是不用懷疑的,但是否如有的專家所說(shuō)達(dá)60~66%。這些數(shù)字在多篇文章中出現(xiàn),編者認(rèn)為這是相互轉(zhuǎn)摘的結(jié)果,目前還未找到這些數(shù)字的原始出處,因此,讀者在引用這些數(shù)字時(shí)要慎重。 (8)FCS相對(duì)于DCS組態(tài)簡(jiǎn)單,由于結(jié)構(gòu)、性能標(biāo)準(zhǔn)化,便于安裝、運(yùn)行、維護(hù)。 (9)用于過(guò)程控制的FCS設(shè)計(jì)開發(fā)要點(diǎn)。這一點(diǎn)并不作為與DCS的比較,只是說(shuō)明用于過(guò)程控制或者說(shuō)用于模擬連續(xù)過(guò)程類的FCS在設(shè)計(jì)開發(fā)中應(yīng)重點(diǎn)考慮的問題。 1)要求總線本安防爆功能,而且是頭等重要的。 2)基本監(jiān)控如流量、料位、溫度、壓力等的變化是緩慢的,而且還有滯后效應(yīng),因此,節(jié)點(diǎn)監(jiān)控并不需要快電子學(xué)的響應(yīng)時(shí)間,但要求有復(fù)雜的模擬量處理能力。這一物理特征決定了系統(tǒng)基本上多采用主一從之間的集中輪詢制,這在技術(shù)上是合理的,在經(jīng)濟(jì)上是有利的。 3)流量、料位、溫度、壓力等參數(shù)的測(cè)量,其物理原理是古典的,但傳感器、變送器及控制器應(yīng)向數(shù)字智能化發(fā)展。 4)作為針對(duì)連續(xù)過(guò)程類及其儀器儀表而開發(fā)的FCS,應(yīng)側(cè)重于低速總線H1的設(shè)計(jì)完善。
PLC與DCS的前景 我們已經(jīng)知道有的FCS是由PLC發(fā)展而來(lái),而有的FCS是由DCS發(fā)展而來(lái),那么,今天FCS已走向?qū)嵱没,PLC與DCS前景又將如何。 PLC于60年代末期在美國(guó)首先出現(xiàn),目的是用來(lái)取代繼電器,執(zhí)行邏輯、計(jì)時(shí)、計(jì)數(shù)等順序控制功能,建立柔性程序控制系統(tǒng)。1976年正式命名,并給予定義:PLC是一種數(shù)字控制專用電子計(jì)算機(jī),它使用了可編程序存儲(chǔ)器儲(chǔ)存指令,執(zhí)行諸如邏輯、順序、計(jì)時(shí)、計(jì)數(shù)與演算等功能,并通過(guò)模擬和數(shù)字輸入、輸出等組件,控制各種機(jī)械或工作程序。經(jīng)過(guò)30多年的發(fā)展,PLC已十分成熟與完善,并開發(fā)了模擬量閉環(huán)控制功能。PLC在FCS系統(tǒng)中的地位似乎已被確定并無(wú)多少爭(zhēng)論。PLC作為一個(gè)站掛在高速總線上。充分發(fā)揮PLC在處理開關(guān)量方面的優(yōu)勢(shì)。另外,火力發(fā)電廠輔助車間,例如補(bǔ)給水處理車間、循環(huán)水車間、除灰除渣車間、輸煤車間等,在這些車間的工藝過(guò)程多以順序控制為主。PLC對(duì)于順序控制有其獨(dú)特的優(yōu)勢(shì)。編者以為,輔助車間的控制系統(tǒng)應(yīng)以遵循現(xiàn)場(chǎng)總線通訊協(xié)議的PLC或能與FCS進(jìn)行通訊交換信息的PLC為優(yōu)選對(duì)象。 自1973年提出第一臺(tái)以微處理器為基礎(chǔ)的控制器以來(lái),它逐步完善,并最終形成功能齊全、安全可靠的數(shù)字式分散控制系統(tǒng)DCS。它的性能大大優(yōu)于以住任何一種控制系統(tǒng)。可以滿足火電廠DAS、MCS、SCS和APS各系統(tǒng)的各種要求,目前還可以通過(guò)工業(yè)以太網(wǎng)建立管理層網(wǎng)絡(luò),以滿足火電廠呼聲越來(lái)越高的加強(qiáng)管理的要求?梢赃@樣說(shuō),DCS系統(tǒng)的監(jiān)控可以復(fù)蓋大型火電機(jī)組的工藝全過(guò)程。 但是,自從有了FCS,并于90年代走向?qū)嵱没詠?lái),不斷有如下論點(diǎn)在公開刊物上發(fā)表,即“從現(xiàn)在起,新的現(xiàn)場(chǎng)總線控制系統(tǒng)FCS將逐步取代傳統(tǒng)的DCS”;“當(dāng)調(diào)節(jié)功能下放到現(xiàn)場(chǎng)去以后,傳統(tǒng)的DCS就沒有存在的必要而會(huì)自動(dòng)消失”;“今后十年,傳統(tǒng)的4~20mA模擬信號(hào)制將逐步被雙向數(shù)字通信現(xiàn)場(chǎng)總線信號(hào)制所取代,模擬與數(shù)字的分散型控制系統(tǒng)DCS將更新?lián)Q代為全數(shù)字現(xiàn)場(chǎng)總線控制系統(tǒng)FCS”……。這些論點(diǎn)歸納為一句話:FCS將取代DCS,DCS從此將消亡。 上述論點(diǎn)皆出自于權(quán)威專家之口,確實(shí)不無(wú)道理。數(shù)字通訊是一種趨勢(shì),它代表了技術(shù)進(jìn)步,是任何人阻擋不了的。雙向數(shù)字通信現(xiàn)場(chǎng)總線信號(hào)制以及由它而產(chǎn)生的巨大的推動(dòng)力,加速現(xiàn)場(chǎng)裝置與控制儀表的變革,開發(fā)出越來(lái)越多的功能完善的數(shù)字智能現(xiàn)場(chǎng)裝置。這些都是DCS系統(tǒng)所不具備的,而由此產(chǎn)生的優(yōu)越性以及給火電廠的設(shè)計(jì)、配置、組態(tài)、運(yùn)行、維護(hù)、管理等方面帶來(lái)的效益也是DCS系統(tǒng)所不及的。再則,F(xiàn)CS是由DCS以及PLC發(fā)展而來(lái),它保留了DCS的特點(diǎn),或者說(shuō)FCS吸收了DCS多年開發(fā)研究以及現(xiàn)場(chǎng)實(shí)踐的經(jīng)驗(yàn),當(dāng)然也包括教訓(xùn)。由此而得出結(jié)論,“FCS將取代DCS”,似乎也是順理成章之事。 同時(shí)我們也應(yīng)看到,DCS系統(tǒng)發(fā)展也近30年,在火電廠的應(yīng)用如此廣泛。它的設(shè)計(jì)思想、組態(tài)配置、功能匹配等已達(dá)十分完善的程度(當(dāng)然,DCS也存在進(jìn)一步發(fā)展的需求,例如高級(jí)軟件開發(fā),以滿足信息集成的要求),已滲透到火電廠控制系統(tǒng)的各個(gè)領(lǐng)域,并且在FCS系統(tǒng)中也有些體現(xiàn)。從這個(gè)角度來(lái)看,DCS系統(tǒng)似乎不能說(shuō)從此消亡。再則,從前面的章節(jié)敘述中已經(jīng)談到,對(duì)那些FCS系統(tǒng)不能充分發(fā)揮其特點(diǎn)及優(yōu)越性的領(lǐng)域,DCS系統(tǒng)仍有用武之地。 開始大!只要您給出合理價(jià)格我賣給你,只要您給出同行的價(jià)格我賣給你,只要您誠(chéng)心購(gòu)買給錢我就賣給你。 如果您發(fā)現(xiàn)其他供貨商為相同產(chǎn)品提供更為低廉的價(jià)格,我們也愿意參照其價(jià)格向您提供進(jìn)一步的折扣
如下:【..美國(guó)..英維思 ESD系統(tǒng) FOXBORO,Invensys Triconex】【.. 美國(guó).. .. AB ..1756系列,1785系列,1746系列,1747系列,1771系列】【..瑞士.. ..ABB.. 機(jī)器人系列,ABB Advant OCS,ABB Procontic PLC CPU】【..法國(guó)....施耐德.. 140莫迪康昆騰系列處理器,內(nèi)存卡,電源模塊等!俊..德國(guó)...西門子..Siemens MOORE,S5,S7等】【美國(guó)通用電氣..GE..90/30,90/70系列】
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DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-K10G16L1 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-K10G1L1 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-K10G3 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-K10G3L1 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-K10G8 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-K10G8L1 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-K10G9 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-K10G9L1 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-K14C1 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-K14C10 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-K10G14 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-K10G15 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-K10G16 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-K14C3 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-K14C8 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-K14C9 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-K3A10L1 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-K3A17L1 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-K3A2L1 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-K3A5L1 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-K5A1 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-K5A10 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-K5A10L1 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-K5A10L2 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-K5A10L3 