Siemens 140CPU31110 

咨詢熱線--17750626260　           

   空間的輻射電磁場（EMI）主要是由電力網(wǎng)絡(luò)、電氣設(shè)備的暫態(tài)過程、雷電、無線電廣播、電視、雷達(dá)、高頻感應(yīng)加熱設(shè)備等產(chǎn)生的，通常稱為輻射干擾，其分布極為復(fù)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(yīng)產(chǎn)生干擾；而是對PLC通信內(nèi)網(wǎng)絡(luò)的輻射，由通信線路的感應(yīng)引入干擾。輻射干擾與現(xiàn)場設(shè)備布置及設(shè)備所產(chǎn)生的電磁場大小，特別是頻率有關(guān)，一般通過設(shè)置屏蔽電纜和PLC局部屏蔽及高壓泄放元件進(jìn)行保護(hù)。
　

    【誠信經(jīng)營】【質(zhì)量可靠】【進(jìn)口原裝】【拆包防偽】   

   【超大庫存】【當(dāng)天付款】【順豐速運(yùn)】【歡迎搶購】
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廈門莫格電氣自動(dòng)化有限公司
張芳（銷售工程師）
電  話：0592-6514182/17750626260
Q    Q：177763184
郵  箱：177763184@qq.cm
傳  真：0592-6514751
網(wǎng)址：http://www.mogget.cn
誠信經(jīng)營，質(zhì)量為首，誠信至上，莫格電氣竭誠為您服務(wù)！
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DELPHI TS10166 AIR TEMPERATURE SENSOR, NIB
 
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FIKE SCRD BT RUPTURE DISK NIB
 
SQUARE D OVERLOAD RELAY THERMAL UNIT B28.0 NIB
 
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HATHAWAY BETA 0-100PSIG 6.894BAR ISOLATED MEDIA GAUGE 910303 104926
 
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ATKINS TEMPERATURE PROBE 50335-J
 
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