6FC5410-0AY01-0AA0
6FC5410-0AY01-0AA0
◆品牌熱點(diǎn)\AB\ABB\施耐德\GE\西門子\發(fā)那科\FOXBORO\西屋
愛價格好++++++++貿(mào)+++++++++++++*降價
愛貨期短+++++++++++++++++++渠道好
愛產(chǎn)品好+++++++++易++++++++++*
愛數(shù)量多+++++++++++++++++++++大量庫存停產(chǎn)備件
愛售后服務(wù)好+++++++商++++++++++++質(zhì)量保證
干擾造成的故障:對于干擾主要是接地問題,備用電源的切換和大功率的無線通信設(shè)備如手機(jī)、對講機(jī)等。另外還有DCS系統(tǒng)的干擾信號可能由本身造成的。那么對于DCS系統(tǒng)的接地問題越來越引起人們的重視,尤其在電力行業(yè),大功率電器設(shè)備的啟動和停止都會干擾DCS的控制信號,造成不必要的故障。為了防止干擾信號串入系統(tǒng),嚴(yán)格執(zhí)行屏蔽和接地要求和方式,信號線遠(yuǎn)離干擾源,同時采取防電源波動措施。主/從過程處理機(jī)之間在機(jī)組運(yùn)行時,除非萬不得以,盡量不要人為切換,已防產(chǎn)生干擾,如必須切換,應(yīng)采取措施,先將控制切手動,以免對機(jī)組運(yùn)行工況產(chǎn)生影響。對電子設(shè)備問、工程師站等重點(diǎn)部位,應(yīng)禁止使用大功率無線電通信設(shè)備。[1]
相關(guān)控制系統(tǒng)
總述
計算機(jī)和網(wǎng)絡(luò)技術(shù)的飛速發(fā)展,引起了自動化控制系統(tǒng)結(jié)構(gòu)的變革,一種世界上新型的控制系統(tǒng)即現(xiàn)場總線控制系統(tǒng)(Fieldbus Control System,F(xiàn)CS)在上世紀(jì)九十年代走向?qū)嵱没?,并正以迅猛的勢頭快速發(fā)展?,F(xiàn)場總線控制系統(tǒng)是目前自動化技術(shù)中的一個熱點(diǎn),正越來越受到國內(nèi)外自動化設(shè)備制造商與用戶的關(guān)注?,F(xiàn)場總線控制系統(tǒng)的出現(xiàn),將給自動化領(lǐng)域在過程控制系統(tǒng)上帶來又一次革命,其深度和廣度將超過歷史的任何一次,從而開創(chuàng)自動化。
CACR-SR05AC1ER
CACR-SR05AC1ES
CACR-SR05AC1ES-Y105
CACR-SR05AD1KRY101
CACR-SR05AZ1SR-Y4
CACR-SR05B21SSY367
CACR-SR05BB1BF
CACR-SR05BB1BF-Y114
CACR-SR05BC1CS-Y159
CACR-SR05BC1ES-Y278
CACR-SR05BE12G-E
CACR-SR05BY1SSY2
CACR-SR05BZ1SSY367
CACR-SR05SB1AF
CACR-SR05SB1AF-Y187
CACR-SR05SZ1SS-Y223
CACR-SR06TZ0SM
CACR-SR06TZ0SM
CACR-SR06TZ0SMY01A
CACR-SR06TZ6SM-E
CACR-SR06TZ9SMY02A
CACR-SR07AC1ER
CACR-SR07AC1ER-Y105
CACR-SR07AC1ES-Y105
CACR-SR07AY1SR AC
CACR-SR07BB1AM
CACR-SR10BB1AF
CACR-SR10BB1AM
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CACR-SR10BB1CS-Y37
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CACR-SR10BC1ES-Y262
CACR-SR10BE12G-E
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CACR-SR10BY1SSY9
CACR-SR10BZ1SM
CACR-SR10BZ1SS-Y367
CACR-SR10SZ
CACR-SR10SZ1SF
CACR-SR10SZ1SFY221
CACR-SR10SZ1SF-Y221
CACR-SR10SZ1SFY90
CACR-SR10SZ1SF-Y90
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CACR-SR10SZ1SS-Y217
CACR-SR-10SZ1SSY217
CACR-SR10SZ1SS-Y86
CACR-SR12
CACR-SR-12BA1AM
CACR-SR15BB1AF
CACR-SR15BB-1AF
CACR-SR15-BB1AF AC
CACR-SR15BB1AM
CACR-SR15BB1AM-Y114
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CACR-SR-15BB1BF-Y288
CACR-SR15BB1BF-Y288
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CACR-SR15BC1KSY340
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CACR-SR15BY1SDY49-E
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CACR-SR15BY1WS-CY109
CACR-SR15SB1AF-Y78