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-K5A14 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-K5A14L1 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-K5A15 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-K5A15L1 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-K5A15L3 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-K5A16 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-K5A16L1 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-K5A1L1 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-K5A1L2 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-K5A1L3 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-K5A2 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-K5A2L1 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-K5A2L2 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-K5A2L3 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-K5A3 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-K5A3L1 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-K5A3L2 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-K5A3L3 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-K5A5 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-K5A5L1 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-K5A5L2 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-K5A5L3 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-K5A8 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-K5A8L1 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-K5A8L2 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-K5A8L3 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-K5A9 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-K5A9L1 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-K5A9L2 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-K5A9L3 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-K6C1 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-K6C10 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-K6C10L1 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-K6C14 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-K6C14L1 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-K6C15 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-K6C15L1 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-K6C16 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-K6C16L1 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-K6C1L1 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-K6C2 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-K6C2L1 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-K6C3 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-K6C3L1 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-K6C5 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-K6C5L1 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-K6C8 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-K6C8L1 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-K6C9 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-K6C9L1 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-K9C1 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-K9C10 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-K9C10L1 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-K9C14 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-K9C14L1 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-K9C15 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-K9C15L1 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-K9C16 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-K9C16L1 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-K9C1L1 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-K9C3 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-K9C3L1 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-K9C8 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-K9C8L1 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-K9C9 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-K9C9L1 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-M3A18L1 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-M3A19L1 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-NB2 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-NB3 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-NC1 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-NC13 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-NC14 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-NC2 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-NC21 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-NC22 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-ND1 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-ND1R DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-ND1S DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-ND1W DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-ND1WR DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-ND1WS DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-ND2DER DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-ND2DES DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-ND2FRR DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-ND2FRS DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-ND2R DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-ND2S DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-ND3 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-ND3DER DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-ND3DES DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-ND3ESR DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-ND3ESS DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-ND3FRR DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-ND3FRS DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-ND3R DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-ND3S DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-ND3UR DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-NF1 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-NF2A DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-NF2C DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-NF4 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-NF5 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-NF6 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-NK1 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-NL1 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-NL2 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-NL3 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-NL4 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-NM1 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-NM11 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-NM12 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-NM13 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-NM14 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-NM2 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-NM216 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-NM28 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-NM3 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-NM4 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-NMCC DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-NP1 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-NP2 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-NP3 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-NR1 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-NR4 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-NR5K DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-NR5T DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-NR6K DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-NR6T DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-NT1 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-NT1C DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-NV1 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-NV3K DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-NV3T DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-NV4 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-NV4T DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-NV5 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-NV6K DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-NV6T DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-NV7K DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-NV7T DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-T10C1 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-T10C10 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-T10C10L1 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-T10C14 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-T10C14L1 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-T10C15 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-T10C15L1 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-T10C16 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-T10C16L1 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-T10C1L1 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-T10C3 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-T10C3L1 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-T10C8 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-T10C8L1 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-T10C9 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-T10C9L1 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-T10G1 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-T10G10 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-T10G10L1 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-T10G14 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-T10G14L1 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-T10G15 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-T10G15L1 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-T10G16 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-T10G16L1 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-T10G1L1 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-T10G3 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-T10G3L1 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-T10G8 