DCS是一種常用分散控制系統(tǒng),RAC3.5-150-460-A00-Z1-220現(xiàn)在已經(jīng)被廣泛的應用于各個行業(yè)當中,這種操作系統(tǒng)已經(jīng)被很多的操作員所認可。子使用DCS控制系統(tǒng)的時候壓力變送器的信號不穩(wěn)定了怎么辦,這是一個很重要的問題,今天小編就來為大家介紹一下DCS接收到現(xiàn)場二線制壓力變送器信號不穩(wěn)定的原因。
RAC3.5-150-460-A00-Z1-220二線制變送器在工業(yè)自動化領(lǐng)域中使用頻度較高,與其他工業(yè)現(xiàn)場設(shè)備相同,二線制變送器也存在受干擾及抗干擾的問題。依據(jù)DCS模擬板接口模式選用功能不同的隔離配電器,原則上要求它既能給變送器提供隔離電源、保證每個變送器有一個獨立電源,又能將變送器信號隔離輸送到DCS。
PLC模擬板接口是二線回路供電方式的,而且需要對信號進行隔離,怎樣選用產(chǎn)品呢?二線回路供電方式是一種常見模擬板接口。與這個接口相適合的產(chǎn)品稱為二線制回路隔離系列產(chǎn)品。這種隔離變送器內(nèi)部的隔離器件均采用變壓器方式,一方面?zhèn)鬟f了信號,另一方面也將供電端的電能傳送到輸入部份,使輸入部分的各種電路能正常工作。
DCS接收到現(xiàn)場二線制壓力變送器信號不穩(wěn)定的原因已經(jīng)接介紹完了,RAC3.5-150-460-A00-Z1-220現(xiàn)在大家對于DCS有了一個認識一下對于它的接線又有了一個更加深入的了解,以后在壓力變送器不穩(wěn)定時可以快速的處理。
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