1C31169G01湖南湘西州龍山
布線方法
①將性質(zhì)不同的信號(hào)電纜放入同一導(dǎo)管內(nèi)時(shí),一定要隔離
②盡量避免將多個(gè)電源線容納在同一導(dǎo)管內(nèi)。不得不一起設(shè)置時(shí),需在導(dǎo)管內(nèi)設(shè)隔板,并將該隔板接地。(參見(jiàn)圖9)
③應(yīng)用電線管布線時(shí),因?yàn)殡娋管發(fā)熱,不要將1個(gè)電路的電線分別置于不同的電線管內(nèi)。(參見(jiàn)圖10)
④為了不使動(dòng)力電纜與信號(hào)電纜之間互相影響,不要將其平行布線。
⑤如安裝在設(shè)置有高壓設(shè)備的柜內(nèi),由于會(huì)感應(yīng)出噪聲,所以盡量遠(yuǎn)離高壓、動(dòng)力系統(tǒng)進(jìn)行布線設(shè)置。
⑥在距離高壓線動(dòng)力線200mm以上處安裝PLC,或?qū)⒏邏壕和動(dòng)力線放入金屬管內(nèi)布線,并將金屬管進(jìn)行完全D類(lèi)接地(第3種接地)
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