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-T10G8L1 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-T10G9 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-T10G9L1 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-T14C1 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-T14C10 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-T14C14 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-T14C15 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-T14C16 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-T14C3 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-T14C8 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-T14C9 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-T5A10L1 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-T5A14L1 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-T5A15L1 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-T5A16L1 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-T5A1L1 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-T5A2L1 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-T5A3L1 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-T5A5L1 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-T5A8L1 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-T5A9L1 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-T6C10L1 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-T6C15L1 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-T6C16L1 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-T6C1L1 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-T6C2L1 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-T6C3L1 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-T6C5L1 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-T6C8L1 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-T6C9L1 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-T9C1 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-T9C10 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-T9C10L1 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-T9C14 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-T9C14L1 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-T9C15 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-T9C15L1 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-T9C16 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-T9C16L1 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-T9C1L1 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-T9C3 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-T9C3L1 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-T9C8 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-T9C8L1 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-T9C9 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711-T9C9L1 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711E-K10C15 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711E-K10C6 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711E-K14C15 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711E-K14C6 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711E-NA1 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711E-NA2 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711E-ND1 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711E-ND1DE DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711E-ND1ES DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711E-ND1FR DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711E-ND7 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711E-NK5 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711E-NT2 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711E-T10C15 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711E-T10C6 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711E-T14C15 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711E-T14C6 DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711E-U1B12C DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT ALLEN BRADLEY 2711E-UMOD DEVICENET COMMUNICATIONS & RS-232 PRINTER PORT 我們似乎沒有必要在文字上做過(guò)多的爭(zhēng)論,一定要強(qiáng)調(diào)誰(shuí)取代誰(shuí)。正如目前的DCS與新型的PLC,由于多年的開發(fā)研究,在各自保留自身原有的特點(diǎn)外,又相互補(bǔ)充,形成新的系統(tǒng),現(xiàn)在的DCS已不是當(dāng)初的DCS,同樣如此,新型的PLC也不是開發(fā)初期的PLC。我們能夠說(shuō)是DCS取代了PLC或者說(shuō)是PLC取代了DCS,顯然都是不合適的。
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中山大工:銷售熱線:. 86326362 技術(shù)專線: TEL:18022026245 QQ:3148250456
※ 數(shù)字式波段開關(guān),也稱數(shù)字編碼式開關(guān),主要適用于CNC機(jī)械面板之操作模式、軸向、倍率、速率百分比等波段選擇.※ 在PLC應(yīng)用上采用數(shù)字編碼式開關(guān),通?梢怨(jié)省大量IO點(diǎn).
※ 金屬外型炫亮堅(jiān)固,段數(shù)標(biāo)記清晰 .
※ 提供15,30,13.85,27.69°波段角度供選擇 .
※ 波段段數(shù)可由雙擋桿任意設(shè)置 .
※ 多種輸出數(shù)字編碼方式(2進(jìn)制,2進(jìn)制補(bǔ)碼,格雷碼等).
※ 波段擋桿堅(jiān)固,軸心附防滑花紋 .
※ 含信號(hào)禁止或偶同位信號(hào)防止誤動(dòng)作 .
※ 鍍金雙接點(diǎn),接觸電阻穩(wěn)定,使用壽命長(zhǎng) .
※ 主體座安裝O型密封圈,正面板防油防水設(shè)計(jì) ,編碼體密閉防油防水設(shè)計(jì) .
※ 新型結(jié)構(gòu),不易變形斷裂,安裝方便 .
※ 節(jié)省配線與CNC輸入點(diǎn)并可選擇附插座型式輸出.
擁有了高性能的新款溫度開關(guān)S6300,泰科思可提供轉(zhuǎn)換輸出量為30A的理想的控制裝置。無(wú)線和無(wú)外部繼電器的集成功率繼電器溫度開關(guān)S6300,在便于安裝的同時(shí)也使節(jié)省空間成為了可能。
1.
