泉州金盛源電子貿(mào)易有限公司
Quanzhou Jinshengyuan Electronic Trading Co., Ltd
業(yè)務(wù)負(fù)責(zé)人: 陳小姐
咨詢(xún)--座機(jī)：0595-82081003 郵編 361000
咨詢(xún)--熱線：15359973512 郵箱2807163217@qq.com
手機(jī)：15359973512
咨詢(xún)---Q Q: 2807163217
為了敘述方便，我們把Ⅰ、Ⅱ類(lèi)信號(hào)電纜統(tǒng)稱(chēng)為信號(hào)電纜，把Ⅲ、Ⅳ類(lèi)信號(hào)電纜和現(xiàn)場(chǎng)電源電纜統(tǒng)稱(chēng)為電源電纜。在有條件的場(chǎng)合，信號(hào)電纜和電源電纜應(yīng)采用不同走線槽走線，在進(jìn)入DCS機(jī)房（或機(jī)柜）時(shí)，也應(yīng)盡可能相互遠(yuǎn)離。當(dāng)這二種電纜無(wú)法滿(mǎn)足分開(kāi)走線要求時(shí)，它們必須都采用屏蔽電纜（或屏蔽雙絞電纜），且滿(mǎn)足以下要求：
1、如果信號(hào)電纜和電源電纜之間的間距小于15cm時(shí)，必須在信號(hào)電纜和電源電纜之間設(shè)置屏蔽用的金屬隔板，并將隔板接地。詳細(xì)參見(jiàn)圖1(略)。
2、當(dāng)信號(hào)電纜和電源電纜垂直方向或水平方向分離安裝時(shí)，信號(hào)電纜和電源電纜之間的間距應(yīng)大于15cm.
對(duì)于某些干擾特別大的應(yīng)用場(chǎng)合，如電源電纜上掛接電壓為220V AC，電流在10A以上感性負(fù)載，而且電源電纜不帶屏蔽層時(shí)，那么要求它與信號(hào)電纜的垂直方向間隔距離必須在60cm以上。
3、在兩組電纜垂直相交時(shí)，若電源電纜不帶屏蔽層，最好用厚度在1.6mm以上的鐵板覆蓋交叉部分。
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