描述

PDD205A1121 3BHE025335R1121 3BHE025336P201

空間的輻射電磁場（EMI）主要是由電力網(wǎng)絡、電氣設備的暫態(tài)過程、雷電、無線電廣播、電視、雷達、高頻感應加熱設備等產(chǎn)生的，通常稱為輻射干擾，其分布極為復雜。若PLC系統(tǒng)置于所射頻場內(nèi)，就回收到輻射干擾，其影響主要通過兩條路徑：一是直接對PLC內(nèi)部的輻射，由電路感應產(chǎn)生干擾；而是對PLC通信內(nèi)網(wǎng)絡的輻射，由通信線路的感應引入干擾。輻射干擾與現(xiàn)場設備布置及設備所產(chǎn)生的電磁場大小，特別是頻率有關，一般通過設置屏蔽電纜和PLC局部屏蔽及高壓泄放元件進行保護。

產(chǎn)品承諾：
保?證?全新原裝進口,
保?證?安全準時發(fā)貨，
保?證售后服務質量，
優(yōu)勢價格，大量現(xiàn)貨。

主營DCS系統(tǒng)配件
機器人系統(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，橫河等進口品牌。Triconex?Siemens?Yaskawa?ABB?GE?Ovation?AB?Foxboro?Motorola?Schneider?XYCOM?KUKA

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