適用於CNC機(jī)械面板之模式、軸向、倍率、速率百分比
等波段選擇
n 金屬外形絢亮堅(jiān)固,波段標(biāo)示清晰
n 提供15度、30度、13.85度、27.59度波段角度供選擇
n 波段數(shù)可由雙檔桿自由設(shè)定
n 提供多種數(shù)位元輸出方式 如2進(jìn)制輸出, 補(bǔ)數(shù)輸出等
n 波段檔桿堅(jiān)固,軸心防滑花紋設(shè)計(jì)
n 含信號(hào)禁止或偶同位元信號(hào)防止誤動(dòng)作
n 鍍金雙接點(diǎn),接觸電阻穩(wěn)定,使用壽命長(zhǎng)
n 主體安裝座附O令,正面板防油防水設(shè)計(jì)
n 編碼器密封防油防水設(shè)計(jì)
n 新型結(jié)構(gòu),不易變形斷裂,按照方便
節(jié)省配線與CNC輸入點(diǎn)並可附插座型式輸出
http://www.baochen.com.cn
音叉式物/液位開關(guān) |
HN系列音叉式物位開關(guān)是一種通用型的物位限位開關(guān)。音叉由壓電晶體激勵(lì)產(chǎn)生振動(dòng),當(dāng)音叉被液體或固體浸沒時(shí)振動(dòng)頻率發(fā)生變化,這個(gè)頻率變化由電子線路檢測(cè)出來(lái)并輸出一個(gè)開關(guān)量。音叉式物位開關(guān)不受介質(zhì)電參數(shù)以及湍流、攪動(dòng)、氣泡、振動(dòng)等因素的影響,無(wú)活動(dòng)部件,因此無(wú)需維護(hù)和調(diào)整,是復(fù)雜工況下物位開關(guān)的理想選擇。 產(chǎn)品特點(diǎn): ◆ 適應(yīng)性強(qiáng):被測(cè)物料不同的電參數(shù)、密度對(duì)測(cè)量均不產(chǎn)生影響。結(jié)垢、攪動(dòng)、湍流、氣泡、振動(dòng)、中等粘度、高溫、高壓等惡劣條件對(duì)檢測(cè)也無(wú)影響。 ◆ 免于維護(hù):由于音叉限位開關(guān)的檢測(cè)過(guò)程由電子電路完成,無(wú)活動(dòng)部件,所以一經(jīng)安裝投運(yùn)便不需要維護(hù)。 ◆ 不需調(diào)校:由于音叉限位開關(guān)的檢測(cè)不受被測(cè)介質(zhì)電參數(shù)及密度的影響,所以無(wú)論測(cè)量何種液體都不需現(xiàn)場(chǎng)調(diào)校 典型應(yīng)用對(duì)象: ◆自來(lái)水、礦泉水 、汽柴油 ◆可產(chǎn)生氣體的液體 ◆紙漿、膠水、染料 、化工 ◆啤酒、啤酒發(fā)酵劑、飲料 ◆廢水、泥漿、酸、堿溶液 ◆流動(dòng)性好的固體粉料、小顆粒 技術(shù)參數(shù): 電源電壓:220VAC/24VDC 工作溫度:-30~150℃(叉體)-20~70℃(儀表) 工作壓力:≤2MPa 介質(zhì)比重:最低0.7 輸出方式:繼電器輸出(5A/220VAC) 輸出延時(shí):1~60秒可調(diào) 功耗: 0.5W 安裝螺紋:1″PT螺紋 叉體長(zhǎng)度:100mm(標(biāo)準(zhǔn)型) 材質(zhì):sus304 安裝要求: 音叉式物位開關(guān)通常采用側(cè)裝(在倉(cāng)壁側(cè)面安裝)方式安裝與倉(cāng)體側(cè)壁對(duì)料位高度進(jìn)行上下限位置的檢測(cè);當(dāng)倉(cāng)體不便側(cè)面開孔時(shí)可采用頂裝(在倉(cāng)的頂部安裝)方式安裝,位置應(yīng)選擇能避開進(jìn)料時(shí)物料沖擊的位置;亦可安裝與管道上防止泵的無(wú)料運(yùn)行。 |
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,例如:EN,IEC,VDE和RoHS 2002/95/EG等。此外,多德繼電器還符合多個(gè)第三方認(rèn)證,例如:BG,TÜV,UL,CSA和CCC等。多德E.Dold&Soehne KG公司沿襲德國(guó)黑森林地區(qū)傳統(tǒng)精準(zhǔn)的制造工藝生產(chǎn)繼電器產(chǎn)品,是一家超過(guò)70年的家族式企業(yè),目前公司正由多德家族的第三代管理運(yùn)營(yíng)。多德公司員工超過(guò)500人,而且很多是為公司服務(wù)超過(guò)20年的老員工,他們熟知并嚴(yán)格執(zhí)行著公司的質(zhì)量管控標(biāo)準(zhǔn),這遠(yuǎn)遠(yuǎn)要比單純的Know-How意義深遠(yuǎn)。
產(chǎn)品范圍:
德國(guó)E.Dold&Soehne KG繼電器、E.Dold&Soehne KG安全繼電器、E.Dold&Soehne KG繼電器模塊、E.Dold&Soehne KG、E.Dold&Soehne KG開關(guān)、E.Dold&Soehne KG壓力變送器、E.Dold&Soehne KG溫度開關(guān)
主要型號(hào):
BG5925.03 0048653、BD5935.16 DC24V、ML9988.51 24Vdc、BH5928.93,24V、BD 5935.48、BD5935、BD5935.48 DC24V、BG5924.48/DC24V、BD5936.17 AC/DC24-60V、BD5935.48 DC24V
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